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Samsung Spinpoint D8X ST1000LM044 32MB 1TB vs. WD Red WD40EFRX 64MB 4TB + 9

Noise level
23 - 27 dB
23 - 24 dB
22 - 27 dB
23 - 26 dB
26 - 28 dB
25 - 28 dB
22 - 26 dB
27 - 28 dB
23 - 26 dB
25 - 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 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
S-ATA 6Gb/s
Dimensions (WxHxD)
Depth
147 mm
147 mm
146.99 mm
146.99 mm
146.99 mm
147 mm
100.35 mm
147 mm
140 mm
147 mm
Height
26.1 mm
26.1 mm
20.17 mm
26.11 mm
20.2 mm
26.1 mm
7 mm
26.1 mm
26 mm
26.1 mm
Width
101.6 mm
101.6 mm
101.6 mm
101.85 mm
101.85 mm
101.6 mm
69.85 mm
101.6 mm
101.85 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
2.5 inches
3.5 inches
3.5 inches
3.5 inches
Features
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
ERC (Error Recovery Control), NAS-optimized
NAS-optimized
Cache size
32 MB
64 MB
64 MB
256 MB
64 MB
256 MB
64 MB
128 MB
64 MB
64 MB
64 MB
Hybrid disk (SSHD)
No
No
No
No
No
No
Yes
No
No
No
Recording technology
CMR
CMR
SMR
CMR
SMR
CMR
CMR
SMR
Release year
2013
2012
2017
2016
2017
2014
2016
2017
2016
2015
Operational Power Consumption (min-max)
3.3 - 4.5 W
2.7 - 4.1 W
0.25 - 3.7 W
3.95 - 4.8 W
3.9 - 5.1 W
3.4 - 5.3 W
0.5 - 1.8 W
6.4 W
7.6 - 8.8 W
3.4 - 5.3 W
Power consumption (standby)
0.4 W
0.4 W
0.25 W
0.5 W
0.3 W
0.4 W
0.13 W
5.2 W
0.5 W
0.4 W
Advanced Format (AF)
512e
512e
512e
4Kn
512e
4Kn
512e
512e
Internal transfer rate
150 MB/s
147 MB/s
190 MB/s
263.38 MB/s
220 MB/s
175 MB/s
140 MB/s
190 MB/s
150 MB/s
Mean Time Between Failure (MTBF)
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
Number of disks (platters)
4 ​
3 ​
2 ​
3 ​
1 ​
5 ​
2 ​
3 ​
3 ​
4 ​
Rotational speed
7200 RPM
5400 RPM
5400 RPM
5400 RPM
5900 RPM
7200 RPM
5400 RPM
5400 RPM
7200 RPM
5900 RPM
5400 RPM
Storage capacity
1 TB
4 TB
3 TB
4 TB
4 TB
2 TB
6 TB
2 TB
3 TB
4 TB
4 TB
Price/TB
75 £/TB
20 £/TB
22.67 £/TB
18.75 £/TB
23.5 £/TB
23 £/TB
24.17 £/TB
38.5 £/TB
19.67 £/TB
21.75 £/TB
20.5 £/TB
Unrecoverable Read Error (URE)
1 per 10^14
1 per 10^14
1 per 10^14
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