Product comparison · 2 memory modules

HP 647901-B21-02 memory module vs HyperX Memory Black 16GB DDR4 2133MHz

6specifications compared
4differ
2identical
25known for one product only

Key differences

Internal memory type
- 647901-B21-02 memory module:DDR3
- Memory Black 16GB DDR4 2133MHz:DDR4
Memory form factor
- 647901-B21-02 memory module:240-pin DIMM
- Memory Black 16GB DDR4 2133MHz:288-pin DIMM
CAS latency
- 647901-B21-02 memory module:9
- Memory Black 16GB DDR4 2133MHz:14
Memory clock speed
- 647901-B21-02 memory module:1333 MHz
- Memory Black 16GB DDR4 2133MHz:2133 MHz

Side by side

Differences highlightedShow differences only

Comparison of 647901-B21-02, Memory Black 16GB DDR4 2133MHz
31 specifications	A HP 647901-B21-02 memory module Model 647901-B21-02 View product	B HyperX Memory Black 16GB DDR4 2133MHz View product
Features4 differ
Internal memory	16 GB	16 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	1 x 16 GB
Internal memory typeDiffers	DDR3	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
CAS latencyDiffers	9	14
Memory clock speedDiffers	1333 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
Module configurationKnown for one	Unknown — not stated by the source	2048M x 64
Row cycle timeKnown for one	Unknown — not stated by the source	46.5 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	350 ns
Row active timeKnown for one	Unknown — not stated by the source	32.75 ns
Intel Extreme Memory Profile (XMP)Known for one	Unknown — not stated by the source	Yes
SPD profileKnown for one	Unknown — not stated by the source	Yes
Compatible chipsetsKnown for one	Unknown — not stated by the source	Intel® X99
Memory typeKnown for one	Unknown — not stated by the source	PC4-17000
Product colourKnown for one	Unknown — not stated by the source	Black
Cooling typeKnown for one	Unknown — not stated by the source	Heatsink
Lead platingKnown for one	Unknown — not stated by the source	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-55 - 100 °C
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	133.3 mm
DepthKnown for one	Unknown — not stated by the source	7.08 mm
HeightKnown for one	Unknown — not stated by the source	34 mm
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	x8
Number of pinsKnown for one	Unknown — not stated by the source	288

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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