HP VH638AA memory module vs Kingston Technology 4GB 1333MHz ECC

Comparison of VH638AA, 4GB 1333MHz ECC

29 specifications	A HP VH638AA memory module Model VH638AA View product	B Kingston Technology 4GB 1333MHz ECCView product
Featuresidentical
Internal memory	4 GB	4 GB
Memory layout (modules x size)	1 x 4 GB	1 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 rankingKnown for one	—Unknown — not stated by the source	2
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	A3132552 (DELL); A3132555 (DELL)
Bus clock rateKnown for one	—Unknown — not stated by the source	1333 MHz
Country of originKnown for one	—Unknown — not stated by the source	United States
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	4096 MB
Memory layoutKnown for one	—Unknown — not stated by the source	1 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.