Western Digital Black WD4004FZWX 4TB 7200RPM SATA3-SATA 6.0 GB-s 128MB Hard Drive (3.5 inch) Gaming Accessory Material: SECC Steel

Material: SECC Steel

Supports User Quota

1x 120mm White LED Fan Vent (Fan not included)

Operating System: Windows 7 Professional 64-bit (Available through downgrade rights from Windows 8 Pro 64-bit)

Expansion Slots: 4

Western Digital Black WD4004FZWX 4TB 7200RPM SATA3-SATA 6.0 GB-s 128MB Hard Drive (3.5 inch) Gaming Accessory Material: SECC SteelSpecifications Mfr Part Number: WD4004FZWX Capacity: 4TB Rotational Speed: 7200 RPM Cache: 128 MB Interface: SATA 6 Gb s Data Transfer Rate (Max): Buffer to Host: 6 Gb s Host to from drive (sustained): 202 MB s Shock: Operating: 30G @ 2ms (read write), 65G @ 2ms (read) Non operating: 300G @ 2ms Acoustics: Idle Mode: 29 dBA Seek Mode: 36 dBA (average) Power Management: Read Write: 9. 1 Watts Idle: 5. 8 Watts Standby Sleep: 1. 0 Watts Form Factor: 3. 5