Product comparison · 2 internal hard drives

HP 857644-B21 internal hard drive vs Seagate Enterprise ST1000NM0008 internal hard drive

7specifications compared
3differ
4identical
17known for one product only

Key differences

HDD capacity
- 857644-B21 internal hard drive:10 TB
- Enterprise ST1000NM0008 internal hard drive:1 TB
Interface
- 857644-B21 internal hard drive:SAS
- Enterprise ST1000NM0008 internal hard drive:Serial ATA III
HDD interface transfer rate
- 857644-B21 internal hard drive:12 Gbit/s
- Enterprise ST1000NM0008 internal hard drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 857644-B21, ST1000NM0008
24 specifications	A HP 857644-B21 internal hard drive Model 857644-B21 View product	B Seagate Enterprise ST1000NM0008 internal hard drive Model ST1000NM0008 View product
Features3 differ
HDD capacityDiffers	10 TB	1 TB
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	128 MB
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2000000 h
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	7 W
Power consumption (idle)Known for one	Unknown — not stated by the source	4.7 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	550 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050

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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