4TB WD Caviar Red SATA3 product
HDDPC4WDWD40EFRXHDDPC4WDWD40EFRXHDDPC4WDWD40EFRX
ОписаниеТехнически характеристикиВземи на изплащане

 

WD Red 4 TB Hard Drive for NAS
(WD40EFRX)

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:  4,000,787 MB
Capacity:  4 TB
User Sectors Per Drive:  7,814,037,168

Performance Specifications
Target Performance
MTBF:  1,000,000 hours

Physical Dimensions:  
Height:  26.1 mm
Depth:  147 mm
Width:  101.6 mm
Weight:  0.68 kg

Environmental Specifications
Shock
Operating Shock (Read):  65G, 2 ms
Non-operating Shock:  250G, 2 ms

Acoustics
Idle Mode:  25 dBA (average)
Seek Mode:  0 28 dBA (average)

Temperature
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)

Power Dissipation

Read/Write:  4.50 Watts
Idle:  3.30 Watts
Standby:  0.40 Watts
Sleep:  0.40 Watts

Operating System:  Compatibility Windows/Mac




Виж още Твърди дискове Вътрешни Western Digital

Технически характеристики

Размер:  3.5" (8.89cm)
Капацитет:  4000 GB
Интерфейс:  SATA3
Обороти:  5400 rpm

Вземи на изплащане

  • Какво пазаруват другите Какво пазаруват другите
  • Какво пазаруват другите Най-продавани продукти
  • Какво пазаруват другите Промоционални продукти

Свързани продукти и тагове: