Product comparison · 2 internal hard drives

Seagate SkyHawk AI ST20000VE004 internal hard drive vs Seagate Enterprise ST8000NM0135-RF internal hard drive

17specifications compared
9differ
8identical
13known for one product only

Key differences

The Seagate SkyHawk AI ST20000VE004 internal hard drive has 12 TB more HDD capacity than the Seagate Enterprise ST8000NM0135-RF internal hard drive (20 TB vs 8 TB). The Seagate SkyHawk AI ST20000VE004 internal hard drive has 256 MB more storage drive buffer size than the Seagate Enterprise ST8000NM0135-RF internal hard drive (512 MB vs 256 MB). The Seagate SkyHawk AI ST20000VE004 internal hard drive has 500,000 h more mean time between failures (MTBF) than the Seagate Enterprise ST8000NM0135-RF internal hard drive (2500000 h vs 2000000 h). Interface: Serial ATA III on the Seagate SkyHawk AI ST20000VE004 internal hard drive, SAS on the Seagate Enterprise ST8000NM0135-RF internal hard drive. Component for: Surveillance system on the Seagate SkyHawk AI ST20000VE004 internal hard drive, Disk array on the Seagate Enterprise ST8000NM0135-RF internal hard drive.

HDD capacity
- SkyHawk AI ST20000VE004 internal hard drive:20 TB
- Enterprise ST8000NM0135-RF internal hard drive:8 TB
Interface
- SkyHawk AI ST20000VE004 internal hard drive:Serial ATA III
- Enterprise ST8000NM0135-RF internal hard drive:SAS
Component for
- SkyHawk AI ST20000VE004 internal hard drive:Surveillance system
- Enterprise ST8000NM0135-RF internal hard drive:Disk array
Storage drive buffer size
- SkyHawk AI ST20000VE004 internal hard drive:512 MB
- Enterprise ST8000NM0135-RF internal hard drive:256 MB
Mean time between failures (MTBF)
- SkyHawk AI ST20000VE004 internal hard drive:2500000 h
- Enterprise ST8000NM0135-RF internal hard drive:2000000 h
Power consumption (typical)
- SkyHawk AI ST20000VE004 internal hard drive:8.2 W
- Enterprise ST8000NM0135-RF internal hard drive:12 W
Power consumption (idle)
- SkyHawk AI ST20000VE004 internal hard drive:6.7 W
- Enterprise ST8000NM0135-RF internal hard drive:8.5 W
Operating temperature (T-T)
- SkyHawk AI ST20000VE004 internal hard drive:0 - 65 °C
- Enterprise ST8000NM0135-RF internal hard drive:5 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of ST20000VE004, ST8000NM0135-RF
30 specifications	A Seagate SkyHawk AI ST20000VE004 internal hard drive Model ST20000VE004 View product	B Seagate Enterprise ST8000NM0135-RF internal hard drive Model ST8000NM0135-RF View product
Features5 differ
HDD capacityDiffers	20 TB	8 TB
InterfaceDiffers	Serial ATA III	SAS
Component forDiffers	Surveillance system	Disk array
Storage drive buffer sizeDiffers	512 MB	256 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	12 Gbit/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Rotational Vibration (RV) sensorsKnown for one	Unknown — not stated by the source	Yes
24/7 operationKnown for one	Unknown — not stated by the source	Yes
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Differs	2500000 h	2000000 h
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
Power2 differ
Power consumption (typical)Differs	8.2 W	12 W
Power consumption (idle)Differs	6.7 W	8.5 W
Power consumption (standby)Known for one	1.2 W	Unknown — not stated by the source
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
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	250 G
Weight & dimensions1 differ
WeightDiffers	695 g	780 g

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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