Kingston Technology 4GB DDR2 DIMM vs Lenovo 512MB NP DDR2 SDRAM UDIMM

Comparison of 4GB DDR2 DIMM, 512MB NP DDR2 SDRAM UDIMM

27 specifications	A Kingston Technology 4GB DDR2 DIMMView product	B Lenovo 512MB NP DDR2 SDRAM UDIMMView product
Features2 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Known for one	2 x 2 GB	—Unknown — not stated by the source
Component forKnown for one	PC/Server	—Unknown — not stated by the source
CAS latencyDiffers	3	4
Memory busKnown for one	72 bit	—Unknown — not stated by the source
Check widthKnown for one	4 bit	—Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	—Unknown — not stated by the source
Memory rankingKnown for one	1	—Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	—Unknown — not stated by the source
Module configurationKnown for one	256M X 72	—Unknown — not stated by the source
Memory typeKnown for one	DDR2	—Unknown — not stated by the source
Memory clock speedKnown for one	—Unknown — not stated by the source	533 MHz
Other featuresidentical
Chips organisationKnown for one	X4	—Unknown — not stated by the source
Bus clock rateKnown for one	400 MHz	—Unknown — not stated by the source
Error indicationKnown for one	ECC	—Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	—Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	—Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	—Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	0 - 65 °C
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 90%
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	133 mm
DepthKnown for one	—Unknown — not stated by the source	30 mm
HeightKnown for one	—Unknown — not stated by the source	2.7 mm

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.