Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 vs Lenovo 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory

5specifications compared
2differ
3identical
19known for one product only

Key differences

Internal memory
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:4 GB
- 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory:2 GB
CAS latency
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:5
- 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory:4

Side by side

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4, 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory
24 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 View product	B Lenovo 2GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory View product
Features2 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyDiffers	5	4
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationKnown for one	512M X 72	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Lead plating	Gold	Gold
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	667 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	1 x 4096 MB	Unknown — not stated by the source
Number of pinsKnown for one	Unknown — not stated by the source	240
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	134 mm
DepthKnown for one	Unknown — not stated by the source	30 mm
HeightKnown for one	Unknown — not stated by the source	4 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.

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