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Internal Hard Drives

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HGST Ultrastat 7K4000 2TB SAS HUS724020ALS640 (HUS724020ALS640)

HGST Ultrastat 7K4000 2TB SAS HUS724020ALS640 (HUS724020ALS640)

SKU: HUS724020ALS640

Ultrastar 7K4000

HGST Ultrastar™ 7K4000 is the world’s first 4TB 7200 RPM hard drive with a 2.0 million hours MTBF specification and backed by a full 5-year warranty, originally offered with SATA 6Gb/s and now also available with a SAS interface. Ultrastar 7K4000 represents the sixth-generation HGST 5-platter design, which has been field proven by top server and storage OEMs and Internet giants. Engineered for the highest quality, the Ultrastar 7K4000 is put through grueling design tests during development and must pass stringent ongoing reliability testing during manufacturing. Ultrastar 7K4000 delivers by reducing downtime, eliminating service calls and minimizing TCO.

Model(s) HUS724040ALE640 // HUS724040ALA640
HUS724040ALE641 // HUS724040ALA641
HUS724030ALE640 // HUS724030ALA640
HUS724030ALE641 // HUS724030ALA641
HUS724020ALE640 // HUS724020ALA640
HUS724020ALE641 // HUS724020ALA641
Interface SATA 6Gb/s SAS 6Gb/s
Capacity (GB) 4TB / 3TB / 2TB
Sector size (variable, Bytes/sector) 512e / 512n 512 / 520 / 528
Max areal density (Gbits/sq. in.) 446 // 475 475
Data buffer (MB) 64
Rotational Speed (RPM) 7200
Interface transfer rate (MB/sec, max) 600
Sustained transfer rate (MB/sec, typ.) 171 //181 172
Seek Time (read, ms, typical) 8.0
Error Rate (non-recoverable, bits read) 1 in 1015
MTBF (M hours) 2.0
Load/Unload Cycles 600,000
Availability (hrs/day x days/wk) 24x7
Idle (Bels) 2.9
Requirement +5 VDC(+/-5%) +12 VDC (+10%/-8%)
Requirement: Start-up (W, peak, max) 1.2A (+5V), 2.0A (+12V)
Requirement: Read/Write (W, avg) 11.4 10.9
Unload idle (W) 5.7 6.2
Physical size
Z-height (mm) 26
Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147
Weight (g, max) 690
Environmental (operating)
Ambient temperature 5º to 60º C
Shock (half-sine wave) 70
Vibration (5 to 500 Hz) 0.67 (XYZ)
Environmental (non-operating)
Ambient temperature -40º to 70º C
Shock (half-sine wave) 300
Vibration (5 to 500 Hz) 1.04 (XYZ)

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