Хард диск WD 4TB Ultrastar DC HC310 3.5 SATAIII 256MB, HUS726T4TALA6L4

HUS726T4TALA6L4



General





Interface



SATA 6 Gb/s



SAS 12 Gb/s



Capacity1



6TB / 4TB



6TB / 4TB



Format2: Sector size(bytes)
4Kn:
512e:





4096
512





4096, 4112, 4160, 4224
512, 520, 528







Performance





Data buffer (MB)3



256



256



Rotational speed (RPM)



7200



7200



Interface transfer rate (MB/s, max)



600



1200



Sustained transfer rate
(MiB/s, typical)
(MB/s, typical)





Up to 243
Up to 255
222
233





Up to 243
Up to 255
222
233







Reliability





Error rate (non-recoverable bits read)



1 in 1015



1 in 1015



MTBF (M hours)5



2



2



Annualized Failure Rate (AFR)



0.44%



0.44%



Load/Unload cycles (at 40°C)



600,000



600,000



Availability (hrs/day x days/wk)



24x7



24x7



Limited Warranty (yrs)



5



5





Acoustics





Idle/Operating (Bels, typical)



2.9/3.6



2.9/3.6





Power





Requirement



+5 VDC, +12VDC



+5 VDC, +12VDC



Operating (W, typical)6



7.0



12.1



Idle (W)7



5.9



7.0





Physical Size





z-height (mm)



26.1



26.1



Dimensions (width x depth, mm)



101.6 (+/-0.25) x 147



101.6 (+/-0.25) x 147



Weight (g, max)



715



715





Environmental (Operating)





Ambient temperature



5°C to 60°C



5°C to 60°C



Shock (half-sine wave, 2ms, G)



70



70



Vibration (G RMS, 5 to 500 Hz)



0.67 (XYZ)



0.67 (XYZ)


Environmental (Non-Operating)



Ambient temperature


-40°C to 70°C


-40°C to 70°C



Shock (half-sine wave, 2ms, G)


300


300



Random Vibration (G RMS 2 to 200 Hz)


1.04 (XYZ)


1.04 (XYZ)