Check at following Merchants
Manufacturer
Form Factor
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Timing
ECC / Registered
Heat Spreader
Compatible Products
Specifications
ManufacturerKingston
Part #KHX1866C11D3P1K2/4G
SpeedDDR3-1866
Form Factor240-pin DIMM (DDR3)
Modules2 x 2GB
ColorGray / Silver
First Word Latency11.79 ns
CAS Latency11
Voltage1.5 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes