Brief Specification Mobile HDD (1.8-type) MK8025GAL ITEM MK8025GAL 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 ATA-3 / ATA-4 / ATA-5 / ATA-6 / ATA-7 100MB/s 80GB 2 1 88,920 512 512 156,301,488 2 2 379.1Mbit/mm (244.6Gbit/in ) RoHS compliant Performance Buffer size Rotation speed Average Latency time Internal transfer rate Average seek time Track to track seek time Max. seek time 8MB 4,200rpm 7.14 ms 213.9 to 463.3 Mb/s (typ.) 15ms 3ms 26ms Reliability Load/Unload Error rate non-recoverable 600,000 times 13 1/10 bit read Supply Voltage Allowable Voltage 3.3 V ±5% Power consumption Start Seek Read/Write Low power Idle Stand-by Sleep Energy Consumption Efficiency /Category name 1.8W (max.) 1.1W (typ.) 1.0W (typ.) 0.3W (typ.) 0.12W (typ.) 0.07W (typ.) 0.00375 g Dimension Height Width Depth Weight 5.0mm 54.0mm 71mm 45g (max.) Temperature Operating Non-Operating Shipping 5 to 60°C -20 to 65°C -40 to 70°C Vibration/Shock Vibration (op) Vibration (non-op) Shock (op) Shock (non-op) 2 19.6m/s (2.0G) 2 49m/s (5.0G) 4,900m/s2 (500G) (2ms half sine) 14,700m/s2 (1500G) (1ms half sine) Acoustics Idle (ave.) 14dB 20dB Seek (ave.) *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.