Product comparison · 2 memory modules

HP 647901-B21-02 memory module vs Kingston Technology 16GB DDR4 2133MHz Module

5specifications compared
3differ
2identical
24known for one product only

Key differences

Internal memory type
- 647901-B21-02 memory module:DDR3
- 16GB DDR4 2133MHz Module:DDR4
Memory form factor
- 647901-B21-02 memory module:240-pin DIMM
- 16GB DDR4 2133MHz Module:288-pin DIMM
CAS latency
- 647901-B21-02 memory module:9
- 16GB DDR4 2133MHz Module:15

Side by side

Differences highlightedShow differences only

Comparison of 647901-B21-02, 16GB DDR4 2133MHz Module
29 specifications	A HP 647901-B21-02 memory module Model 647901-B21-02 View product	B Kingston Technology 16GB DDR4 2133MHz Module View product
Features3 differ
Internal memory	16 GB	16 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 8 GB
Internal memory typeDiffers	DDR3	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECCKnown for one	Unknown — not stated by the source	No
CAS latencyDiffers	9	15
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltageKnown for one	Unknown — not stated by the source	1.2 V
Module configurationKnown for one	Unknown — not stated by the source	1024M 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	33 ns
Memory typeKnown for one	Unknown — not stated by the source	PC4-17000
Product colourKnown for one	Unknown — not stated by the source	Black, Green
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
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
Sustainabilityidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
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
HeightKnown for one	Unknown — not stated by the source	31.2 mm
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Doesn't containKnown for one	Unknown — not stated by the source	Halogen
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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