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Seagate Momentus 5400.1 ST94011A 2MB 40GB vs. Seagate Exos X16 ST16000NM001G 256MB 16TB + 9

Noise level
23 - 27 dB
28 - 34 dB
23 - 26 dB
28 - 32 dB
28 - 34 dB
28 - 30 dB
26 - 28 dB
22 - 27 dB
Connection
IDE
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
S-ATA
Interface
ATA 100
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
146.99 mm
147 mm
146.99 mm
146.99 mm
146.99 mm
146.99 mm
146.99 mm
Height
9.5 mm
26.1 mm
26.11 mm
26.11 mm
26.11 mm
26.1 mm
26.11 mm
26.11 mm
20.2 mm
26.11 mm
26.1 mm
Width
70 mm
101.8 mm
101.85 mm
101.85 mm
101.6 mm
101.8 mm
101.85 mm
101.85 mm
101.85 mm
101.6 mm
101.8 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
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
NAS-optimized
ERC (Error Recovery Control), NAS-optimized
NAS-optimized
Cache size
2 MB
256 MB
64 MB
256 MB
128 MB
256 MB
256 MB
256 MB
256 MB
128 MB
256 MB
Hybrid disk (SSHD)
No
No
No
No
No
No
No
No
No
Recording technology
CMR
CMR
CMR
CMR
CMR
CMR
CMR
SMR
CMR
SMR
Release year
2019
2016
2020
2020
2019
2017
2016
Operational Power Consumption (min-max)
6.3 - 10 W
3.95 - 4.8 W
7.6 - 8.8 W
5.3 - 9.4 W
5 - 14.6 W
3.9 - 5.1 W
3.4 - 5.3 W
Power consumption (standby)
5 W
0.5 W
0.6 W
0.4 W
1.25 W
1 W
0.3 W
0.8 W
Advanced Format (AF)
512e
512e
512e
512e
512e
512e
4Kn
4Kn
Internal transfer rate
48 MB/s
261 MB/s
263.38 MB/s
200 MB/s
270 MB/s
260 MB/s
250 MB/s
220 MB/s
190 MB/s
Mean Time Between Failure (MTBF)
330000 h
2500000 h
1000000 h
1200000 h
1000000 h
2500000 h
1200000 h
1200000 h
1000000 h
1000000 h
Number of disks (platters)
1 ​
9 ​
3 ​
5 ​
9 ​
9 ​
1 ​
4 ​
Rotational speed
5400 RPM
7200 RPM
5900 RPM
7200 RPM
5400 RPM
7200 RPM
7200 RPM
7200 RPM
7200 RPM
5400 RPM
5400 RPM
Storage capacity
0.04 TB
16 TB
4 TB
8 TB
4 TB
18 TB
18 TB
16 TB
2 TB
6 TB
8 TB
Price/TB
2350 £/TB
14.94 £/TB
20.5 £/TB
21.25 £/TB
21.5 £/TB
16.11 £/TB
17.56 £/TB
21.69 £/TB
20.5 £/TB
23.83 £/TB
19.75 £/TB
Unrecoverable Read Error (URE)
1 per 10^14
1 per 10^15
1 per 10^14
1 per 10^15
1 per 10^15
1 per 10^15
1 per 10^15
1 per 10^15
1 per 10^14