The Western Digital Red 8TB NAS Black Magic Speed Test – WD80EFRX

How fast is the Western Digital WD Red 8TB HDD?

WD Red hard drives are designed and tested for compatibility in the unique 24×7 operating environment and demanding system requirements of home and small office NAS.

WD Red is designed specifically for NAS systems that have 1 to 8 drive bays. The drives are designed and extensively tested for compatibility in the unique 24×7 operating environment and for the demanding system requirements of home and small office NAS.

Reliability
One your NAS will be constantly on you need reliable drives.  This drive will be perfect for constant use with MTBF of up to 1 million hours.

What is MTTR and MTBF? Mean time between failures” or “MTBF” refers to the amount of time that elapses between one failure and the next. 

Cooler Operations
By reducing power consumption, the operating temperature of your NAS stays cooler. In srandby or sleep mode this drive consumes only 0.7Wats.
How much does it cost?
It would consume 6kWatts a year which would cost around 2pounds. 

WD RED comparison

Specifications 8TB 6TB 5TB 4TB 3TB 2TB 1TB
Advanced Format (AF) Yes Yes Yes Yes Yes Yes Yes
Native command queuing Yes Yes Yes Yes Yes Yes Yes
RoHS compliant Yes Yes Yes Yes Yes Yes Yes
Performance       
Data transfer rate (max)              
Interface speed 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s 6 Gb/s
Internal transfer rate 178 MB/s 175 MB/s 170 MB/s 150 MB/s 147 MB/s 147 MB/s 150 MB/s
Cache (MB) 128 64 64 64 64 64 64
Performance Class 5400 RPM Class 5400 RPM Class 5400 RPM Class 5400 RPM Class 5400 RPM Class 5400 RPM Class 5400 RPM Class
Reliability/Data Integrity       
Load/unload cycles 600,000 600,000 600,000 600,000 600,000 600,000 600,000
Non-recoverable read errors per bits  
read              
MTBF (hours) 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000
Limited warranty (years) 3 3 3 3 3 3 3
Power Management       
12VDC ±10% (A, peak) 1.79 1.75 1.75 1.75 1.73 1.73 1.20
5VDC ±10% (A, peak)  
Average power requirements (W)              
Read/Write 6.4 5.3 5.3 4.5 4.1 4.1 3.3
Idle 5.2 3.4 3.4 3.3 2.7 2.7 2.3
Standby/Sleep 0.7 0.4 0.4 0.4 0.4 0.4 0.4
Environmental Specifications
Temperature (°C)              
Operating 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65 0 to 65
Non-operating -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70 -40 to 70
Shock (Gs)              
Operating (2 ms, read/write) 30 30 30 30 30 30 30
Operating (2 ms, read) 65 65 65 65 65 65 65
Non-operating (2 ms) 250 250 250 250 250 250 350
Acoustics (dBA)              
Idle 20 25 25 25 23 23 21
Seek (average) 29 28 28 28 24 24 22

0.7

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