Product comparison · 2 memory modules

Kingston Technology ValueRAM KVR1066D3E7S/2G memory module vs Kingston Technology ValueRAM KVR400X64C3AK2/2G memory module

Key differences

Internal memory type
- ValueRAM KVR1066D3E7S/2G memory module:DDR3
- ValueRAM KVR400X64C3AK2/2G memory module:DDR
ECC
- ValueRAM KVR1066D3E7S/2G memory module:Yes
- ValueRAM KVR400X64C3AK2/2G memory module:No
CAS latency
- ValueRAM KVR1066D3E7S/2G memory module:7
- ValueRAM KVR400X64C3AK2/2G memory module:3
Memory bus
- ValueRAM KVR1066D3E7S/2G memory module:72 bit
- ValueRAM KVR400X64C3AK2/2G memory module:64 bit
Memory voltage
- ValueRAM KVR1066D3E7S/2G memory module:1.5 V
- ValueRAM KVR400X64C3AK2/2G memory module:2.6 V
Row cycle time
- ValueRAM KVR1066D3E7S/2G memory module:50.63 ns
- ValueRAM KVR400X64C3AK2/2G memory module:55 ns
Refresh row cycle time
- ValueRAM KVR1066D3E7S/2G memory module:110 ns
- ValueRAM KVR400X64C3AK2/2G memory module:70 ns
Row active time
- ValueRAM KVR1066D3E7S/2G memory module:37.5 ns
- ValueRAM KVR400X64C3AK2/2G memory module:40 ns

Differences highlightedShow differences only

Comparison of KVR1066D3E7S/2G, KVR400X64C3AK2/2G
15 specifications	A Kingston Technology ValueRAM KVR1066D3E7S/2G memory module Model KVR1066D3E7S/2G View product	B Kingston Technology ValueRAM KVR400X64C3AK2/2G memory module Model KVR400X64C3AK2/2G View product
Features9 differ
Internal memory	2 GB	2 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Internal memory typeDiffers	DDR3	DDR
ECCDiffers	Yes	No
CAS latencyDiffers	7	3
Memory busDiffers	72 bit	64 bit
Memory voltageDiffers	1.5 V	2.6 V
Row cycle timeDiffers	50.63 ns	55 ns
Refresh row cycle timeDiffers	110 ns	70 ns
Row active timeDiffers	37.5 ns	40 ns
SPD profileKnown for one	Unknown — not stated by the source	No
Memory typeDiffers	SDRAM	DDR
Lead plating	Gold	Gold
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Other features1 differ
Size (imperial)Differs	3 cm (1.18")	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.