Product comparison · 2 memory modules

HP 4GB DDR2-400 vs HP 512MB 400MHz

4specifications compared
2differ
2identical
7known for one product only

Key differences

The HP 4GB DDR2-400 has 3.5 GB more internal memory than the HP 512MB 400MHz (4 GB vs 0.5 GB). Memory layout (modules x size): 2 x 2 GB on the HP 4GB DDR2-400, 1 x 0.5 GB on the HP 512MB 400MHz.

Internal memory
- 4GB DDR2-400:4 GB
- 512MB 400MHz:0.5 GB
Memory layout (modules x size)
- 4GB DDR2-400:2 x 2 GB
- 512MB 400MHz:1 x 0.5 GB

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2-400, 512MB 400MHz
11 specifications	A HP 4GB DDR2-400 View product	B HP 512MB 400MHz View product
Features2 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 0.5 GB
Component for	PC/Server	PC/Server
Memory clock speed	400 MHz	400 MHz
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	171.4 mm
DepthKnown for one	Unknown — not stated by the source	63.5 mm
HeightKnown for one	Unknown — not stated by the source	111 mm
WeightKnown for one	Unknown — not stated by the source	31.2 g

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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