Product comparison · 2 memory modules

Samsung M393A1G40EB1-CTD memory module vs Samsung M393A8K40B21-CWD memory module

10specifications compared
4differ
6identical
6known for one product only

Key differences

Internal memory
- M393A1G40EB1-CTD memory module:8 GB
- M393A8K40B21-CWD memory module:64 GB
Memory layout (modules x size)
- M393A1G40EB1-CTD memory module:1 x 8 GB
- M393A8K40B21-CWD memory module:1 x 64 GB
Buffered memory type
- M393A1G40EB1-CTD memory module:Registered (buffered)
- M393A8K40B21-CWD memory module:Unregistered (unbuffered)
Memory ranking
- M393A1G40EB1-CTD memory module:1
- M393A8K40B21-CWD memory module:4

Side by side

Differences highlightedShow differences only

Comparison of M393A1G40EB1-CTD, M393A8K40B21-CWD
16 specifications	A Samsung M393A1G40EB1-CTD memory module Model M393A1G40EB1-CTD View product	B Samsung M393A8K40B21-CWD memory module Model M393A8K40B21-CWD View product
Features4 differ
Internal memoryDiffers	8 GB	64 GB
Memory layout (modules x size)Differs	1 x 8 GB	1 x 64 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	Registered (buffered)	Unregistered (unbuffered)
Memory rankingDiffers	1	4
Memory voltage	1.2 V	1.2 V
Module configurationKnown for one	Unknown — not stated by the source	8192M x 72
Product colourKnown for one	Unknown — not stated by the source	Black, Green
Cooling typeKnown for one	Unknown — not stated by the source	Cooler
ECCKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	31.2 mm

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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