Product comparison · 2 memory modules

HP 313305-B21 memory module vs HP 393393-001 memory module

Key differences

Internal memory
- 313305-B21 memory module:2 GB
- 393393-001 memory module:0.5 GB
Memory layout (modules x size)
- 313305-B21 memory module:2 x 1 GB
- 393393-001 memory module:1 x 0.5 GB
Internal memory type
- 313305-B21 memory module:DDR
- 393393-001 memory module:DDR2
Memory form factor
- 313305-B21 memory module:184-pin DIMM
- 393393-001 memory module:240-pin DIMM
ECC
- 313305-B21 memory module:Yes
- 393393-001 memory module:No
Memory clock speed
- 313305-B21 memory module:266 MHz
- 393393-001 memory module:533 MHz
Number of pins
- 313305-B21 memory module:184
- 393393-001 memory module:240

Differences highlightedShow differences only

Comparison of 313305-B21, 393393-001
9 specifications	A HP 313305-B21 memory module Model 313305-B21 View product	B HP 393393-001 memory module Model 393393-001 View product
Features6 differ
Internal memoryDiffers	2 GB	0.5 GB
Memory layout (modules x size)Differs	2 x 1 GB	1 x 0.5 GB
Internal memory typeDiffers	DDR	DDR2
Memory form factorDiffers	184-pin DIMM	240-pin DIMM
ECCDiffers	Yes	No
Memory clock speedDiffers	266 MHz	533 MHz
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Packaging dataidentical
Package type	DIMM	DIMM
Other features1 differ
Number of pinsDiffers	184	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.