Product comparison · 2 memory modules

Goodram 4GB DDR2-800 vs HP A2Z51AA memory module

Key differences

Internal memory
- 4GB DDR2-800:4 GB
- A2Z51AA memory module:8 GB
Memory layout (modules x size)
- 4GB DDR2-800:2 x 2 GB
- A2Z51AA memory module:1 x 8 GB
Internal memory type
- 4GB DDR2-800:DDR2
- A2Z51AA memory module:DDR3
Memory form factor
- 4GB DDR2-800:244-pin MiniDIMM
- A2Z51AA memory module:240-pin DIMM
ECC
- 4GB DDR2-800:No
- A2Z51AA memory module:Yes
Memory clock speed
- 4GB DDR2-800:800 MHz
- A2Z51AA memory module:1600 MHz

Differences highlightedShow differences only

Comparison of 4GB DDR2-800, A2Z51AA
17 specifications	A Goodram 4GB DDR2-800 View product	B HP A2Z51AA memory module Model A2Z51AA View product
Features6 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 8 GB
Internal memory typeDiffers	DDR2	DDR3
Memory form factorDiffers	244-pin MiniDIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyKnown for one	5	Unknown — not stated by the source
Memory clock speedDiffers	800 MHz	1600 MHz
Buffered memory typeKnown for one	Unregistered (unbuffered)	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageKnown for one	1.8 V	Unknown — not stated by the source
Module configurationKnown for one	128M x 8	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
DepthKnown for one	1.27 mm	Unknown — not stated by the source
HeightKnown for one	30 mm	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	DIMM	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.