M Series Disk Array NEC Storage Series March 2012 Main Software for NEC Storage M Series Category Software Product Name Device management Storage management M100 M500 *1 *1 Basic functions to enable integrated storage operations management NEC Storage Manager Integration Base *1 *1 Functions to achieve integrated storage operations by in collaboration with SigmaSystemCenter NEC Storage Manager Suite Replication management Storage control NEC Storage PerformanceNavigator Package product including both NEC Storage Manager and NEC Storage Manager Integration Base Functions to monitor storage performance in real-time and accumulate monitoring data Functions to streamline the analysis of storage performance data NEC Storage PerformanceMonitor Suite Package product including both NEC Storage PerformanceMonitor and NEC Storage PerformanceNavigator NEC Storage PerformanceMonitor Performance management Storage control Disaster recovery Functions to simplify the procedures for constructing a backup system of databases, file servers, and virtual machines. NEC Storage ReplicationNavigator Suite NEC Storage BaseProduct NEC Storage Manager Express NEC Storage ControlCommand NEC Storage DynamicDataReplication Replication Basic functions to control storage 2 * 1 * * Basic functions to enable storage operations management CLI functions to perform operations such as replication and data protection on an application server ** Functions to create a fully replicated volume in the same storage unit 3 Functions to create a fully replicated volume in a remote storage unit. NEC Storage RemoteDataReplication * NEC Storage RemoteDataReplication Asynchronous *3 NEC Storage DynamicSnapVolume *3*5 Functions to asynchronously create a fully replicated volume in a remote store unit by using a low-speed line *5 *5 Option to enable non-disruptive backup of Microsoft SQL Server NEC Storage ReplicationControl FileSystem Option NEC Storage RemoteDataReplication/DisasterRecovery*6 Option to enable non-disruptive backup of file systems. M Series Disk Array Functions to perform the remote replication essential for a disaster prevention and response system *6 *6 Functions to divide storage resources and manage the divided storage resources as virtual storage. Functions to enhance the capacity usage efficiency by setting the virtual logical capacity and reducing the physical capacity to be allocated Functions to reduce the power consumption of a storage unit by controlling the running and stopping of a HDD NEC Storage ThinProvisioning *2 *1 *1 NEC Storage StoragePowerConserver *2 *1 *1 Functions to optimize performance by distributing the volume load and changing physical volume allocations without stopping jobs NEC Storage PerforOptimizer *7 Functions to use a SSD as cache memory Functions to migrate data from an existing storage unit to a new one Functions to protect data from tampering and guarantee data integrity for each volume NEC Storage DataMigration NEC Storage VolumeProtect NEC Storage PathManager SAN Storage Product Family Functions to create a differential replicated volume NEC Storage ReplicationControl SQL Option NEC Storage PerforCache*6 High availability 1 3 4 NEC Storage VirtualCachePartitioning Resource control Description M300 NEC Storage Manager 2 * Functions to automatically switch paths and distribute the I/O loads. *1: Bundled with NEC Storage BaseProduct. *2: Bundled with M100. *3: Not supported by a single controller model. *4: NEC Storage DynamicDataReplication Express is bundled for M100. *5: Bundled with NEC Storage DynamicDataReplication *6: Planned for support in the second quarter of CY2012. *7: Planned for support in the third quarter of CY2012. Environmental compliance M100 M300 The New SAN. The Next Generation of Storage. M500 Eco Symbol Star The Eco Symbol Star is a label placed on innovative, environment-friendly products that satisfy the qualification standards as a leading product within NEC and the industry. Eco Symbol The Eco Symbol is a label placed on products that meet NEC prescribed environmental soundness standards. Eco Symbol products must be environmentally superior and assure transparency. RoHS Compliance This product complies with the European Union directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS). Microsoft and Windows are trademarks or registered trademarks of Microsoft Corporation in the United States and other countries. Linux is a trademark or registered trademark of Linus Torvalds in the United States