Твърд диск 4TB WD Purple NV, SATA 6GB/s, 5400rpm, 64MB, 3.5"(8.89 cm)

4TB WD Purple™ NV
Surveillance Storage


Specifications

Formatted capacity: 4 TB
Form factor: 3.5-inch
Advanced Format (AF): Yes
RoHS compliant: Yes

Performanceю

Data transfer rate (max)
Buffer to host: 6 Gb/s
Host to/from drive (sustained): 171 MB/s

Cache (MB): 64
Rotational speed (RPM): IntelliPower

Reliability/Data Integrity

Load/unload cycles: 300,000
Non-recoverable read errors per bits read: <1 in 10

Power Management

Average power requirements (W)
Read/Write: 4.80
Idle: 4.33
Standby and Sleep: 0.52


Environmental Specifications

Temperature (°C, on the base casting)
Operating: 0 to 65
Non-operating: -40 to 70

Shock (Gs)

Operating (2 ms, read/write): 30
Operating (2 ms, read): 65
Non-operating (2 ms): 250

Acoustics (dBA)
Idle: 25
Seek (average): 26

Physical Dimensionsю
Height (in./mm, max): 1.028/26.1
Height (in./mm, max): 5.787/147
Width (in./mm, ± .01 in.): 4/101.6
Weight (lb./kg, ± 10%): 1.50/0.68

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