Product comparison · 2 internal hard drives

HP 857644-B21 internal hard drive vs Seagate Barracuda ST4000LM024-40PK internal hard drive

5specifications compared
4differ
1identical
19known for one product only

Key differences

HDD capacity
- 857644-B21 internal hard drive:10 TB
- Barracuda ST4000LM024-40PK internal hard drive:4 TB
HDD speed
- 857644-B21 internal hard drive:7200 RPM
- Barracuda ST4000LM024-40PK internal hard drive:5400 RPM
HDD size
- 857644-B21 internal hard drive:3.5"
- Barracuda ST4000LM024-40PK internal hard drive:2.5"
Interface
- 857644-B21 internal hard drive:SAS
- Barracuda ST4000LM024-40PK internal hard drive:Serial ATA III

Side by side

Differences highlightedShow differences only

Comparison of 857644-B21, ST4000LM024-40PK
24 specifications	A HP 857644-B21 internal hard drive Model 857644-B21 View product	B Seagate Barracuda ST4000LM024-40PK internal hard drive Model ST4000LM024-40PK View product
Features4 differ
HDD capacityDiffers	10 TB	4 TB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	128 MB
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	1.1 W
Power consumption (read)Known for one	Unknown — not stated by the source	1.9 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.1 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1.2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	300 G
Non-operating shockKnown for one	Unknown — not stated by the source	650 G
Packaging contentidentical
Storage drive adapter includedKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.3 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	190 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	40 pc(s)
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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