Product comparison · 2 memory modules

HyperX Black 16GB DDR4 2666MHz Kit vs HyperX Memory Black 16GB DDR4 2133MHz Kit

Key differences

CAS latency
- Black 16GB DDR4 2666MHz Kit:15
- Memory Black 16GB DDR4 2133MHz Kit:14
Memory clock speed
- Black 16GB DDR4 2666MHz Kit:2666 MHz
- Memory Black 16GB DDR4 2133MHz Kit:2133 MHz
Row cycle time
- Black 16GB DDR4 2666MHz Kit:45 ns
- Memory Black 16GB DDR4 2133MHz Kit:46.5 ns
Row active time
- Black 16GB DDR4 2666MHz Kit:26.25 ns
- Memory Black 16GB DDR4 2133MHz Kit:32.75 ns
Memory type
- Black 16GB DDR4 2666MHz Kit:PC-21300
- Memory Black 16GB DDR4 2133MHz Kit:PC-17000

Differences highlightedShow differences only

Comparison of Black 16GB DDR4 2666MHz Kit, Memory Black 16GB DDR4 2133MHz Kit
32 specifications	A HyperX Black 16GB DDR4 2666MHz Kit View product	B HyperX Memory Black 16GB DDR4 2133MHz Kit View product
Features5 differ
Internal memory	16 GB	16 GB
Memory layout (modules x size)	4 x 4 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
CAS latencyDiffers	15	14
Memory clock speedDiffers	2666 MHz	2133 MHz
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory rankingKnown for one	1	Unknown — not stated by the source
Memory voltage	1.2 V	1.2 V
Module configuration	512M x 64	512M x 64
Row cycle timeDiffers	45 ns	46.5 ns
Refresh row cycle time	260 ns	260 ns
Row active timeDiffers	26.25 ns	32.75 ns
Intel Extreme Memory Profile (XMP)	Yes	Yes
SPD profile	Yes	Yes
Compatible chipsets	Intel® X99	Intel® X99
Memory typeDiffers	PC-21300	PC-17000
Product colour	Black	Black
Cooling type	Heatsink	Heatsink
Lead plating	Gold	Gold
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 supported	Yes	Yes
Linux operating systems supported	Yes	Yes
Weight & dimensionsidentical
Width	133.3 mm	133.3 mm
Depth	7.08 mm	7.08 mm
Height	34 mm	34 mm
Other featuresidentical
Chips organisation	x8	x8
Number of pins	288	288
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM

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.