Product comparison · 2 memory modules

Kingston Technology 32GB (4x 8GB), DDR4 vs Kingston Technology KVR21N15D8/16BK memory module

Key differences

Internal memory
- 32GB (4x 8GB), DDR4:32 GB
- KVR21N15D8/16BK memory module:16 GB
Memory layout (modules x size)
- 32GB (4x 8GB), DDR4:4 x 8 GB
- KVR21N15D8/16BK memory module:1 x 16 GB
Buffered memory type
- 32GB (4x 8GB), DDR4:Registered (buffered)
- KVR21N15D8/16BK memory module:Unregistered (unbuffered)
Memory voltage
- 32GB (4x 8GB), DDR4:1.2,1.5 V
- KVR21N15D8/16BK memory module:1.2 V
Row cycle time
- 32GB (4x 8GB), DDR4:47.05 ns
- KVR21N15D8/16BK memory module:46.5 ns
Refresh row cycle time
- 32GB (4x 8GB), DDR4:260 ns
- KVR21N15D8/16BK memory module:350 ns

Differences highlightedShow differences only

Comparison of 32GB (4x 8GB), DDR4, KVR21N15D8/16BK
22 specifications	A Kingston Technology 32GB (4x 8GB), DDR4 View product	B Kingston Technology KVR21N15D8/16BK memory module Model KVR21N15D8/16BK View product
Features6 differ
Internal memoryDiffers	32 GB	16 GB
Memory layout (modules x size)Differs	4 x 8 GB	1 x 16 GB
Internal memory type	DDR4	DDR4
Component for	PC/Server	PC/Server
Memory form factor	288-pin DIMM	288-pin DIMM
ECC	Yes	Yes
CAS latency	15	15
Buffered memory typeDiffers	Registered (buffered)	Unregistered (unbuffered)
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageDiffers	1.2,1.5 V	1.2 V
Module configurationKnown for one	1024M x 72	Unknown — not stated by the source
Row cycle timeDiffers	47.05 ns	46.5 ns
Refresh row cycle timeDiffers	260 ns	350 ns
Row active time	33 ns	33 ns
SPD profileKnown for one	Yes	Unknown — not stated by the source
Lead plating	Gold	Gold
Memory bandwidth (max)Known for one	Unknown — not stated by the source	8 GB/s
Product colourKnown for one	Unknown — not stated by the source	Black, Green
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-55 - 100 °C	-55 - 100 °C
Weight & dimensionsidentical
Width	133.3 mm	133.3 mm
HeightKnown for one	Unknown — not stated by the source	31 mm

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.