Technical Specifications

Manufacturer
Western Digital
FamilyBlack
Model NumberWD4001FAEX
Form Factor3.5"
Capacity4 TB
RPM7,200
Other Capacities
500 GB, 1 TB, 2 TB
PlattersUnknown
Cache64 MB
InterfaceSATA 6Gb/s
Operating Temperature
0-55° C
Power Consumption at Idle (Manufacturer's Specifications)8.1 W
Power Consumption at Idle (Measured)7.9 W
Maximum Allowable Shock Level (2 ms, read)65 G














Benchmark System

Benchmark System Hardware
CPU
Intel Core i5-2500K (Sandy Bridge), Stepping D2, 32 nm, 4C/4T, 3.3 GHz Base Clock Rate, 3.7 GHz Maximum Turbo Boost, 4 x 256 KB L2 Cache, 6 MB Shared L3 Cache, HD Graphics 3000, 95 W TDP
Motherboard
Gigabyte Z68X-UD3H-B3, Revision: 0.2, Chipset: Intel Z68 Express, BIOS: F3
RAM
2 x 2 GB DDR3-1333, Corsair TR3X6G1600C8D
System SSD
Intel X25-M G1, 80 GB, Firmware 0701, SATA 3Gb/s
Benchmarked Hard Drive
Western Digital Black WD4001FAEX, 4 TB, 64 MB Cache, SATA 6Gb/s, 7,200 RPM
ControllerIntel PCH Z68 SATA 6 Gb/s 
Power Supply
Seasonic X-760 760 W, SS-760KM Active PFC F3
Benchmarks
Benchmark Software
CrystalDiskMark 3.0.1 x64
h2benchw 3.16
PCMark 7 1.0.4
I/O Benchmark SoftwareIOMeter 2006.07.27
Webserver Benchmark
Database Benchmark
Fileserver Benchmark
Workstation Benchmark
Streaming Reads
Streaming Writes
4K Random Reads
4K Random Writes
System Software and Drivers
Software and DriversDetails
Operating System
Windows 7 x64 Ultimate SP1
Intel INF9.2.0.1030
Intel Rapid Storage Technology10.5.0.1026




Benchmark Results: Data Throughput And Interface Bandwidth














Benchmark Results: 4 KB Random Reads/Writes And Streaming Reads/Writes













Benchmark Results: Seek Times And I/O Performance



















Benchmark Results: PCMark Application Performance











Temperatures And Power Consumption




















Western Digital's WD4001FAEX: Probably Not For Home Use