Check at following Merchants
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Compatible Products
Specifications
ManufacturerCrucial
Part #BLT4G3D1869DT1TX0
SpeedDDR3-1866
Form Factor240-pin DIMM (DDR3)
Modules1 x 4GB
ColorBlack / Yellow
First Word Latency9.646 ns
CAS Latency9
Voltage1.5 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes