Product comparison · 2 memory modules

Samsung M391A1K43BB1-CTD memory module vs Samsung M393A2K40CB2-CTD memory module

Key differences

Internal memory
- M391A1K43BB1-CTD memory module:8 GB
- M393A2K40CB2-CTD memory module:16 GB
Memory layout (modules x size)
- M391A1K43BB1-CTD memory module:1 x 8 GB
- M393A2K40CB2-CTD memory module:1 x 16 GB
Buffered memory type
- M391A1K43BB1-CTD memory module:Unregistered (unbuffered)
- M393A2K40CB2-CTD memory module:Registered (buffered)

Differences highlightedShow differences only

Comparison of M391A1K43BB1-CTD, M393A2K40CB2-CTD
16 specifications	A Samsung M391A1K43BB1-CTD memory module Model M391A1K43BB1-CTD View product	B Samsung M393A2K40CB2-CTD memory module Model M393A2K40CB2-CTD View product
Features3 differ
Internal memoryDiffers	8 GB	16 GB
Memory layout (modules x size)Differs	1 x 8 GB	1 x 16 GB
Internal memory type	DDR4	DDR4
Component for	PC/Server	PC/Server
Memory form factor	288-pin DIMM	288-pin DIMM
CAS latency	19	19
Memory clock speed	2666 MHz	2666 MHz
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory ranking	1	1
Memory voltage	1.2 V	1.2 V
Module configurationKnown for one	1024M x 72	Unknown — not stated by the source
Product colour	Black, Green	Black, Green
ECCKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Weight & dimensionsidentical
HeightKnown for one	31.2 mm	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84733020

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.