Product comparison · 2 memory modules

HyperX Memory Black 8GB DDR4 2666MHz vs Kingston Technology 16 GB DDR4 2133 MHz ECC DIMM

20specifications compared
10differ
10identical
14known for one product only

Key differences

Internal memory
- Memory Black 8GB DDR4 2666MHz:8 GB
- 16 GB DDR4 2133 MHz ECC DIMM:16 GB
Memory layout (modules x size)
- Memory Black 8GB DDR4 2666MHz:1 x 8 GB
- 16 GB DDR4 2133 MHz ECC DIMM:4 x 4 GB
ECC
- Memory Black 8GB DDR4 2666MHz:No
- 16 GB DDR4 2133 MHz ECC DIMM:Yes
Memory bus
- Memory Black 8GB DDR4 2666MHz:64 bit
- 16 GB DDR4 2133 MHz ECC DIMM:72 bit
Buffered memory type
- Memory Black 8GB DDR4 2666MHz:Unregistered (unbuffered)
- 16 GB DDR4 2133 MHz ECC DIMM:Registered (buffered)
Memory ranking
- Memory Black 8GB DDR4 2666MHz:2
- 16 GB DDR4 2133 MHz ECC DIMM:1
Module configuration
- Memory Black 8GB DDR4 2666MHz:1024M x 64
- 16 GB DDR4 2133 MHz ECC DIMM:512M X 72
Row cycle time
- Memory Black 8GB DDR4 2666MHz:45 ns
- 16 GB DDR4 2133 MHz ECC DIMM:47.05 ns

Side by side

Differences highlightedShow differences only

Comparison of Memory Black 8GB DDR4 2666MHz, 16 GB DDR4 2133 MHz ECC DIMM
34 specifications	A HyperX Memory Black 8GB DDR4 2666MHz View product	B Kingston Technology 16 GB DDR4 2133 MHz ECC DIMM View product
Features9 differ
Internal memoryDiffers	8 GB	16 GB
Memory layout (modules x size)Differs	1 x 8 GB	4 x 4 GB
Internal memory type	DDR4	DDR4
Component for	PC/Server	PC/Server
Memory form factor	288-pin DIMM	288-pin DIMM
ECCDiffers	No	Yes
CAS latency	15	15
Memory clock speedKnown for one	2666 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingDiffers	2	1
Memory voltage	1.2 V	1.2 V
Module configurationDiffers	1024M x 64	512M X 72
Row cycle timeDiffers	45 ns	47.05 ns
Refresh row cycle time	260 ns	260 ns
Row active timeDiffers	26.25 ns	33 ns
Memory typeKnown for one	PC-21300	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Lead plating	Gold	Gold
SPD profileKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-55 - 100 °C	-55 - 100 °C
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
Width	133.3 mm	133.3 mm
DepthKnown for one	7.1 mm	Unknown — not stated by the source
HeightDiffers	34 mm	31.2 mm
Packaging dataidentical
Package typeKnown for one	DIMM	Unknown — not stated by the source
Other featuresidentical
Number of pinsKnown for one	288	Unknown — not stated by the source
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	2133 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Internal memoryKnown for one	Unknown — not stated by the source	16384 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 x 4096 MB

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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