Product comparison · 2 internal hard drives

Seagate SkyHawk AI ST20000VE004 internal hard drive vs Seagate S-series ST4000NC000-RF internal hard drive

15specifications compared
9differ
6identical
19known for one product only

Key differences

The Seagate SkyHawk AI ST20000VE004 internal hard drive has 16 TB more HDD capacity than the Seagate S-series ST4000NC000-RF internal hard drive (20 TB vs 4 TB). The Seagate SkyHawk AI ST20000VE004 internal hard drive has 1,300 RPM more HDD speed than the Seagate S-series ST4000NC000-RF internal hard drive (7200 RPM vs 5900 RPM). The Seagate SkyHawk AI ST20000VE004 internal hard drive has 448 MB more storage drive buffer size than the Seagate S-series ST4000NC000-RF internal hard drive (512 MB vs 64 MB). Operating temperature (T-T): 0 - 65 °C on the Seagate SkyHawk AI ST20000VE004 internal hard drive, 5 - 60 °C on the Seagate S-series ST4000NC000-RF internal hard drive.

HDD capacity
- SkyHawk AI ST20000VE004 internal hard drive:20 TB
- S-series ST4000NC000-RF internal hard drive:4 TB
HDD speed
- SkyHawk AI ST20000VE004 internal hard drive:7200 RPM
- S-series ST4000NC000-RF internal hard drive:5900 RPM
Storage drive buffer size
- SkyHawk AI ST20000VE004 internal hard drive:512 MB
- S-series ST4000NC000-RF internal hard drive:64 MB
Mean time between failures (MTBF)
- SkyHawk AI ST20000VE004 internal hard drive:2500000 h
- S-series ST4000NC000-RF internal hard drive:800000 h
Power consumption (typical)
- SkyHawk AI ST20000VE004 internal hard drive:8.2 W
- S-series ST4000NC000-RF internal hard drive:6.49 W
Power consumption (standby)
- SkyHawk AI ST20000VE004 internal hard drive:1.2 W
- S-series ST4000NC000-RF internal hard drive:0.77 W
Power consumption (idle)
- SkyHawk AI ST20000VE004 internal hard drive:6.7 W
- S-series ST4000NC000-RF internal hard drive:4.59 W
Operating temperature (T-T)
- SkyHawk AI ST20000VE004 internal hard drive:0 - 65 °C
- S-series ST4000NC000-RF internal hard drive:5 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of ST20000VE004, ST4000NC000-RF
34 specifications	A Seagate SkyHawk AI ST20000VE004 internal hard drive Model ST20000VE004 View product	B Seagate S-series ST4000NC000-RF internal hard drive Model ST4000NC000-RF View product
Features4 differ
HDD capacityDiffers	20 TB	4 TB
HDD speedDiffers	7200 RPM	5900 RPM
Storage drive buffer sizeDiffers	512 MB	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Differs	2500000 h	800000 h
Component forKnown for one	Surveillance system	Unknown — not stated by the source
HDD sustained transfer rateKnown for one	229 MiB/s	Unknown — not stated by the source
HDD average transfer rateKnown for one	240 MB/s	Unknown — not stated by the source
Number of AI channelsKnown for one	32	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	8.2 W	6.49 W
Power consumption (standby)Differs	1.2 W	0.77 W
Power consumption (idle)Differs	6.7 W	4.59 W
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 65 °C	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions1 differ
WeightDiffers	695 g	606 g
DepthKnown for one	147 mm	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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