Check at following Merchants
Form Factor
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Heat Spreader
Compatible Products
Specifications
ManufacturerCrucial
Part #BLS4G3N18AES4
SpeedDDR3-1866
Form Factor204-pin SODIMM (DDR3)
Modules1 x 4GB
ColorBlack / Silver
First Word Latency10.718 ns
CAS Latency10
Voltage1.35 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderNo