Product comparison · 2 memory modules

HyperX Black 4GB DDR4 2666MHz vs Kingston Technology 4GB DDR4 2133MHz Module

23specifications compared
6differ
17identical
15known for one product only

Key differences

The Kingston Technology 4GB DDR4 2133MHz Module has 2.05 ns more row cycle time than the HyperX Black 4GB DDR4 2666MHz (47.05 ns vs 45 ns). The Kingston Technology 4GB DDR4 2133MHz Module has 6.75 ns more row active time than the HyperX Black 4GB DDR4 2666MHz (33 ns vs 26.25 ns). Buffered memory type: Unregistered (unbuffered) on the HyperX Black 4GB DDR4 2666MHz, Registered (buffered) on the Kingston Technology 4GB DDR4 2133MHz Module. Module configuration: 512M x 64 on the HyperX Black 4GB DDR4 2666MHz, 512M x 72 on the Kingston Technology 4GB DDR4 2133MHz Module. Memory type: PC-21300 on the HyperX Black 4GB DDR4 2666MHz, PC4-17000 on the Kingston Technology 4GB DDR4 2133MHz Module.

Buffered memory type
- Black 4GB DDR4 2666MHz:Unregistered (unbuffered)
- 4GB DDR4 2133MHz Module:Registered (buffered)
Module configuration
- Black 4GB DDR4 2666MHz:512M x 64
- 4GB DDR4 2133MHz Module:512M x 72
Row cycle time
- Black 4GB DDR4 2666MHz:45 ns
- 4GB DDR4 2133MHz Module:47.05 ns
Row active time
- Black 4GB DDR4 2666MHz:26.25 ns
- 4GB DDR4 2133MHz Module:33 ns
Memory type
- Black 4GB DDR4 2666MHz:PC-21300
- 4GB DDR4 2133MHz Module:PC4-17000
Product colour
- Black 4GB DDR4 2666MHz:Black
- 4GB DDR4 2133MHz Module:Green

Side by side

Differences highlightedShow differences only

Comparison of Black 4GB DDR4 2666MHz, 4GB DDR4 2133MHz Module
38 specifications	A HyperX Black 4GB DDR4 2666MHz View product	B Kingston Technology 4GB DDR4 2133MHz Module View product
Features6 differ
Internal memory	4 GB	4 GB
Memory layout (modules x size)	1 x 4 GB	1 x 4 GB
Internal memory type	DDR4	DDR4
Component for	PC/Server	PC/Server
Memory form factor	288-pin DIMM	288-pin DIMM
CAS latency	15	15
Memory clock speedKnown for one	2666 MHz	Unknown — not stated by the source
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory ranking	1	1
Memory voltage	1.2 V	1.2 V
Module configurationDiffers	512M 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
Intel Extreme Memory Profile (XMP)Known for one	Yes	Unknown — not stated by the source
SPD profileKnown for one	Yes	Unknown — not stated by the source
Compatible chipsetsKnown for one	Intel® X99	Unknown — not stated by the source
Memory typeDiffers	PC-21300	PC4-17000
Product colourDiffers	Black	Green
Cooling typeKnown for one	Heatsink	Unknown — not stated by the source
Lead plating	Gold	Gold
ECCKnown for one	Unknown — not stated by the source	Yes
Memory busKnown for one	Unknown — not stated by the source	72 bit
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 supported	Yes	Yes
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supported	Yes	Yes
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
DepthKnown for one	7.08 mm	Unknown — not stated by the source
HeightKnown for one	34 mm	Unknown — not stated by the source
Packaging dataidentical
Package type	DIMM	DIMM
Other featuresidentical
Chips organisation	x8	x8
Number of pins	288	288
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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 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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