Product comparison · 2 memory modules

Kingston Technology 4GB DDR2-667 Dual Rank Kit vs Kingston Technology 512MB, 800MHZ, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 64M X 72

6specifications compared
2differ
4identical
15known for one product only

Key differences

Internal memory
- 4GB DDR2-667 Dual Rank Kit:4 GB
- 512MB, 800MHZ, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 64M X 72:0.5 GB
Internal memory type
- 4GB DDR2-667 Dual Rank Kit:DRAM
- 512MB, 800MHZ, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 64M X 72:DDR2

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2-667 Dual Rank Kit, 512MB, 800MHZ, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 64M X 72
21 specifications	A Kingston Technology 4GB DDR2-667 Dual Rank Kit View product	B Kingston Technology 512MB, 800MHZ, SDRAM-DDR2, 1.8V, CL5, FBGA, Gold, ECC, 64M X 72 View product
Features2 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Internal memory typeDiffers	DRAM	DDR2
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	2	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
ECCKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Chips organisationKnown for one	X4	Unknown — not stated by the source
CompatibilityKnown for one	408853-B21 (HP); EV283AA (HP)	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	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	Unknown — not stated by the source
Processor frequencyKnown for one	Unknown — not stated by the source	800 MHz

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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