and other countries. Red Hat is a trademark or registered trademark of Red Hat, Inc in the United States and other countries. VMware is a trademark or registered trademark of VMware, Inc. in the United States and other countries. All other products, brands, and trade names used in this document are trademarks or registered trademarks of their respective holders. Safety notice * Only M100 is eligible. Before you use this product, please read carefully and comply with the cautions and warnings in manuals such as User’s Guide and Installation Guide. Incorrect use may cause a fire, electrical shock or injury. For further information, please contact: Specifications and designs in this catalog are subject to change for improvement without notice. NEC Corporation As of March 2012 Cat.No.E99-12030003E http://www.necstorage.com M Series Disk Array NEC Storage M Series, the new SAN storage infrastructure. Awakening the true potential of storage units in IT environments of the future. Demands on Storage Units Reduce the workload required for storage management by using virtualization technology Efficiently manage data according to its usage frequency Dramatically reduce the power consumption of storage units for environmental conservation and power saving Ensure the continuous operations in the face of unforeseen failures Reduce the cost of storing ever-increasing data at businesses Improve the operating efficiency by integrating a server virtualization environment Construct a disaster response site to prepare for earthquakes and fires Improve problematic backup systems High performance model Basic model Entry model M100 M M 8 ports Max. (FC/iSCSI/SAS) Max. 96 HDDs High Performance & High Availability M500 M300 Max. 8 ports (FC/iSCSI/SAS) Max. 144 HDDs Max. 16 ports Max. 384 HDDs High Performance & High Availability Advanced Eco-friendly Function M Series Easy Installation & Operation IT Cost Optimization M Series ensures the protection of data at businesses and provides high performance and high availability to support high-speed access. High-speed components and interfaces such as SSD are supported. Data can automatically be allocated to a suitable device according to its access frequency. Main components are made redundant and protected. Original high availability technologies such as Super Phoenix technology are adopted. Superior security functions such as self-encrypting drives are supported. Easy Installation & Operation M Series reduces the workload of managing storage by offering autonomous operations utilizing virtualization technologies and easy-to-use GUI. The advanced dynamic pool enables the expansion of capacity and performance without stopping operations. Thin provisioning optimally allocates storage capacity in a virtual environment. A backup site can be easily and economically constructed by using an iSCSI interface. Data can be migrated and moved between storage units without using an FC switch. The user-friendly GUI makes storage management and operation easy. Advanced Eco-friendly Function M Series promotes environmental conservation by actively adopting eco-friendly components that save power. High Performance model M500 Disk Array UUpp to 384 HDDs (SAS, Nearline SAS, and SSD) can be installed. 1 8-Gbps FC ports, 8 1-Gbps iSCSI ports, and 8 10-Gbps iSCSI ports 16 RAID-0, 1, 5, 6, 10, 50, 60, TM (triple mirror) Su SSupports * The front bezel is available for separate purchase. 1 The eco-friendly design employs the 80PLUS® PLATINUM (for M500) or 80PLUS® GOLD (for M100 and M300) certified high-efficiency power supplies as well as low-power processors. M Series can be used even in 40°C(104°F) environments, contributing to a reduced electricity cost. Power consumption is reduced by providing a visualization of the power consumption and implementing the autonomous MAID function. IT Cost Optimization M Series contributes to the reduction of TCO by optimizing the investment cost and making daily operations highly efficient. Devices (SAS, nearline SAS, and SSD) and interfaces (FC, iSCSI, and SAS) can be selected according to your purpose, optimizing the investment cost. The management software is bundled with M100. The management workload can be reduced with virtualized system operations. 