WD TDSourcing Ultrastar 7K4000 HUS724040ALS640 - hard drive - 4 TB - SAS 6Gb/s
Type
Hard drive - internal
Capacity
4 TB
Form Factor
3.5" x 1/3H
Interface
SAS 6Gb/s
Data Transfer Rate
600 MBps
Buffer Size
64 MB
Spindle Speed
7200 rpm
Features
Fluid Dynamic Bearing (FDB) motor, Rotational Vibration Safeguard (RVS), Thermal Flyheight Control (TFC), Enhanced Availability (EA) for 24x7 access to data, Advanced Format technology, Dual Stage Actuator (DSA), S.M.A.R.T.
Dimensions (WxDxH)
4 in x 5.8 in x 1 in
Weight
1.52 lbs
Manufacturer Warranty
5-year warranty
EXTENDED SPECIFICATIONS
General
Device Type
Hard drive - internal
Capacity
4 TB
Form Factor
3.5" x 1/3H
Interface
SAS 6Gb/s
Buffer Size
64 MB
Bytes per Sector
512
Features
Fluid Dynamic Bearing (FDB) motor, Rotational Vibration Safeguard (RVS), Thermal Flyheight Control (TFC), Enhanced Availability (EA) for 24x7 access to data, Advanced Format technology, Dual Stage Actuator (DSA), S.M.A.R.T.
Width
4 in
Depth
5.8 in
Height
1 in
Weight
1.52 lbs
Performance
Drive Transfer Rate
600 MBps (external)
Internal Data Rate
229 MBps
Seek Time
8.2 ms (average) / 24 ms (max)
Average Latency
4.16 ms
Spindle Speed
7200 rpm
Reliability
MTBF
2,000,000 hours
Non-Recoverable Errors
1 per 10^15
Start / Stop Cycles
600,000
Expansion & Connectivity
Interfaces
1 x SAS 6Gb/s - 29 pin internal SAS (SFF-8482)
Compatible Bay
3.5" x 1/3H
Power
Power Consumption
10.9 Watt (active) 6.2 Watt (idle)
Miscellaneous
Compliant Standards
UL, TUV, CISPR 22 Class B, BSMI CNS 13438 Class B, cUL, EN55024, EN55022 Class B, MIC, RoHS, FCC CFR47 Part 15 B, GB 9254 Class B, GB 17625.1, EN 61000-3-3:2008, ICES-003 issue 4 Class B, VCCI Class B, EN 61000-3-2:2006+A1:2009+A2:2009
