Product comparison · 2 memory modules

Kingston Technology 2GB DDR2-667 ECC vs Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4

Key differences

Internal memory
- 2GB DDR2-667 ECC:2 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:8 GB
Memory layout (modules x size)
- 2GB DDR2-667 ECC:1 x 2 GB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:2 x 4 GB
Buffered memory type
- 2GB DDR2-667 ECC:Unregistered (unbuffered)
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:Registered (buffered)
Module configuration
- 2GB DDR2-667 ECC:256M X 72
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:512M X 72
Internal memory
- 2GB DDR2-667 ECC:2048 MB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:8192 MB
Memory layout
- 2GB DDR2-667 ECC:1 x 2048 MB
- 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:2 x 4096 MB

Differences highlightedShow differences only

Comparison of 2GB DDR2-667 ECC, 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4
20 specifications	A Kingston Technology 2GB DDR2-667 ECC View product	B Kingston Technology 8GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 View product
Features4 differ
Internal memoryDiffers	2 GB	8 GB
Memory layout (modules x size)Differs	1 x 2 GB	2 x 4 GB
Internal memory type	DDR2	DDR2
ECC	Yes	Yes
CAS latency	5	5
Memory bus	72 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltage	1.8 V	1.8 V
Module configurationDiffers	256M X 72	512M X 72
Memory type	DDR2	DDR2
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Other features2 differ
Chips organisationKnown for one	Unknown — not stated by the source	X4
Bus clock rate	667 MHz	667 MHz
Error indication	ECC	ECC
Form factor	240-pin DIMM	240-pin DIMM
Internal memoryDiffers	2048 MB	8192 MB
Memory layoutDiffers	1 x 2048 MB	2 x 4096 MB
CompatibilityKnown for one	A0740237 (DELL); A0744012 (DELL); A0763261 (DELL); A0821568 (DELL); A0821569 (DELL); A0958408 (DELL); A1229332 (DELL); A1229333 (DELL); A1312842 (DELL); A1355833 (DELL); A1355839 (DELL)	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.