Product comparison · 2 memory modules

Samsung M378B51730EB-CK0 memory module vs Samsung M391A1G43EB1-CPB memory module

Key differences

Internal memory
- M378B51730EB-CK0 memory module:4 GB
- M391A1G43EB1-CPB memory module:8 GB
Memory layout (modules x size)
- M378B51730EB-CK0 memory module:1 x 4 GB
- M391A1G43EB1-CPB memory module:1 x 8 GB
Internal memory type
- M378B51730EB-CK0 memory module:DDR3
- M391A1G43EB1-CPB memory module:DDR4
Memory form factor
- M378B51730EB-CK0 memory module:240-pin DIMM
- M391A1G43EB1-CPB memory module:288-pin DIMM
CAS latency
- M378B51730EB-CK0 memory module:11
- M391A1G43EB1-CPB memory module:15
Memory clock speed
- M378B51730EB-CK0 memory module:1600 MHz
- M391A1G43EB1-CPB memory module:2133 MHz

Differences highlightedShow differences only

Comparison of M378B51730EB-CK0, M391A1G43EB1-CPB
12 specifications	A Samsung M378B51730EB-CK0 memory module Model M378B51730EB-CK0 View product	B Samsung M391A1G43EB1-CPB memory module Model M391A1G43EB1-CPB View product
Features6 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Internal memory typeDiffers	DDR3	DDR4
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECCKnown for one	Unknown — not stated by the source	Yes
CAS latencyDiffers	11	15
Memory clock speedDiffers	1600 MHz	2133 MHz
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageKnown for one	Unknown — not stated by the source	1.2 V
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.