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
Memory type	SDRAM	SDRAM
Lead plating	Gold	Gold
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.