Check at following Merchants
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Timing
Compatible Products
Specifications
ManufacturerAvexir
ModelMSI Z77 MPOWER Optimized (Blue LED) 8GB
Part #AVD3U21330904G-2CM
SpeedDDR3-2133
Form Factor240-pin DIMM (DDR3)
Modules2 x 4GB
ColorBlack / Yellow
First Word Latency8.439 ns
CAS Latency9
Voltage1.65 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes