Product comparison · 2 memory modules

Kingston Technology 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x8 vs Kingston Technology 2GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8

Key differences

Internal memory
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x8:1 GB
- 2GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:2 GB
CAS latency
- 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x8:5
- 2GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8:4

Differences highlightedShow differences only

Comparison of 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x8, 2GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8
19 specifications	A Kingston Technology 1GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x8 View product	B Kingston Technology 2GB 533MHz DDR2 ECC Registered CL4 DIMM Dual Rank, x8 View product
Features2 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (modules x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
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	1	Unknown — not stated by the source
Memory voltage	1.8 V	1.8 V
Module configurationKnown for one	128M X 72	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	Parity	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	1024 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 1024 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.