2 M Series Disk Array Innovate virtualization with NEC Storage M Series Automatically allocating data to a suitable device according to access frequency M Series enables the creation of layers of different types of devices such as SSD that allows high-speed data access, high-performance Innovate business continuity with NEC Storage M Series Application server Enables the migration of data between storage units Application server (transferring from an existing storage unit) The data migration function responds to requests to move data from Automatically allocating the stored data to a suitable device according to access frequency not support RDR, data can be moved economically without using an Existing disk array NEC Storage M Series High High SSD pool Cost Performance SAS pool Low Low M100 M300 Migrates data by copying the data from one storage unit to another SAN FC switch or other hardware. stored data is automatically re-allocated in suitable storage layers by SSD pool and infrequently accessed data is moved to a nearline SAS Source an existing storage unit to the M Series unit. Even when models do SAS HDD, and high-capacity and low bit-cost nearline SAS HDD. The routine monitoring so that frequently accessed data is moved to a Migrate data between storage units M500 Application server Destination pool. This maximizes storage performance and optimizes the investment cost of the storage units. M300 Nearline SAS pool M Series M500 SSD L2 cache & persistent write, ensuring stable, high-speed performance RAID protects against double failures, handling increasing data capacities Application server The HDD capacity is becoming larger as business information rapidly increases. There is also a risk of data loss because the second HDD can M Series was developed to achieve higher levels of performance through utilization of SSD. The throughput of frequently accessed Write data was improved to remove hot spots by using SSD, which has a Controller fail while recovering a damaged HDD. M Series supports the NEC original RAID triple mirror feature that achieves the high-speed performance read of RAID-1 and the reliability of RAID-6 in addition to the double parity configuration of RAID-6, responding to demands for both large capacities NEC Storage M Series Controller and high reliability. M Series can maintain its performance during failures with its design that duplicates main components, establishing a level readout performance of superior speed, as an L2 cache. In addition, of reliability equivalent to high-end models of storage units. a persistent write cache can continue FastWrite operations by storing redundant data in SSD when an error occurs in one controller. *The SSD L2 cache function is planned for support in the second quarter of CY2012. M300 SSD Persistent write SSD L2 cache Continuing FastWrite operations by maintaining redundant data when an error occurs in one controller M100 M300 M500 Removing hot spots by storing frequently accessed data in a SSD M500 Advanced dynamic pool, expanding the capacity and performance simply by adding HDD Storage performance HDD Number of HDDs Innovate interoperability with NEC Storage M Series 30 Add an HDD The flexibility to respond to a sudden increase in data is vital in this age of HDD constant change. NEC Storage M Series offers an advanced dynamic pool 20 Add an HDD that NEC recently developed by elevating the level of existing virtual pools. The advanced dynamic pool enables the automatic increase in pool capacity 10 during capacity shortages simply by adding HDD, and improved performance M300 The storage capacity, disk load, and operational status of each component, such as a connected server, can be checked in a visual Workload of the entire pool by automatically optimizing data allocation to distribute data. M100 Intuitive GUI allows even first-time users to easily manage the storage unit web browser window. Navigation windows show the methods for M500 specifying the replication settings, changing the capacity, and responding to failures. The easy-to-understand GUI environment Thin provisioning, optimally allocating storage capacity in a virtualized environment Capacity recognized as LUN:10TB eliminates errors during operation. Application server M100 The thin provisioning feature virtually allocates the capacity of a physical volume to a logical volume and adds HDD when the capacity of physical volume is insufficient. The storage usage is maximized because you can minimize the difference between the used space and the physical volume Add hard disk drives as required capacity. The initial investment cost and power consumption can also be reduced. In addition, it is not necessary to stop operations or adjust a