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Product comparison · 2 memory modules

HP 405476-051 memory module vs HP 499277-061 memory module

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

Key differences

Internal memory
- 405476-051 memory module:2 GB
- 499277-061 memory module:4 GB
Memory layout (modules x size)
- 405476-051 memory module:1 x 2 GB
- 499277-061 memory module:1 x 4 GB
Memory clock speed
- 405476-051 memory module:667 MHz
- 499277-061 memory module:800 MHz
Memory ranking
- 405476-051 memory module:2
- 499277-061 memory module:1

Side by side

Differences highlightedShow differences only

Comparison of 405476-051, 499277-061
10 specifications	A HP 405476-051 memory module Model 405476-051 View product	B HP 499277-061 memory module Model 499277-061 View product
Features4 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	1 x 4 GB
Internal memory type	DDR2	DDR2
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
Memory clock speedDiffers	667 MHz	800 MHz
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory rankingDiffers	2	1
Memory voltage	1.5 V	1.5 V
ECCKnown for one	Unknown — not stated by the source	Yes

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.