Product comparison · 2 memory modules

HyperX KHX1866C9S3K2/4GX memory module vs Kingston Technology ValueRAM KVR400X64C3AK2/2G memory module

Key differences

Internal memory
- KHX1866C9S3K2/4GX memory module:4 GB
- ValueRAM KVR400X64C3AK2/2G memory module:2 GB
Memory layout (modules x size)
- KHX1866C9S3K2/4GX memory module:2 x 2 GB
- ValueRAM KVR400X64C3AK2/2G memory module:2 x 1 GB
Internal memory type
- KHX1866C9S3K2/4GX memory module:DDR3
- ValueRAM KVR400X64C3AK2/2G memory module:DDR
CAS latency
- KHX1866C9S3K2/4GX memory module:9
- ValueRAM KVR400X64C3AK2/2G memory module:3
Memory voltage
- KHX1866C9S3K2/4GX memory module:1.5 V
- ValueRAM KVR400X64C3AK2/2G memory module:2.6 V
Row cycle time
- KHX1866C9S3K2/4GX memory module:49.5 ns
- ValueRAM KVR400X64C3AK2/2G memory module:55 ns
Refresh row cycle time
- KHX1866C9S3K2/4GX memory module:110 ns
- ValueRAM KVR400X64C3AK2/2G memory module:70 ns
Row active time
- KHX1866C9S3K2/4GX memory module:36 ns
- ValueRAM KVR400X64C3AK2/2G memory module:40 ns

Differences highlightedShow differences only

Comparison of KHX1866C9S3K2/4GX, KVR400X64C3AK2/2G
17 specifications	A HyperX KHX1866C9S3K2/4GX memory module Model KHX1866C9S3K2/4GX View product	B Kingston Technology ValueRAM KVR400X64C3AK2/2G memory module Model KVR400X64C3AK2/2G View product
Features8 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 1 GB
Internal memory typeDiffers	DDR3	DDR
ECCKnown for one	Unknown — not stated by the source	No
CAS latencyDiffers	9	3
Memory busKnown for one	Unknown — not stated by the source	64 bit
Memory voltageDiffers	1.5 V	2.6 V
Row cycle timeDiffers	49.5 ns	55 ns
Refresh row cycle timeDiffers	110 ns	70 ns
Row active timeDiffers	36 ns	40 ns
SPD profileKnown for one	Unknown — not stated by the source	No
Memory typeKnown for one	Unknown — not stated by the source	DDR
Lead platingKnown for one	Unknown — not stated by the source	Gold
Memory clock speedKnown for one	1866 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")
Number of pinsKnown for one	204	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	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.