schedule Assign actual capacity when data is written Logical disk HDD Virtual capacity:10TB Storage Manager Actual capacity:5TB HDD HDD HDD HDD Threshold Free:10TB value: 13TB Used:5TB M300 M500 iSCSI RDR economically counters disaster through remote replication Management server to change the capacity because HDD can be added without stopping jobs. M100 M300 Assignment history accumulation and analysis Pool capacity: 15TB Advanced dynamic pool HDD Assigned capacity monitoring M500 Main site Backup site Low-cost remote replication without an FC-IP converter Constructing a backup site to protect valuable data against disasters such as earthquakes and fires can cost a great deal of money and resources. With M Series, an IP line is used with iSCSI, making an FC or iSCSI Improving the operating efficiency of a server virtualization environment by integrating with a VMware environment Public line iSCSI FC or iSCSI cost-efficient disaster prevention and response measures. In addition, M Series supports VMware vStorage APIs for Array Integration (VAAI), a storage API provided by VMware, Inc. By incorporating this API, operations low-cost operation is possible due to a reduction of line cost. that were processed on a server in the past can be processed on the M Series product itself. These operations include the replication and migration *This function is planned for support in the second quarter of CY2012. of virtual machines, initialization of new virtual machines, and exclusive control of storage areas. Performing these operations without a server iSCSI FC-IP converter unnecessary and enabling the development of M100 M300 M500 DDR Master RDR Replica M Series DDR Replica Replica M Series reduces server loads, enhances the operational efficiency of the entire virtualization environment, and increases overall performance. M100 3 M300 M500 4 M Series Disk Array Green innovation with NEC Storage M Series Entry model Basic model High performance model Reducing power consumption with advanced power saving technology To offer top-class eco-friendly storage units, NEC has developed M Series by applying advanced energy saving technology so that its power consumption is significantly less than previous models. It promotes power saving of the High performance and high availability, Meeting the latest storage needs such as virtualization, High performance and high availability model, achieving high cost performance and a variety of storage features energy efficiency, high interoperability and security empowering server integration and other virtualization environments M100 Disk Array M300 Disk Array M500 Disk Array entire storage unit by incorporating a low-power processor as its CPU and enabling autonomous control. For the power supply, M Series employs the 80PLUS PLATINUM (for M500)* or 80PLUS GOLD (for M100 and M300) certified high-efficiency power supplies. In addition, M Series incorporates as many power saving components as M100 Disk Array Model*1 possible, and achieves a significant reduction in the total number of components. M Series can be used in 40°C M100 Disk Array Supporting 3.5" Drive (104°F) environments, reducing the power consumed by air conditioning. Rack mount configuration *The disk enclosures employ 80 PLUS GOLD certified power supplies. Host interface Number of ports*1 M100 M300 Realizing low-power operations by visualization of power consumption and autonomous device control environment can be managed with real-time visualizations. In addition, components such as CPU, fan and HDD can autonomously control power consumption based on storage unit usage, Energy efficient as much as possible when the storage unit is idle. M300 Visualization of power consumption Energy efficient operation by autonomous control Reduce power consumption depending on usage Autonomous control I/O count operations are promoted by reducing unnecessary power consumption Installed capacity Backup method RAID levels*2 Power consumption(kwh) The power consumption of all M Series units in the same infrastructure M100 Cache memory M500 Disk interface Type, SAS HDD capacity, Nearline SAS HDD and SAS SSD rotation speed Encryption SAS HDD SAS HDD Nearline SAS HDD Capacity*3 (Maximum) SAS SSD Encryption SAS HDD Number of drives to be installed*4 Supported OS*5 Disk array controller (U count) Dimensions (W x D x H) Disk enclosure (U count) Disk array controller Weight Disk enclosure Input voltage Disk array SAS HDD 5 Nearline SAS HDD Power consumption