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HGST Hitachi Ultrastar 7K4000 3.5" 4TB SAS 24x7 Enterprise Hard Drive


Availability: Available for order, Usually ships within 2 to 5 business days.

• HGST Ultrastar™ 7K4000 is 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.
• Interface SAS, Capacity 4TB, 24x7, 5 Year Warranty

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Manufacturer Number0B26885
Interface SAS 6Gb/s
Capacity 4TB
Form factor 3.5-inch
Max. areal density (Gbits/sq. in) 475
Data buffer (MB) 64
Rotational speed (RPM) 7200
Interface transfer rate (MB/s, max) 600
Sustained transfer rate (MB/s, typical) 183
Seek time (read, ms, typical) 8.0
Error rate (non-recoverable, bits read) 1 in 10
Load/Unload cycles (at 40° C) 600,000
Availability (hrs/day x days/wk) 24x7
MTBF (M hours) 2.0
Idle (Bels, typical) 2.9
Requirement +5 VDC (+/-5%)
+12VDC (+10%/-8%)
Startup current (A, max) 1.2 (+5V), 2.0 (+12V) f
Read/write (W) 10.9
Idle (W, avg) 7.6
Unload idle (W) 6.2
Physical size
z-height (mm, max) 26.1
Dimensions (width x depth, mm) 101.6 (+/-0.25) x 147
Weight (g, typical) 690
Environmental (operating)
Ambient temperature 5 to 60C
Shock (half-sine wave 2 ms, G) 70
Vibration (G RMS, 5 to 500 Hz) 0.67 (XYZ)
Environmental (non-operating)
Ambient temperature -40 to 70 C
Shock (half-sine wave, 1ms, G) 300
Vibration (G RMS, 5 to 500 Hz) 1.04 (XYZ)
Warranty5 Years Manufacturer Warranty
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