USED Western Digital WD Red NAS Hard Disk Drive 4TB 5400 RPM Class SATA 6 GB/S 64MB Cache 3.5. for NAS Decktop | Juan Gadget

  • ₱3,499.00
  • Save ₱4,000


NAS hard drives aren’t necessarily required to be the highest performing drives on the market. For most buyers, the primary considerations are reliability and warranty as well as the capacity points offered. This market also places more importance on how the drive is going to operate over its lifespan. That’s not to say performance isn’t a possible deliberation, and the WD Red features a quoted transfer rate around 150MB/s.

The WD Red ships with features to enhance the performance and reliability of the drive. 3D Active Balance Plus is a dual-plane balance control technology that enhances overall drive performance and reliability by reducing vibration and its associated wear and tear on internal components. WD uses NASware firmware on all Red HDDs, with version 2.0 standard on the 4TB model. This firmware reduces noise and power consumption, enables users to monitor performance and reliability via the SMART command set, and provides error recovery tools.

WD Red 4TB HDD Specifications
Model number: WD40EFRX
Interface: SATA 6 Gb/s
Formatted capacity: 4TB
Form factor: 3.5-inch
Advanced Format (AF): Yes
RoHS compliant: Yes
Data transfer rate (max)
Interface speed: 6 Gb/s
Internal transfer rate: 150 MB/s
Cache (MB): 64
Rotational speed (RPM): IntelliPower
Load/unload cycles: 300,000
Non-recoverable read errors per bits read: <1 in 1014
MTBF (hours): 1,000,000
12VDC ±10% (A, peak): 1.75
5VDC ±10% (A, peak): –
Average power requirements (W)
Read/Write: 4.5
Idle: 3.3
Standby/Sleep: 0.4
Temperature (°C)
Operating: 0 to 70
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): 28
Height (in./mm): 1.028/26.1
Length (in./mm): 5.787/147
Width (in./mm, ± .01 in.): 4/101.6
Weight (lb./kg, ± 10%): 1.50/0.68



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