Product comparison · 2 memory modules

Dell 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC vs HP VH638AA memory module

4specifications compared
3differ
1identical
10known for one product only

Key differences

Internal memory
- 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:8 GB
- VH638AA memory module:4 GB
Internal memory type
- 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:DDR2
- VH638AA memory module:DDR3
Memory clock speed
- 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC:667 MHz
- VH638AA memory module:1333 MHz

Side by side

Differences highlightedShow differences only

Comparison of 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC, VH638AA
14 specifications	A Dell 8GB (2x4GB), DDR II SDRAM, 667MHz, PowerEdge 2900, ECC View product	B HP VH638AA memory module Model VH638AA View product
Features3 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Internal memory typeDiffers	DDR2	DDR3
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
Memory clock speedDiffers	667 MHz	1333 MHz
ECCKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 2000, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows XP Home, Windows XP Professional, Windows XP Professional x64
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	30 mm
DepthKnown for one	Unknown — not stated by the source	133 mm
HeightKnown for one	Unknown — not stated by the source	4 mm
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Size (imperial)Known for one	Unknown — not stated by the source	3 cm (1.18")
Number of pinsKnown for one	240	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.

More memory module comparisons

All memory module comparisons