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Impartial price comparison

WD RE4 WD2003FYYS 64MB 2TB vs. Seagate IronWolf ST4000VN008 64MB 4TB + 9

WD RE4 WD2003FYYS 64MB 2TB

WD RE4 WD2003FYYS 64MB 2TB

£49.00

Free delivery
Seagate IronWolf ST4000VN008 64MB 4TB

Seagate IronWolf ST4000VN008 64MB 4TB

£85.20

£90.18 Incl. delivery
WD Red WD30EFRX 64MB 3TB

WD Red WD30EFRX 64MB 3TB

£65.00

Free delivery
Seagate Exos X16 ST16000NM001G 256MB 16TB

Seagate Exos X16 ST16000NM001G 256MB 16TB

£291.60

£292.35 Incl. delivery
WD Red Plus NAS WD80EFBX 256MB 8TB

WD Red Plus NAS WD80EFBX 256MB 8TB

£207.97

£209.99 Incl. delivery
Seagate Barracuda ST1000DM010 64MB 1TB

Seagate Barracuda ST1000DM010 64MB 1TB

£30.98

£32.99 Incl. delivery
Seagate IronWolf Pro ST4000NE001 128MB 4TB

Seagate IronWolf Pro ST4000NE001 128MB 4TB

£113.70

£116.49 Incl. delivery
Noise level
29 - 34 dB
23 - 26 dB
28 - 32 dB
23 - 24 dB
28 - 34 dB
26 - 28 dB
22 - 27 dB
22 - 27 dB
27 - 28 dB
Connection
S-ATA
S-ATA
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
S-ATA 6Gb/s
S-ATA 6Gb/s
S-ATA 6Gb/s
Dimensions (WxHxD)
Depth
147 mm
146.99 mm
146.99 mm
147 mm
147 mm
146.99 mm
146.99 mm
146.99 mm
147 mm
147 mm
146.99 mm
Height
26.1 mm
26.11 mm
26.11 mm
26.1 mm
26.1 mm
20.2 mm
26.11 mm
20.17 mm
26.1 mm
20.2 mm
26.1 mm
Width
101.6 mm
101.85 mm
101.85 mm
101.6 mm
101.8 mm
101.85 mm
101.6 mm
101.6 mm
101.6 mm
101.6 mm
101.8 mm
Form factor
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
3.5 inches
Features
ERC (Error Recovery Control)
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
NAS-optimized
NAS-optimized
NAS-optimized
NAS-optimized
ERC (Error Recovery Control), NAS-optimized
Cache size
64 MB
64 MB
256 MB
64 MB
256 MB
256 MB
128 MB
256 MB
256 MB
64 MB
128 MB
Hybrid disk (SSHD)
No
No
No
No
No
No
No
No
No
No
Recording technology
CMR
CMR
CMR
CMR
SMR
CMR
SMR
CMR
CMR
CMR
Release year
2009
2016
2012
2019
2017
2017
2016
Operational Power Consumption (min-max)
8.1 - 10.7 W
3.95 - 4.8 W
7.6 - 8.8 W
2.7 - 4.1 W
6.3 - 10 W
3.9 - 5.1 W
0.25 - 3.7 W
15.7 W
4.6 - 5.3 W
15.7 W
Power consumption (standby)
1.5 W
0.5 W
0.6 W
0.4 W
5 W
0.3 W
0.4 W
0.25 W
0.8 W
0.94 W
Advanced Format (AF)
512e
512e
512e
512e
4Kn
512e
512e
512e
Internal transfer rate
138 MB/s
263.38 MB/s
200 MB/s
147 MB/s
261 MB/s
220 MB/s
190 MB/s
210 MB/s
Mean Time Between Failure (MTBF)
1200000 h
1000000 h
1200000 h
1000000 h
2500000 h
1000000 h
1000000 h
1000000 h
750000 h
1200000 h
Number of disks (platters)
4 ​
3 ​
5 ​
3 ​
9 ​
1 ​
2 ​
1 ​
3 ​
Rotational speed
7200 RPM
5900 RPM
7200 RPM
5400 RPM
7200 RPM
7200 RPM
5400 RPM
5400 RPM
7200 RPM
7200 RPM
7200 RPM
Storage capacity
2 TB
4 TB
8 TB
3 TB
16 TB
2 TB
4 TB
4 TB
8 TB
1 TB
4 TB
Price/TB
24.5 £/TB
21.25 £/TB
22 £/TB
21.67 £/TB
18.25 £/TB
21 £/TB
22.25 £/TB
18.5 £/TB
26 £/TB
31 £/TB
28.5 £/TB
Unrecoverable Read Error (URE)
1 per 10^15
1 per 10^14
1 per 10^15
1 per 10^14
1 per 10^15
1 per 10^15
1 per 10^14
1 per 10^14
1 per 10^15