Product comparison · 2 memory modules

Samsung M386A8K40BM1-CPB memory module vs Samsung M391B2873EH1-CH9 memory module

Key differences

Internal memory
- M386A8K40BM1-CPB memory module:64 GB
- M391B2873EH1-CH9 memory module:1 GB
Memory layout (modules x size)
- M386A8K40BM1-CPB memory module:1 x 64 GB
- M391B2873EH1-CH9 memory module:1 x 1 GB
Internal memory type
- M386A8K40BM1-CPB memory module:DDR4
- M391B2873EH1-CH9 memory module:DDR3
Memory form factor
- M386A8K40BM1-CPB memory module:288-pin DIMM
- M391B2873EH1-CH9 memory module:240-pin DIMM
CAS latency
- M386A8K40BM1-CPB memory module:15
- M391B2873EH1-CH9 memory module:9
Memory clock speed
- M386A8K40BM1-CPB memory module:2133 MHz
- M391B2873EH1-CH9 memory module:1333 MHz
Memory ranking
- M386A8K40BM1-CPB memory module:4
- M391B2873EH1-CH9 memory module:1
Memory voltage
- M386A8K40BM1-CPB memory module:1.2 V
- M391B2873EH1-CH9 memory module:1.5 V

Differences highlightedShow differences only

Comparison of M386A8K40BM1-CPB, M391B2873EH1-CH9
13 specifications	A Samsung M386A8K40BM1-CPB memory module Model M386A8K40BM1-CPB View product	B Samsung M391B2873EH1-CH9 memory module Model M391B2873EH1-CH9 View product
Features8 differ
Internal memoryDiffers	64 GB	1 GB
Memory layout (modules x size)Differs	1 x 64 GB	1 x 1 GB
Internal memory typeDiffers	DDR4	DDR3
Component for	PC/Server	PC/Server
Memory form factorDiffers	288-pin DIMM	240-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyDiffers	15	9
Memory clock speedDiffers	2133 MHz	1333 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory rankingDiffers	4	1
Memory voltageDiffers	1.2 V	1.5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Other featuresidentical
Doesn't containKnown for one	Halogen	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.