Product comparison · 2 memory modules

Samsung 64GB DDR4 2133MHz vs Samsung M391B5273DH0-YH9 memory module

Key differences

Internal memory
- 64GB DDR4 2133MHz:64 GB
- M391B5273DH0-YH9 memory module:4 GB
Internal memory type
- 64GB DDR4 2133MHz:DDR4
- M391B5273DH0-YH9 memory module:DDR3L
Memory form factor
- 64GB DDR4 2133MHz:288-pin DIMM
- M391B5273DH0-YH9 memory module:240-pin DIMM
CAS latency
- 64GB DDR4 2133MHz:17
- M391B5273DH0-YH9 memory module:9
Memory clock speed
- 64GB DDR4 2133MHz:2133 MHz
- M391B5273DH0-YH9 memory module:1333 MHz
Buffered memory type
- 64GB DDR4 2133MHz:Registered (buffered)
- M391B5273DH0-YH9 memory module:Unregistered (unbuffered)
Memory voltage
- 64GB DDR4 2133MHz:1.2 V
- M391B5273DH0-YH9 memory module:1.35 V
Module configuration
- 64GB DDR4 2133MHz:8192M x 72
- M391B5273DH0-YH9 memory module:512M x 72

Differences highlightedShow differences only

Comparison of 64GB DDR4 2133MHz, M391B5273DH0-YH9
20 specifications	A Samsung 64GB DDR4 2133MHz View product	B Samsung M391B5273DH0-YH9 memory module Model M391B5273DH0-YH9 View product
Features8 differ
Internal memoryDiffers	64 GB	4 GB
Internal memory typeDiffers	DDR4	DDR3L
Component for	PC/Server	PC/Server
Memory form factorDiffers	288-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	17	9
Memory clock speedDiffers	2133 MHz	1333 MHz
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory voltageDiffers	1.2 V	1.35 V
Module configurationDiffers	8192M x 72	512M x 72
Row cycle timeKnown for one	15 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	15 ns	Unknown — not stated by the source
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory rankingKnown for one	Unknown — not stated by the source	2
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Sustainabilityidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	133.3 mm	Unknown — not stated by the source
DepthKnown for one	3.9 mm	Unknown — not stated by the source
HeightDiffers	31.2 mm	30 mm
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.