Product comparison · 2 memory modules

2-Power 4GB DDR2 SoDIMM vs Kingston Technology KVR21N15D8/16BK memory module

10specifications compared
10differ
0identical
17known for one product only

Key differences

Internal memory
- 4GB DDR2 SoDIMM:4 GB
- KVR21N15D8/16BK memory module:16 GB
Memory layout (modules x size)
- 4GB DDR2 SoDIMM:1 x 4 GB
- KVR21N15D8/16BK memory module:1 x 16 GB
Internal memory type
- 4GB DDR2 SoDIMM:DDR2
- KVR21N15D8/16BK memory module:DDR4
Component for
- 4GB DDR2 SoDIMM:Laptop
- KVR21N15D8/16BK memory module:PC/Server
Memory form factor
- 4GB DDR2 SoDIMM:200-pin SO-DIMM
- KVR21N15D8/16BK memory module:288-pin DIMM
ECC
- 4GB DDR2 SoDIMM:No
- KVR21N15D8/16BK memory module:Yes
CAS latency
- 4GB DDR2 SoDIMM:6
- KVR21N15D8/16BK memory module:15
Product colour
- 4GB DDR2 SoDIMM:Green
- KVR21N15D8/16BK memory module:Black, Green

Side by side

Differences highlightedShow differences only

Comparison of 4GB DDR2 SoDIMM, KVR21N15D8/16BK
27 specifications	A 2-Power 4GB DDR2 SoDIMM View product	B Kingston Technology KVR21N15D8/16BK memory module Model KVR21N15D8/16BK View product
Features8 differ
Internal memoryDiffers	4 GB	16 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 16 GB
Internal memory typeDiffers	DDR2	DDR4
Component forDiffers	Laptop	PC/Server
Memory form factorDiffers	200-pin SO-DIMM	288-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	6	15
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageKnown for one	Unknown — not stated by the source	1.2 V
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 bandwidth (max)Known for one	Unknown — not stated by the source	8 GB/s
Product colourDiffers	Green	Black, Green
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Memory rankingKnown for one	1	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
Weight & dimensions2 differ
WidthDiffers	152 mm	133.3 mm
HeightDiffers	52 mm	31 mm
DepthKnown for one	6 mm	Unknown — not stated by the source
WeightKnown for one	22 g	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	SO-DIMM	Unknown — not stated by the source

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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