Product comparison · 2 memory modules

Kingston Technology 256MB, DDR2, PC400, CL3, ECC vs Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4

6specifications compared
2differ
4identical
8known for one product only

Key differences

The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 has 3.75 GB more internal memory than the Kingston Technology 256MB, DDR2, PC400, CL3, ECC (4 GB vs 0.25 GB). The Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 has 2 more CAS latency than the Kingston Technology 256MB, DDR2, PC400, CL3, ECC (5 vs 3).

Internal memory
- 256MB, DDR2, PC400, CL3, ECC:0.25 GB
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4:4 GB
CAS latency
- 256MB, DDR2, PC400, CL3, ECC:3
- 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4:5

Side by side

Differences highlightedShow differences only

Comparison of 256MB, DDR2, PC400, CL3, ECC, 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4
14 specifications	A Kingston Technology 256MB, DDR2, PC400, CL3, ECC View product	B Kingston Technology 4GB 667MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Single Rank, x4 View product
Features2 differ
Internal memoryDiffers	0.25 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory type	DDR2	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	3	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 voltage	1.8 V	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
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM

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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