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WD Purple WD80PUZX 128MB 8TB vs. Seagate IronWolf ST8000VN004 256MB 8TB + 9

WD Purple WD80PUZX 128MB 8TB

WD Purple WD80PUZX 128MB 8TB

$493.91

Unknown delivery cost
Seagate IronWolf ST8000VN004 256MB 8TB

Seagate IronWolf ST8000VN004 256MB 8TB

Full Star 1Full Star 2Full Star 3Empty Star 4Empty Star 5
2.9

$372.00

$397.67 incl. shipping
Seagate Exos X16 ST16000NM001G 256MB 16TB

Seagate Exos X16 ST16000NM001G 256MB 16TB

Full Star 1Full Star 2Full Star 3Empty Star 4Empty Star 5
2.8

$655.50

$927.36 incl. shipping
Seagate Barracuda ST6000DM003 256MB 6TB

Seagate Barracuda ST6000DM003 256MB 6TB

$223.00

$235.00 incl. shipping
Seagate Barracuda ST4000DM004 256MB 4TB

Seagate Barracuda ST4000DM004 256MB 4TB

Full Star 1Full Star 2Full Star 3Full Star 4Empty Star 5
3.8

$153.00

$154.00 incl. shipping
Seagate Barracuda ST8000DM004 256MB 8TB

Seagate Barracuda ST8000DM004 256MB 8TB

Full Star 1Full Star 2Full Star 3Empty Star 4Empty Star 5
2.7

$274.54

$288.00 incl. shipping
WD Red Plus NAS WD40EFZX 128MB 4TB

WD Red Plus NAS WD40EFZX 128MB 4TB

$190.99

$197.42 incl. shipping
Seagate Exos X18 ST18000NM000J 256MB 18TB

Seagate Exos X18 ST18000NM000J 256MB 18TB

$845.25

$1,050.30 incl. shipping
Noise level
20 - 29 dB
28 - 32 dB
28 - 34 dB
28 - 34 dB
23 - 26 dB
22 - 27 dB
22 - 27 dB
26 - 28 dB
20 - 36 dB
28 - 34 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
140 mm
146.99 mm
147 mm
147 mm
147 mm
146.99 mm
146.99 mm
146.99 mm
147 mm
146.99 mm
147 mm
Height
26.1 mm
26.11 mm
26.11 mm
26.1 mm
26.1 mm
20.17 mm
26.1 mm
20.2 mm
26.1 mm
26.11 mm
26.1 mm
Width
101.6 mm
101.85 mm
101.85 mm
101.8 mm
101.6 mm
101.6 mm
101.8 mm
101.85 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
NAS-optimized
NAS-optimized
NAS-optimized
NAS-optimized
NAS-optimized
NAS-optimized
Cache size
128 MB
256 MB
256 MB
256 MB
256 MB
256 MB
256 MB
256 MB
512 MB
128 MB
256 MB
Hybrid disk (SSHD)
No
No
No
No
No
No
No
No
No
No
Recording technology
CMR
CMR
CMR
SMR
SMR
SMR
SMR
CMR
CMR
CMR
Release year
2016
2019
2019
2017
2017
2016
2017
2019
2020
Operational Power Consumption (min-max)
6.4 W
7.6 - 8.8 W
6.2 - 10 W
6.3 - 10 W
3.4 - 5.3 W
0.25 - 3.7 W
3.4 - 5.3 W
3.9 - 5.1 W
5.5 - 6 W
5.3 - 9.4 W
Power consumption (standby)
5.7 W
0.6 W
5 W
5 W
0.25 W
0.25 W
0.8 W
0.3 W
0.4 W
Advanced Format (AF)
512e
512e
512e
512e
4Kn
4Kn
512e
512e
Internal transfer rate
178 MB/s
200 MB/s
261 MB/s
261 MB/s
185 MB/s
190 MB/s
190 MB/s
220 MB/s
267 MB/s
270 MB/s
Mean Time Between Failure (MTBF)
1000000 h
1200000 h
2500000 h
2500000 h
1000000 h
1000000 h
2500000 h
1000000 h
2500000 h
Number of disks (platters)
5 ​
9 ​
3 ​
2 ​
4 ​
1 ​
8 ​
9 ​
Rotational speed
5400 RPM
7200 RPM
7200 RPM
7200 RPM
5400 RPM
5400 RPM
5400 RPM
7200 RPM
7200 RPM
5400 RPM
7200 RPM
Storage capacity
8 TB
8 TB
14 TB
16 TB
6 TB
4 TB
8 TB
2 TB
14 TB
4 TB
18 TB
Price/TB
61.75 $/TB
46.5 $/TB
63.86 $/TB
41 $/TB
37.17 $/TB
38.25 $/TB
34.38 $/TB
44.5 $/TB
39.64 $/TB
47.75 $/TB
46.94 $/TB
Unrecoverable Read Error (URE)
1 per 10^14
1 per 10^15
1 per 10^15
1 per 10^15
1 per 10^14
1 per 10^14
1 per 10^14
1 per 10^15
1 per 10^15
1 per 10^15