Product comparison · 2 memory modules

ADATA 2GB, DDR2, 667MHz, PC2-5300, FB-DIMM, ECC Kit for Apple Mac Pro (2x1GB) vs Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4

Key differences

Internal memory
- 2GB, DDR2, 667MHz, PC2-5300, FB-DIMM, ECC Kit for Apple Mac Pro (2x1GB):2 GB
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:4 GB
Memory layout (modules x size)
- 2GB, DDR2, 667MHz, PC2-5300, FB-DIMM, ECC Kit for Apple Mac Pro (2x1GB):2 x 1 GB
- 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4:1 x 4 GB

Differences highlightedShow differences only

Comparison of 2GB, DDR2, 667MHz, PC2-5300, FB-DIMM, ECC Kit for Apple Mac Pro (2x1GB), 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4
20 specifications	A ADATA 2GB, DDR2, 667MHz, PC2-5300, FB-DIMM, ECC Kit for Apple Mac Pro (2x1GB)View product	B Kingston Technology 4GB, 800MHz, DDR2, ECC Reg w/ Parity CL6 DIMM Dual Rank, x4 View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	2 x 1 GB	1 x 4 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	6
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	512M 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	X4
Bus clock rateKnown for one	Unknown — not stated by the source	800 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	1 x 4096 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.