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Samsung SpinPoint P80 SP0802N 2MB 80GB vs. WD Red WD40EFRX 64MB 4TB + 9

Noise level
27 - 28 dB
23 - 27 dB
23 - 24 dB
22 - 27 dB
23 - 26 dB
26 - 28 dB
25 - 28 dB
22 - 26 dB
23 - 26 dB
25 - 28 dB
27 - 28 dB
Connection
IDE
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
Interface
ATA 133
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
146.1 mm
147 mm
147 mm
146.99 mm
146.99 mm
146.99 mm
147 mm
100.35 mm
140 mm
147 mm
147 mm
Height
25.4 mm
26.1 mm
26.1 mm
20.17 mm
26.11 mm
20.2 mm
26.1 mm
7 mm
26 mm
26.1 mm
26.1 mm
Width
101.6 mm
101.6 mm
101.6 mm
101.6 mm
101.85 mm
101.85 mm
101.6 mm
69.85 mm
101.85 mm
101.6 mm
101.6 mm
Form factor
3.5 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
2 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
No
Yes
No
No
No
Recording technology
CMR
CMR
SMR
CMR
SMR
CMR
SMR
CMR
Release year
2013
2012
2017
2016
2017
2014
2016
2016
2015
2017
Operational Power Consumption (min-max)
8.6 W
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
7.6 - 8.8 W
3.4 - 5.3 W
6.4 W
Power consumption (standby)
8.6 W
0.4 W
0.4 W
0.25 W
0.5 W
0.3 W
0.4 W
0.13 W
0.5 W
0.4 W
5.2 W
Advanced Format (AF)
512e
512e
512e
512e
4Kn
512e
4Kn
512e
512e
Internal transfer rate
93 MB/s
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)
500000 h
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
1000000 h
Number of disks (platters)
1 ​
4 ​
3 ​
2 ​
3 ​
1 ​
5 ​
2 ​
3 ​
4 ​
3 ​
Rotational speed
7200 RPM
5400 RPM
5400 RPM
5400 RPM
5900 RPM
7200 RPM
5400 RPM
5400 RPM
5900 RPM
5400 RPM
7200 RPM
Storage capacity
0.08 TB
4 TB
3 TB
4 TB
4 TB
2 TB
6 TB
2 TB
4 TB
4 TB
3 TB
Price/TB
500 £/TB
20 £/TB
22.67 £/TB
18.75 £/TB
23.5 £/TB
23 £/TB
24.17 £/TB
38.5 £/TB
21.75 £/TB
20.5 £/TB
19.67 £/TB
Unrecoverable Read Error (URE)
1 per 10^14
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