WD Red 3TB NAS 64MB 3.5' 5400RPM SATA3 6Gb/s 64MB Cache

Western Digital Red 3 TB Hard Drive for NAS
WD30EFRX

Specifications:
Product Specifications:
Interface: SATA 6 Gb/s
Performance Specifications:
Rotational Speed: IntelliPower *
Buffer Size: 64 MB
Transfer Rates:
Buffer To Host (Serial ATA): 6 Gb/s (Max)
Physical Specifications:
Formatted Capacity: 3,000,592 MB
Capacity: 3 TB
User Sectors Per Drive: 5,860,533,168
Performance Specifications:
Target Performance:
MTBF: 1,000,000 hours
Physical Dimensions:
Metric:
Height: 26.1 mm
Depth: 147 mm
Width: 101.6 mm
Weight: 0 .635 kg
Environmental Specifications :
Shock:
Operating Shock (Read): 65G, 2 ms
Non-operating Shock: 250G, 2 ms
Acoustics:
Idle Mode: 23 dBA (average)
Seek Mode 0: 24 dBA