Product comparison · 2 memory modules

HP VH638AA memory module vs Kingston Technology 12GB 1333MHz ECC KIT

4specifications compared
2differ
2identical
23known for one product only

Key differences

Internal memory
- VH638AA memory module:4 GB
- 12GB 1333MHz ECC KIT:12 GB
Memory layout (modules x size)
- VH638AA memory module:1 x 4 GB
- 12GB 1333MHz ECC KIT:3 x 4 GB

Side by side

Differences highlightedShow differences only

Comparison of VH638AA, 12GB 1333MHz ECC KIT
27 specifications	A HP VH638AA memory module Model VH638AA View product	B Kingston Technology 12GB 1333MHz ECC KIT View product
Features2 differ
Internal memoryDiffers	4 GB	12 GB
Memory layout (modules x size)Differs	1 x 4 GB	3 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyKnown for one	Unknown — not stated by the source	9
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V
Module configurationKnown for one	Unknown — not stated by the source	512M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR3
Lead platingKnown for one	Unknown — not stated by the source	Gold
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
CompatibilityKnown for one	Unknown — not stated by the source	500672-B21 (HP); NL787AV (HP)
Bus clock rateKnown for one	Unknown — not stated by the source	1333 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	12288 MB
Memory layoutKnown for one	Unknown — not stated by the source	3 x 4096 MB
Size (imperial)Known for one	3 cm (1.18")	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Windows 2000, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows XP Home, Windows XP Professional, Windows XP Professional x64	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	30 mm	Unknown — not stated by the source
DepthKnown for one	133 mm	Unknown — not stated by the source
HeightKnown for one	4 mm	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	DIMM	Unknown — not stated by the source

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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