Product comparison · 2 memory modules

HyperX 4GB DDR3 1800MHz Kit vs Kingston Technology ValueRAM KVR400X64C3AK2/1G memory module

Key differences

Internal memory
- 4GB DDR3 1800MHz Kit:4 GB
- ValueRAM KVR400X64C3AK2/1G memory module:1 GB
Memory layout (modules x size)
- 4GB DDR3 1800MHz Kit:2 x 2 GB
- ValueRAM KVR400X64C3AK2/1G memory module:2 x 0.5 GB
Internal memory type
- 4GB DDR3 1800MHz Kit:DDR3
- ValueRAM KVR400X64C3AK2/1G memory module:DDR
Memory form factor
- 4GB DDR3 1800MHz Kit:240-pin DIMM
- ValueRAM KVR400X64C3AK2/1G memory module:184-pin DIMM
CAS latency
- 4GB DDR3 1800MHz Kit:9
- ValueRAM KVR400X64C3AK2/1G memory module:3

Differences highlightedShow differences only

Comparison of 4GB DDR3 1800MHz Kit, KVR400X64C3AK2/1G
15 specifications	A HyperX 4GB DDR3 1800MHz Kit View product	B Kingston Technology ValueRAM KVR400X64C3AK2/1G memory module Model KVR400X64C3AK2/1G View product
Features5 differ
Internal memoryDiffers	4 GB	1 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 0.5 GB
Internal memory typeDiffers	DDR3	DDR
Memory form factorDiffers	240-pin DIMM	184-pin DIMM
CAS latencyDiffers	9	3
Memory busKnown for one	Unknown — not stated by the source	64 bit
Memory voltageKnown for one	Unknown — not stated by the source	2.6 V
Row cycle timeKnown for one	Unknown — not stated by the source	55 ns
Refresh row cycle timeKnown for one	Unknown — not stated by the source	70 ns
Row active timeKnown for one	Unknown — not stated by the source	40 ns
SPD profileKnown for one	Unknown — not stated by the source	No
Memory clock speedKnown for one	1800 MHz	Unknown — not stated by the source
Other featuresidentical
Size (imperial)Known for one	Unknown — not stated by the source	3.18 cm (1.25")

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.