Product comparison · 2 memory modules

Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 vs Kingston Technology 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V

6specifications compared
2differ
4identical
4known for one product only

Key differences

The Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 has 1.5 GB more internal memory than the Kingston Technology 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V (2 GB vs 0.5 GB). The Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 has 2 more CAS latency than the Kingston Technology 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V (5 vs 3).

Internal memory
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:2 GB
- 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V:0.5 GB
CAS latency
- 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4:5
- 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V:3

Side by side

Differences highlightedShow differences only

Comparison of 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4, 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V
10 specifications	A Kingston Technology 2GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM Dual Rank, x4 View product	B Kingston Technology 512 MB ( 2 x 256 MB ), DIMM 240-pin, DDR II, 400 MHz / PC2-3200, CL3, 1.8 V View product
Features2 differ
Internal memoryDiffers	2 GB	0.5 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	5	3
Memory busKnown for one	72 bit	Unknown — not stated by the source
Memory voltage	1.8 V	1.8 V
Lead platingKnown for one	Unknown — not stated by the source	Gold
Other featuresidentical
Special featuresKnown for one	JEDEC Standard:R/C H AMD	Unknown — not stated by the source
Data transfer rateKnown for one	667 Mbit/s	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.

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