Твърд диск 8TB HGST Ultrastar He10, SAS 12Gb/s, 7200 rpm, 256 MB, 4096 sector size(ISE), 3.5" (8.89 cm)

HGST Ultrastar He10
HUH721008AL4200

Laying the foundation for a worry-free data center, HGST delivers the very best capacity hard drive in the industry – Ultrastar He10. The He10 uses PMR technology and is the industry’s first 10TB drive that is drop-in ready for any enterprise-capacity application or environment. Based on field proven, third-generation HelioSeal® technology, it offers the lowest power profile in the industry to help data center architects meet eco-environmental goals and requirements. Targeted at 2.5M hours MTBF, the He10 provides the highest reliability rating available of all HDDs on the market today by building on the successful design of its 8TB and 6TB predecessors. Trust HGST and Ultrastar He10 to deliver more capacity, more efficiency, more reliability and more value to your data center.

Interface SAS 12Gb/s
Capacity (GB)8TB
Sector Size (Variable, Bytes/sector)512e: 512 512e: 512, 520, 528
Max Areal Density (Gbits/sq. in.)816 (10TB)

Performance
Data Buffer (MB)256
Rotational Speed (RPM)7200
Latency Average (ms)4.16
Interface Transfer Rate (MB/sec, max)1200
Sustained Transfer Rate (MB/sec, typ.)249MB/s (10TB) / 225MB/s (8TB)
237Mib/s (10TB) / 215Mib/s (8TB)
Seek Time (read, ms, typical)8.0 (Read), 8.6 (Write)

Reliability
Error Rate (non-recoverable, bits read)1 in 10^15
MTBF (M hours)2.5
Annual Failure Rate (AFR)0.35%
Load/Unload Cycles 600,000
Availability (hrs/day x days/wk)24x7

Acoustics
Idle (Bels) 2.0 (Idle) / 3.6 (Operating)

Power
Requirement +5 VDC, +12VDC
Operating (W, typical)9.5
Idle (W) 5.8
Power Consump. Efficiency Index (W/GB)0.50W/TB
0.00050W/GB

Physical Size
Z-Height (mm)26.1
Dimensions (width x depth, mm)101.6 (+/-0.25) x 147
Weight (g, max)660

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

Environmental (non-operating)
Ambient Temperature -40° to 70°C
Shock (half-sine wave)300 (2ms) / 150 (11ms)
Vibration (5 to 500 Hz)1.04G RMS (XYZ)

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