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Product comparison · 2 memory modules

Dell 4GB DDR3 1066MHz vs HP 405476-051 memory module

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

Key differences

Internal memory
- 4GB DDR3 1066MHz:4 GB
- 405476-051 memory module:2 GB
Memory layout (modules x size)
- 4GB DDR3 1066MHz:1 x 4 GB
- 405476-051 memory module:1 x 2 GB
Internal memory type
- 4GB DDR3 1066MHz:DDR3
- 405476-051 memory module:DDR2
Memory clock speed
- 4GB DDR3 1066MHz:1066 MHz
- 405476-051 memory module:667 MHz

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR3 1066MHz, 405476-051
12 specifications	A Dell 4GB DDR3 1066MHz View product	B HP 405476-051 memory module Model 405476-051 View product
Features4 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 2 GB
Internal memory typeDiffers	DDR3	DDR2
Component for	PC/Server	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Yes	Unknown — not stated by the source
CAS latencyKnown for one	9	Unknown — not stated by the source
Memory clock speedDiffers	1066 MHz	667 MHz
Product colourKnown for one	Green	Unknown — not stated by the source
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.5 V

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.