Product comparison · 2 memory modules

Kingston Technology ValueRAM KVR1066D3E7S/2G memory module vs Kingston Technology System Specific Memory KVR400X64C3A/1G memory module

Key differences

Internal memory
- ValueRAM KVR1066D3E7S/2G memory module:2 GB
- System Specific Memory KVR400X64C3A/1G memory module:1 GB
Internal memory type
- ValueRAM KVR1066D3E7S/2G memory module:DDR3
- System Specific Memory KVR400X64C3A/1G memory module:DDR
ECC
- ValueRAM KVR1066D3E7S/2G memory module:Yes
- System Specific Memory KVR400X64C3A/1G memory module:No
Memory bus
- ValueRAM KVR1066D3E7S/2G memory module:72 bit
- System Specific Memory KVR400X64C3A/1G memory module:64 bit
Memory voltage
- ValueRAM KVR1066D3E7S/2G memory module:1.5 V
- System Specific Memory KVR400X64C3A/1G memory module:2.6 V
Row cycle time
- ValueRAM KVR1066D3E7S/2G memory module:50.63 ns
- System Specific Memory KVR400X64C3A/1G memory module:55 ns
Refresh row cycle time
- ValueRAM KVR1066D3E7S/2G memory module:110 ns
- System Specific Memory KVR400X64C3A/1G memory module:70 ns
Row active time
- ValueRAM KVR1066D3E7S/2G memory module:37.5 ns
- System Specific Memory KVR400X64C3A/1G memory module:40 ns

Differences highlightedShow differences only

Comparison of KVR1066D3E7S/2G, KVR400X64C3A/1G
14 specifications	A Kingston Technology ValueRAM KVR1066D3E7S/2G memory module Model KVR1066D3E7S/2G View product	B Kingston Technology System Specific Memory KVR400X64C3A/1G memory module Model KVR400X64C3A/1G View product
Features8 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory typeDiffers	DDR3	DDR
Memory form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
ECCDiffers	Yes	No
CAS latencyKnown for one	7	Unknown — not stated by the source
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
Other features1 differ
Size (imperial)Differs	3 cm (1.18")	3.18 cm (1.25")
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C

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.