Product comparison · 2 memory modules

Samsung M391B5273DH0-CH9 memory module vs Samsung M393B5270DH0-CF809 memory module

Key differences

Memory clock speed
- M391B5273DH0-CH9 memory module:1333 MHz
- M393B5270DH0-CF809 memory module:1066 MHz
Buffered memory type
- M391B5273DH0-CH9 memory module:Unregistered (unbuffered)
- M393B5270DH0-CF809 memory module:Registered (buffered)
Memory voltage
- M391B5273DH0-CH9 memory module:1.35,1.5 V
- M393B5270DH0-CF809 memory module:1.5 V

Differences highlightedShow differences only

Comparison of M391B5273DH0-CH9, M393B5270DH0-CF809
16 specifications	A Samsung M391B5273DH0-CH9 memory module Model M391B5273DH0-CH9 View product	B Samsung M393B5270DH0-CF809 memory module Model M393B5270DH0-CF809 View product
Features3 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	1 x 4 GB	1 x 4 GB
Internal memory type	DDR3	DDR3
Memory form factor	240-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyKnown for one	Unknown — not stated by the source	7
Memory clock speedDiffers	1333 MHz	1066 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.35,1.5 V	1.5 V
SPD profileKnown for one	Unknown — not stated by the source	Yes
Component forKnown for one	PC/Server	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Module configurationKnown for one	256M x 8	Unknown — not stated by the source
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	30 mm
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	512Mx72

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.