Western Digital HDD WD40E31X 4TB SATA III 5400rpm 8GB 3.5inch Blue SSHD NAND Bare Drive

Capacity
4TB
Hard Drive Type
WD Blue SSHD
Interface
SATA 6GB/s
Form Factor
3.5inch
Advanced Format (AF)
Yes
RoHS Compliant
Yes
Performance
Data Transfer Rate: Buffer to Host 6Gb/s / Host to/from Drive (Sustained): 150 MB/s
NAND Type: MLC
NAND Size: 8GB
Cache: 64MB
Reliability/Data Integrity
Load/Unload Cycles: 300,000
Non-Recoverable Read Error Per Bits Read: <1 in 10
Power Management
Spinup (Max) 12VDC +/-10% (A, Peak): 2.8
Spinup (Max) 5VDC +/-10% (A, Peak): 1
Spinup (Max) (W): 38.6
Average Power Requirements (W)
Read/Write: 6
Idle: 4.75
Standby and Sleep: 0.57
Environmental Specifications
Temperature (C on the base Casting):
Operating: 0 to 60
Non-Operating: -40 to 70
Shock (GS):
Operating (2ms Read/Write): 30
Non-Operating (2ms): 350
Acoustics (dBA):
Idle: 25
Seek (Average): 26
Item Dimension (L"xW"xH")
5.79 x 4 x 1.03

Weight
1.50 lb
Warranty Information
3 Years Limited