1/2 Brief Specification Mobile HDD (2.5-type) MK1234GSX / MK1034GSX / MK8034GSX / MK6034GSX / MK4034GSX ITEM MK1234GSX MK1034GSX MK8034GSX ATA7 / Serial ATA 1.0a / ATA7 / Serial ATA 1.0a / ATA7 / Serial ATA 1.0a / Serial ATA II 1.2 150Mb/s Serial ATA II 1.2 150Mb/s Serial ATA II 1.2 150Mb/s Formatted Capacity Number of data heads Number of disks 120GB 4 2 100GB 4 2 80GB 3 2 Number of User data cylinders Bytes per sector (HOST) 79,056 512 69,336 512 74,520 512 512 234,441,648 512 195,371,568 512 156,301,488 Basic specification Interface Interface speed Bytes per sector (DISK) Logical Blocks (LBA) Maximum areal density Environmental compliance 161.3Mbit/mm2 (104.0Gbit/in2) 131.6Mbit/mm2 (84.9Gbit/in2) RoHS compliant RoHS compliant 141.4Mbit/mm2 (91.2Gbit/in2) RoHS compliant Performance Buffer size 8MB 8MB 8MB 5,400rpm 5.55 ms 245 to 475 Mb/s (typ.) 12ms 2ms 22ms 5,400rpm 5.55 ms 220 to 466 Mb/s (typ.) 12ms 2ms 22ms 5,400rpm 5.55 ms 220 to 466 Mb/s (typ.) 12ms 2ms 22ms 600,000 times 600,000 times 600,000 times 13 1/10 bit read 1/1013 bit read 1/1013 bit read 5 V ±5% 5 V ±5% 5 V ±5% Start Seek Read/Write Low power Idle Stand-by 4.5W (max.) 2.5W (typ.) 2.0W (typ.) 0.80W (typ.) 0.25W (typ.) 4.5W (max.) 2.5W (typ.) 2.0W (typ.) 0.80W (typ.) 0.25W (typ.) 4.5W (max.) 2.5W (typ.) 2.0W (typ.) 0.80W (typ.) 0.25W (typ.) Sleep Energy Consumption Efficiency /Category name 0.15W (typ.) 0.0067 e 0.15W (typ.) 0.0080 e 0.15W (typ.) 0.010 e Height Width Depth 9.5mm 69.85mm 100.0mm 9.5mm 69.85mm 100.0mm 9.5mm 69.85mm 100.0mm Weight 101g (typ.) 101g (typ.) 101g (typ.) Operating Non-Operating 5 to 55°C -20 to 60°C 5 to 55°C -20 to 60°C 5 to 55°C -20 to 60°C Shipping -40 to 70°C -40 to 70°C -40 to 70°C 2 9.8m/s (1.0G) 2 49m/s (5.0G) 3,185m/s2 (325G) (2ms half sine) 9.8m/s2 (1.0G) 9.8m/s2 (1.0G) 49m/s (5.0G) 3,185m/s2 (325G) (2ms half sine) 2 49m/s (5.0G) 3,185m/s2 (325G) (2ms half sine) 8,330m/s2 (850G) (1ms half sine) 8,330m/s2 (850G) (1ms half sine) 8,330m/s2 (850G) (1ms half sine) Rotation speed Average Latency time Internal transfer rate Average seek time Track to track seek time Max. seek time Reliability Load/Unload Error rate non-recoverable Supply Voltage Allowable Voltage Power consumption Dimension Temperature Vibration/Shock Vibration (op) Vibration (non-op) Shock (op) Shock (non-op) 2 Acoustics Idle (ave.) 25dBA 25dBA 25dBA Seek (ave.) 27dBA 27dBA 27dBA *Energy Consumption Efficiency: Energy consumption efficiency is calculated based on power consumption divided by formatted capacity, as defined by Japanese law. *Energy Consumption Efficiency Category name is based on the Standards of Judgment for Factories etc. on the Low Concerning the Rational Use of Energy in Japan, as of FY2007. *Definition of Capacity: TOSHIBA defines a megabyte(MB) as 1,000,000bytes, and a gigabyte(GB) as 1,000,000,000 bytes. 2/2 ITEM MK6034GSX MK4034GSX ATA7 / Serial ATA 1.0a / Serial ATA II 1.2 150Mb/s 60GB 2 1 79,056 512 512 117,210,240 ATA7 / Serial ATA 1.0a / Serial ATA II 1.2 150Mb/s 40GB 2 1 60,912 512 512 78,140,160 Basic specification Interface Interface speed Formatted Capacity Number of data heads Number of disks Number of User data cylinders Bytes per sector (HOST) Bytes per sector (DISK) Logical Blocks (LBA) Maximum areal density Environmental compliance 2 2 2 2 161.3Mbit/mm (104.0Gbit/in ) RoHS compliant 104.6Mbit/mm (67.4Gbit/in ) RoHS compliant 8MB 5,400rpm 5.55 ms 245 to 475 Mb/s (typ.) 12ms 2ms 22ms 8MB 5,400rpm 5.55 ms 199 to 434 Mb/s (typ.) 12ms 2ms 22ms 600,000 times 600,000 times 13 1/10 bit read 1/1013 bit read 5 V ±5% 5 V ±5% 4.5W (max.) 2.4W (typ.) 2.0W (typ.) 0.75W (typ.) 0.25W (typ.) 0.15W (typ.) 0.0125 d 4.5W (max.) 2.4W (typ.) 2.0W (typ.) 0.75W (typ.) 0.25W (typ.) 0.15W (typ.) 0.0188 d 9.5mm 69.85mm 100.0mm 97g (typ.) 9.5mm 69.85mm 100.0mm 97g (typ.) 5 to 55°C -20 to 60°C -40 to 70°C 5 to 55°C -20 to 60°C -40 to 70°C 2 9.8m/s (1.0G) 2 49m/s (5.0G) 2 3,185m/s (325G) (2ms half sine) 9.8m/s2 (1.0G) 49m/s2 (5.0G) 3,185m/s2 (325G) (2ms half sine) Performance Buffer size Rotation speed Average Latency time Internal transfer rate Average seek time Track to track seek time Max. seek time Reliability Load/Unload Error rate non-recoverable Supply Voltage Allowable Voltage Power consumption Start Seek Read/Write Low power Idle Stand-by Sleep Energy Consumption Efficiency /Category name Dimension Height Width Depth Weight Temperature Operating Non-Operating Shipping Vibration/Shock Vibration (op) Vibration (non-op) Shock (op) Shock (non-op) 2 8,330m/s (850G) (1ms half sine) 8,330m/s2 (850G) (1ms half sine) Acoustics Idle (ave.) 21dBA 21dBA Seek (ave.) 25dBA 25dBA *Energy Consumption Efficiency: Energy consumption efficiency is calculated based on power consumption divided by formatted capacity, as defined by Japanese law. *Energy Consumption Efficiency Category name is based on the Standards of Judgment for Factories etc. on the Low Concerning the Rational Use of Energy in Japan, as of FY2007. *Definition of Capacity: TOSHIBA defines a megabyte(MB) as 1,000,000bytes, and a gigabyte(GB) as 1,000,000,000 bytes.