Product comparison · 2 memory modules

Fujitsu Memory 2GB 2x1GB DDR2-667 PC2-5300 rg ECC vs Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8

Key differences

Internal memory
- Memory 2GB 2x1GB DDR2-667 PC2-5300 rg ECC:2 GB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:4 GB
Memory layout (modules x size)
- Memory 2GB 2x1GB DDR2-667 PC2-5300 rg ECC:2 x 1 GB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:2 x 2 GB

Differences highlightedShow differences only

Comparison of Memory 2GB 2x1GB DDR2-667 PC2-5300 rg ECC, 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8
20 specifications	A Fujitsu Memory 2GB 2x1GB DDR2-667 PC2-5300 rg ECC View product	B Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyKnown for one	Unknown — not stated by the source	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	Parity
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	2 x 2048 MB

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.