Product comparison · 2 memory modules

Kingston Technology 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8 vs Kingston Technology 2GB DDR2-533 Non-ECC

Key differences

Internal memory
- 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8:1 GB
- 2GB DDR2-533 Non-ECC:2 GB
ECC
- 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8:Yes
- 2GB DDR2-533 Non-ECC:No
CAS latency
- 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8:5
- 2GB DDR2-533 Non-ECC:4
Memory bus
- 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8:72 bit
- 2GB DDR2-533 Non-ECC:64 bit

Differences highlightedShow differences only

Comparison of 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8, 2GB DDR2-533 Non-ECC
16 specifications	A Kingston Technology 1GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x8 View product	B Kingston Technology 2GB DDR2-533 Non-ECC View product
Features4 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
CAS latencyDiffers	5	4
Memory busDiffers	72 bit	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Module configurationKnown for one	Unknown — not stated by the source	256M X 64
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead plating	Gold	Gold
Check widthKnown for one	8 bit	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	533 MHz
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Number of pinsKnown for one	240	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.