Product comparison · 2 memory modules

Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 INTEL vs Kingston Technology Memory 4 GB ( 2 x 2 GB ) DIMM 240-pin

Key differences

Internal memory
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 INTEL:8 GB
- Memory 4 GB ( 2 x 2 GB ) DIMM 240-pin:4 GB
Memory layout (modules x size)
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 INTEL:1 x 8 GB
- Memory 4 GB ( 2 x 2 GB ) DIMM 240-pin:2 x 2 GB

Differences highlightedShow differences only

Comparison of 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 INTEL, Memory 4 GB ( 2 x 2 GB ) DIMM 240-pin
19 specifications	A Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 INTEL View product	B Kingston Technology Memory 4 GB ( 2 x 2 GB ) DIMM 240-pin View product
Features2 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (modules x size)Differs	1 x 8 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
ECC	Yes	Yes
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
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	1024M X 72	Unknown — not stated by the source
Memory type	DDR2	DDR2
Lead platingKnown for one	Gold	Unknown — not stated by the source
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
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	8192 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 8192 MB	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.