Product comparison · 2 memory modules

Kingston Technology 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 vs Kingston Technology 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC

7specifications compared
2differ
5identical
12known for one product only

Key differences

The Kingston Technology 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC has 2 GB more internal memory than the Kingston Technology 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 (4 GB vs 2 GB). The Kingston Technology 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 has 1 more CAS latency than the Kingston Technology 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC (5 vs 4).

Internal memory
- 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:2 GB
- 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC:4 GB
CAS latency
- 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4:5
- 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC:4

Side by side

Differences highlightedShow differences only

Comparison of 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4, 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC
19 specifications	A Kingston Technology 2GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM Single Rank, x4 View product	B Kingston Technology 4 GB(2 x 2GB), DIMM 240-pin, DDR II, 533 MHz, CL4, 1.8 V, 256M X 72, ECC View product
Features2 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Known for one	1 x 2 GB	Unknown — not stated by the source
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
Module configurationKnown for one	256M X 72	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	X4	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	2048 MB	Unknown — not stated by the source
Memory layoutKnown for one	1 x 2048 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.

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