Product comparison · 2 internal solid state drives

HP 741159-B21#0D1 vs HP 256GB SED Opal 2 Solid State Drive

5specifications compared
3differ
2identical
7known for one product only

Key differences

SSD capacity
- 741159-B21#0D1:800 GB
- 256GB SED Opal 2 Solid State Drive:256 GB
Interface
- 741159-B21#0D1:SAS
- 256GB SED Opal 2 Solid State Drive:Serial ATA
Security algorithms
- 741159-B21#0D1:Not supported
- 256GB SED Opal 2 Solid State Drive:256-bit AES

Side by side

Differences highlightedShow differences only

Comparison of 741159-B21#0D1, K1Z11AA
12 specifications	A HP 741159-B21#0D1 Model 741159-B21#0D1 View product	B HP 256GB SED Opal 2 Solid State Drive Model K1Z11AA View product
Features3 differ
SSD capacityDiffers	800 GB	256 GB
SSD form factor	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Memory typeKnown for one	Unknown — not stated by the source	MLC
Security algorithmsDiffers	Not supported	256-bit AES
Read speedKnown for one	Unknown — not stated by the source	450 MB/s
Write speedKnown for one	Unknown — not stated by the source	260 MB/s
CertificationKnown for one	Unknown — not stated by the source	TCG Opal 2
Data transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	73 g
Other featuresidentical
Internal	Yes	Yes
Compatible productsKnown for one	Unknown — not stated by the source	HP ProBook 430

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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