Product comparison · 2 internal hard drives

HP 861590-B21 internal hard drive vs HP K4T76AT internal hard drive

5specifications compared
2differ
3identical
8known for one product only

Key differences

HDD capacity
- 861590-B21 internal hard drive:8 TB
- K4T76AT internal hard drive:4 TB
Interface
- 861590-B21 internal hard drive:SAS
- K4T76AT internal hard drive:Serial ATA

Side by side

Differences highlightedShow differences only

Comparison of 861590-B21, K4T76AT
13 specifications	A HP 861590-B21 internal hard drive Model 861590-B21 View product	B HP K4T76AT internal hard drive Model K4T76AT View product
Features2 differ
HDD capacityDiffers	8 TB	4 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component for	Server/workstation	Server/workstation
Hot-swapKnown for one	Unknown — not stated by the source	No
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	128 MB
Mean time to failure (MTTF)Known for one	Unknown — not stated by the source	1400000 h
HP segmentKnown for one	Unknown — not stated by the source	Business
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050
Other featuresidentical
Compatible productsKnown for one	Unknown — not stated by the source	Z1 G2, Z230 SFF, Z230 Tower, Z440, Z640 & Z840

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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