Check at following Merchants
Form Factor
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Heat Spreader
Compatible Products
Specifications
ManufacturerG.Skill
Part #F3-10666CL7D-4GBRH
SpeedDDR3-1333
Form Factor240-pin DIMM (DDR3)
Modules2 x 2GB
ColorBlack / Red
First Word Latency10.503 ns
CAS Latency7
Voltage1.5 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes