WD20EFRX

WD40EFAX

HDD 4TB WESTERN DIGITAL (WD40EFAX) SATA3 64MB 5200rpm RED NAS BUFER 256MB

Estado: NUEVO [ Almacén Externo ] - entrega en 48 Horas

Product Specifications
Interface SATA 6 Gb/s

Performance Specifications
Rotational Speed 5,400 RPM (nominal)
Buffer Size 64 MB
Transfer Rates
Buffer To Host (Serial ATA) 6 Gb/s (Max)

Physical Specifications
Formatted Capacity 2,000,398 MB
Capacity 4 TB
Form Factor 3.5 Inch
User Sectors Per Drive 3,907,029,168

Performance Specifications
Target Performance
MTBF 1,000,000 hours

Physical Dimensions
English
Height 1.028 Inches
Depth 5.787 Inches
Width 4.00 Inches
Weight 1.40 Pounds
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 (average)
Temperature (English)
Operating 32° F to 158° F
Non-operating -40° F to 158° F
Temperature (Metric)
Operating -0° C to 70° C
Non-operating -40° C to 70° C
Humidity
Operating 5-95% RH non-condensing
Vibration
Operating 0.004 g²/Hz (10 to 300 Hz)
Non-operating 0.05 g²/Hz (10 to 300 Hz)
Operating
Linear 20-300 Hz, 0.75G (0 to peak)

Electrical Specifications
Current Requirements
12 VDC
Read/Write 250 mA
Idle 230 mA
Standby 7 mA
Sleep 7 mA
5 VDC
Read/Write 280 mA
Idle 260 mA
Standby 105 mA
Sleep 105 mA
Power Dissipation
Read/Write 4.40 Watts
Idle 4.10 Watts
Standby 0.60 Watts
Sleep 0.60 Watts

Compatibility
Operating System
Compatibility Windows/Mac/Linux