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Wednesday, December 12, 2012
Toshiba Starts Sampling 4TB Enterprise Hard Disks

Toshiba today announced that samples of two new large capacity nearline hard disk drives (HDDs) are available now.

The 3.5-inch 7,200 rpm MG Series includes both SATA and SAS versions, "MG03ACA400" and "MG03SCA400" respectively, that deliver 4TB of storage, the largest capacity yet offered by Toshiba. The company is also offering samples of lower capacity models in each series.

Both the MG03SCA400 series and MG03ACA400 series support a sanitize overwrite function that allows IT administrators to write a predetermined data pattern across the entire user storage area on the disk, effectively erasing all previously written data. The sanitize overwrite operation can be performed before re-allocation, redeployment or retirement of the storage device.

Models MG03SCA400 MG03ACA400
Basic specification
Interface SAS-2.0 (1.5 Gbps, 3.0 Gbps, 6.0 Gbps) SATA 6 Gbps
Capacity 4 TB
Environmental compliance RoHS compatible
Buffer size 64 MiB FIFO ring buffer
Rotation speed 7,200rpm
Average Latency time 4.17 ms
Average seek time (read) 8.5 ms
Average seek time (write) 9.5 ms
Sustained transfer rate (Max.) 165 MB/s
Load/Unload 600,000 times
MTTF 1,200,000 hours
Operating condition 24 hours/day, 7days/week
Supply Voltage
Allowable voltage 5 V ± 5%, 12 V ± 5%
Power consumption
Read/Write 11.3 W
Low Power Idle 6.0 W
Energy Consumption Efficiency/Category name 0.0015/C
Height 26.1 mm
Width 101.6 mm
Depth 147 mm
Weight 720g (Max.)
Operating 5 to 55℃
Non-Operating -40 to 70℃
Vibration resistance (op) 7.35 m/s2 [0.75G, 5 to 300 Hz]
2.45 m/s2 [0.25G, 300 to 500 Hz]
Vibration resistance (non-op) 49 m/s2 [5G, 5 to 500 Hz]
Shock (Op.) 686 m/s2 [70G, 2 ms duration]
Shock (non-Op.) 2,940 m/s2 [300G, 2 ms duration]
Acoustics 31dB
Sanitize Over Write

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