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WD AV WD3200BVVT 8MB 320GB vs. Seagate Barracuda ST4000DM004 256MB 4TB + 6

WD AV WD3200BVVT 8MB 320GB

£34.15

Free delivery
Seagate Barracuda ST4000DM004 256MB 4TB

Seagate Barracuda ST4000DM004 256MB 4TB

£5.45

£71.89 Incl. delivery
Seagate IronWolf ST4000VN008 64MB 4TB

Seagate IronWolf ST4000VN008 64MB 4TB

£36.17

£88.98 Incl. delivery
WD Red WD60EFRX 64MB 6TB

WD Red WD60EFRX 64MB 6TB

£13.78

£161.66 Incl. delivery
WD Blue WD40EZRZ 64MB 4TB

WD Blue WD40EZRZ 64MB 4TB

£19.64

£82.24 Incl. delivery
Noise level
22 - 27 dB
26 - 28 dB
23 - 26 dB
27 - 28 dB
25 - 28 dB
25 - 28 dB
23 - 30 dB
Connection
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
Interface
S-ATA 3Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
Dimensions (WxHxD)
Depth
100 mm
146.99 mm
146.99 mm
146.99 mm
147 mm
147 mm
147 mm
146.99 mm
Height
20.17 mm
20.2 mm
26.11 mm
26.1 mm
26.1 mm
26.1 mm
26.11 mm
Width
70 mm
101.6 mm
101.85 mm
101.85 mm
101.6 mm
101.6 mm
101.6 mm
101.6 mm
Form factor
2.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
Features
NAS-optimized
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
NAS-optimized
Cache size
8 MB
256 MB
256 MB
64 MB
64 MB
64 MB
64 MB
128 MB
Hybrid disk (SSHD)
No
No
No
No
No
No
No
No
Recording technology
SMR
SMR
CMR
CMR
CMR
SMR
SMR
Release year
2017
2017
2016
2017
2014
2015
2014
Operational Power Consumption (min-max)
0.25 - 3.7 W
3.9 - 5.1 W
3.95 - 4.8 W
6.4 W
3.4 - 5.3 W
3.4 - 5.3 W
7.5 W
Power consumption (standby)
0.25 W
0.3 W
0.5 W
5.2 W
0.4 W
0.4 W
0.75 W
Advanced Format (AF)
512e
4Kn
512e
512e
512e
4Kn
Internal transfer rate
190 MB/s
220 MB/s
263.38 MB/s
175 MB/s
150 MB/s
292 MB/s
Mean Time Between Failure (MTBF)
1000000 h
1000000 h
1000000 h
1000000 h
Number of disks (platters)
2 ​
1 ​
3 ​
3 ​
5 ​
4 ​
4 ​
Rotational speed
5400 RPM
5400 RPM
7200 RPM
5900 RPM
7200 RPM
5400 RPM
5400 RPM
5900 RPM
Storage capacity
0.32 TB
4 TB
2 TB
4 TB
3 TB
6 TB
4 TB
5 TB
Price/TB
106.25 £/TB
1.25 £/TB
21 £/TB
9 £/TB
20 £/TB
2.33 £/TB
5 £/TB
16.2 £/TB
Unrecoverable Read Error (URE)
1 per 10^14
1 per 10^15
1 per 10^14
1 per 10^14
1 per 10^14
1 per 10^14
1 per 10^14