controller* (Maximum/at 25°C) Disk SAS HDD enclosure Nearline SAS HDD Temperature Ambient conditions Humidity Disk drive specifications Model*1 Application server In use Copying The larger the system is, the more power is consumed and the more the running cost is increased. M Series adopts MAID (Massive Array In use Stopped of Inactive Disks) technology to promote energy efficiency. For Business volume Backup volume example, by managing a job schedule in pool units with dedicated software, the motor of a backup disk drive that is not being used is M Series When MAID technology has been adopted Backup job Time power than previous NEC Storage models. ON Business volume M100 M300 Slots in a chassis; disk array controller (3.5"): 12, disk enclosure (3.5"): 12, disk enclosure (2.5"): 24 Slots in a chassis; disk array controller (2.5"): 24, disk enclosure (2.5"): 24, disk enclosure (3.5"): 12 Fibre channel (8 Gbps), iSCSI (1 Gbps or 10 Gbps), SAS (6 Gbps) FC: 4 or 8, SAS: 8, iSCSI: 4 8 GB Save to flash memory RAID-0, 1, 5, 6, 10, 50 60, TM SAS (6 Gbps) 3.5" 300 GB, 450 GB, 600 GB (15,000 rpm) 2.5" 300 GB, 450 GB, 600 GB, 900 GB (10,000 rpm) 2.5" 1 TB (7,200 rpm) 3.5" 1 TB, 2 TB, 3 TB*7 (7,200 rpm) 3.5" 400 GB 2.5" 100 GB 3.5" 600 GB (15,000 rpm) 2.5" 600 GB (10,000 rpm) 44.5 TB 68.0 TB 226.5 TB 76.1 TB 3.4 TB 836 GB 44.5 TB 44.5 TB 3 to 96 Windows, Linux, VMware 482 x 513.2 x 87.8 mm (2U, without the front bezel)/482 x 545.2 x 87.8 mm (2U, with the front bezel)*7 482 x 513.2 x 87.8 mm (2U, without the front bezel)/482 x 545.2 x 87.8 mm (2U, with the front bezel)*7 31 kg or less 29 kg or less 100 to 240 VAC single phase 50/60 Hz 485 W / 400 W 485 W / 395 W 420 W / 335 W 450 W / 365 W 315 W / 265 W 310 W / 260 W 250 W / 200 W 275 W / 225 W 5 to 40°C (41 to 104°F) (when operating), -10 to 60°C (14 to 140°F) (when non-operating) 10 to 80%RH (when operating), 5 to 80%RH (when non-operating) M300 Disk Array Supporting 3.5" Drive Rack mount configuration turned off to save power. M Series can now use up to 30% less M100 Disk Array Supporting 2.5" Drive The following can be connected to a disk array controller: Up to 7 2.5" type and 3.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 96 or less. M300 Disk Array M500 Saving power resources with the autonomous MAID function The following can be connected to a disk array controller: Up to 7 3.5" type and 2.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 96 or less. M500 Backup volume OFF ON OFF Host interface Number of host ports Installed capacity Cache memory Backup method RAID levels*2 Disk interface Type, SAS HDD Disk drive capacity, Nearline SAS HDD specifications. and SAS SSD rotation speed Encryption SAS HDD SAS HDD 3 Nearline SAS HDD Capacity* (Maximum) SAS SSD Encryption SAS HDD Number of drives to be installed*4 Supported OS*5 Disk array controller (U count) Dimensions (W x D xH) Disk enclosure (U count) Disk array controller Weight Disk enclosure Input voltage Disk array SAS HDD Nearline SAS HDD Power consumption controller (Maximum/at 25°C) Disk SAS HDD enclosure Nearline SAS HDD Temperature Ambient conditions Humidity The following can be connected to a disk array controller: Up to 7 3.5" type and 2.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 144 or less. M300 Disk Array Supporting 2.5" Drive The following can be connected toa disk array controller: Up to 7 2.5" type and 3.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 144 or less. Slots in a chassis; disk array controller (3.5"): 12, disk enclosure (3.5"): 12, disk enclosure (2.5"): 24 Slots in a chassis; disk array controller (2.5"): 24, disk enclosure (2.5"): 24, disk enclosure (3.5"): 12 Fibre Channel (8 Gbps), iSCSI (1 Gbps or 10 Gbps), SAS (6 Gbps)*8 FC: 4 or 8, SAS: 8, iSCSI: 4 8 GB or 16 GB Save to flash memory RAID-0, 1, 5, 6, 10, 50 60, TM SAS (6 Gbps) 3.5" 300 GB, 450 GB, 600 GB (15,000 rpm) 2.5" 300 GB, 450 GB, 600 GB, 900 GB (10,000 rpm) 2.5" 1 TB (7,200 rpm) 3.5" 1 TB, 2 TB, 3 TB*7 (7,200 rpm) 3.5" 400 GB 2.5" 100 GB 3.5" 600 GB (15,000 rpm) 2.5" 600 GB (10,000 rpm) 44.5 TB 102.0 TB 226.5 TB 114.2 TB 3.4 TB 836 GB 44.5 TB 66.7 TB 3 to 96 (3.5" HDD), 3 to 144 (2.5" HDD) Windows, Linux, VMware, HP-UX, AIX, Solaris 482 x 513.2 x 87.8 mm (2U, without the front bezel)/482 x 545.2 x 87.8 mm (2U, with the front bezel)*6 482 x 513.2 x 87.8 mm (2U, without the front bezel)/482 x 545.2 x 87.8 mm (2U, with the front bezel)*6 31 kg or less 29 kg or less 100 to 240 VAC single phase 50/60 Hz 510 W / 420 W 505 