Product comparison · 2 memory modules

HP 310479-B21 memory module vs HP 393393-001 memory module

5specifications compared
4differ
1identical
6known for one product only

Key differences

Memory layout (modules x size)
- 310479-B21 memory module:2 x 0.5 GB
- 393393-001 memory module:1 x 0.5 GB
Internal memory type
- 310479-B21 memory module:DDR
- 393393-001 memory module:DDR2
ECC
- 310479-B21 memory module:Yes
- 393393-001 memory module:No
Memory clock speed
- 310479-B21 memory module:266 MHz
- 393393-001 memory module:533 MHz

Side by side

Differences highlightedShow differences only

Comparison of 310479-B21, 393393-001
11 specifications	A HP 310479-B21 memory module Model 310479-B21 View product	B HP 393393-001 memory module Model 393393-001 View product
Features4 differ
Memory layout (modules x size)Differs	2 x 0.5 GB	1 x 0.5 GB
Internal memory typeDiffers	DDR	DDR2
Component forKnown for one	PC/Server	Unknown — not stated by the source
ECCDiffers	Yes	No
CAS latencyKnown for one	2.5	Unknown — not stated by the source
Memory clock speedDiffers	266 MHz	533 MHz
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Number of pinsKnown for one	Unknown — not stated by the source	240

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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