Kingston Technology 4GB DDR4 2133MHz vs Kingston Technology ValueRAM KVR21N15/4 memory module

Comparison of 4GB DDR4 2133MHz, KVR21N15/4

27 specifications	A Kingston Technology 4GB DDR4 2133MHzView product	B Kingston Technology ValueRAM KVR21N15/4 memory module Model KVR21N15/4 View product
Features1 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
ECCKnown for one	No	—Unknown — not stated by the source
CAS latency	15	15
Memory bus	64 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory ranking	1	1
Memory voltage	1.2 V	1.2 V
Module configurationDiffers	512M x 8	512M X 64
Row cycle timeKnown for one	46.5 ns	—Unknown — not stated by the source
Refresh row cycle timeKnown for one	260 ns	—Unknown — not stated by the source
Row active timeKnown for one	33 ns	—Unknown — not stated by the source
SPD profileKnown for one	Yes	—Unknown — not stated by the source
Product colourKnown for one	Black, Green	—Unknown — not stated by the source
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	—Unknown — not stated by the source
Storage temperature (T-T)Known for one	-55 - 100 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	—Unknown — not stated by the source
HeightKnown for one	31.2 mm	—Unknown — not stated by the source
Other featuresidentical
Chips organisation	X8	X8
Bus clock rate	2133 MHz	2133 MHz
Error indication	No	No
Internal memory	4096 MB	4096 MB
Memory layout	1 x 4096 MB	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.