W / 420 W 445 W / 360 W 470 W / 385 W 315 W / 265 W 310 W / 260 W 250 W / 200 W 275 W / 225 W 5 to 40°C (41 to 104°F) (when operating), -10 to 60°C (14 to 140°F) (when non-operating) 10 to 80%RH (when operating), 5 to 80%RH (when non-operating) M500 Disk Array Model*1 Innovate security with NEC Storage M Series Rack mount configuration Host interface Number of ports Cache memory RAID levels*2 Advanced security functions such as data encryption and personal information leakage prevention Application server Data to be written to or read from the HDD is not encrypted. Since there is no overhead due to data encryption, performance does not degrade. Data recorded in an encryption HDD is encrypted. Authentication key The security of storage units that store confidential business data is always threatened. M Series uses a Self-encrypting drive (SED) to Read & write encrypt data in the HDD. This function prevents data leakage when Register authentication key the HDD is inappropriately removed, lost, stolen, or damaged. Furthermore, M Series features a variety of security functions, M500 Disk Array Supporting 3.5" Drive NEC Storage Manager Authentication Even if the HDD is removed without permission, the data in the HDD cannot be accessed without the correct authentication key. Since data in the HDD is encrypted, it is not possible to decrypt it. Installed capacity Backup method Disk interface Type, SAS HDD capacity, Nearline SAS HDD and SAS SSD rotation speed Encryption SAS HDD SAS HDD Nearline SAS HDD Capacity*3 (Maximum) SAS SSD Encryption SAS HDD Number of drives to be installed*4 Supported OS*5 Disk array controller (U count) Dimensions (W x D xH) Disk enclosure (U count) Disk array controller Weight Disk enclosure Input voltage Power consumption Disk array controller (maximum)*5 Disk enclosure Temperature Ambient conditions Humidity Disk drive specifications The following can be connected to a disk array controller: Up to 32 3.5" type and 2.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 384 or less. M500 Disk Array Supporting 2.5" Drive The following can be connected to a disk array controller: Up to 32 2.5" type and 3.5" type disk enclosures can be connected to the disk array controller under the condition that the total number of slots is 384 or less. Slots in a chassis; disk enclosure (3.5"): 12, disk enclosure (2.5"): 24 Slots in a chassis; disk enclosure (2.5"): 24, disk enclosure (3.5"): 12 Fibre Channel (8 Gbps), iSCSI (1 Gbps or 10 Gbps) FC: 4 or 8, SAS: 8, iSCSI: 4 12 GB, 24 GB or 48 GB Save to flash memory RAID-0, 1, 5, 6, 10, 50 60, TM SAS (6 Gbps) 3.5" 300 GB, 450 GB, 600 GB (15,000 rpm) 2.5" 300 GB, 450 GB, 600 GB, 900 GB (10,000 rpm) 2.5" 1 TB (7,200 rpm) 3.5" 1 TB, 2 TB, 3 TB*7 (7,200 rpm) 3.5" 400 GB 2.5" 100 GB 2.5" 600 GB (10,000 rpm) 3.5" 600 GB (15,000 rpm) 178.0 TB 272.0 TB 906.1 TB 304.6 TB 3.4 TB 836 GB 178 TB 178.0 TB 3 to 384 Windows, Linux, VMware, HP-UX, AIX, Solaris 482 x 600 x 175.6 mm (4U, without the front bezel)/482 x 632 x 175.6 mm (4U, with the front bezel)*6 482 x 513.2 x 87.8 mm (2U, without the front bezel)/482 x 545.2 x 87.8 mm (2U, with the front bezel)*6 48 kg or less 29 kg or less 100 to 240 VAC single phase 50/60 Hz 610 W 610 W 315 W 310 W 5 to 40°C (41 to 104°F) (when operating), -10 to 60°C (14 to 140°F) (when non-operating) 10 to 80%RH (when operating), 5 to 80%RH (when non-operating) including restrictions on access to logical disks, audit of logs and other records, and prevention of erroneous operations. M100 M300 M500 Prevents data from being accessed if the authentication key does not match XXXXXX XXXXXX Encryption HDD Encryption HDD Encryption HDD Removing the HDD without permission 5 *1: Dual controller model and single controller model are available. Single controller model supports four FC or SAS ports, two iSCSI ports, and cache memory of 4 GB. *2: Since RAID-0 does not have redundancy, data is lost if an error occurs in a single drive. Therefore, it is strongly recommended to use a RAID level having redundancy. Also, please contact NEC before using RAID-0. In the case of SSD, only RAID-1, 5, 10, 50 are available. *3: Calculated where 1 GB = 10243 bytes and 1 TB = 10244 bytes. *4: Up to 12 SSDs can be installed. *5: For the described operating systems, there are restrictions on disk devices to be connected. For details, please contact NEC. *6: The front bezel is available for separate purchase. *7: 3TB HDD is planned to be available in the second quarter of CY2012. 6