Твърд диск 4TB HGST Ultrastar 7K6000, SAS 12Gb/s, 7200 rpm, 128 MB, 3.5" (8.89 cm)

HGST Ultrastar 7K6000
HUS726040ALS211

When you are looking for economical, high-capacity enterprise-class storage, look to the Ultrastar® 7K6000. It delivers the value and performance you need for data center storage. For best-in-class random write and sequential performance, the Ultrastar® 7K6000 delivers 6TB of capacity in a 3.5-inch form factor. Innovations like patented Rotational Vibration Safeguard (RVS) sensor technology optimize drive reliability in multi-drive RAID arrays and rack-mounted systems. Engineered for the highest quality, the Ultrastar 7K6000 passes stringent reliability testing. The ultra-reliable Ultrastar 7K6000 reduces downtime, eliminates service calls and minimizes TCO. Rely on the Ultrastar® 7K6000 to deliver value and performance to the cost-sensitive data center.

Interface SAS 12Gb/s
Capacity (GB)4TB
Sector Size (Variable, Bytes/sector) 512e: 51
Max Areal Density (Gbits/sq. in.)512e
Form Factor 3.5-inch HDD

Performance
Data Buffer (MB)128
Rotational Speed (RPM)7200
Latency Average (ms)4.16
Interface Transfer Rate (MB/sec, max)1200
Sustained Transfer Rate (MB/sec, typ.)MB/s: 227 (6TB), 202 (<6TB) / MiB/s: 216 (6TB), 192 (<6TB)
Seek Time (read, ms, typical)7.6 (Read), 8.0 (Write)

Reliability
Error Rate (non-recoverable, bits read)1 in 10^15
MTBF (M hours)2
Load/Unload Cycles 600,000 (at 40ºC)
Availability (hrs/day x days/wk)24x7

Acoustics
Idle (Bels)2.9 (Idle), 3.6 (Operating)

Power
Requirement+5 VDC, +12 VDC
Operating (W, typical)11
Low Power Idle (W, avg)7.7
Power Consump. Efficiency Index (W/GB)1.3W/TB / 0.0013W/GB (6TB)

Physical Size
Z-Height (mm)26.1
Dimensions (width x depth, mm)101.6 (+/-0.25) x 147
Weight (g, max)715

Environmental (operating)
Ambient Temperature 5° to 60°C
Shock (half-sine wave)70
Vibration (5 to 500 Hz)0.67 (XYZ)

Environmental (non-operating)
Ambient Temperature-40° to 70°C
Shock (half-sine wave)300
Vibration (5 to 500 Hz)1.04 (XYZ)

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