Check at following Merchants
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Timing
Compatible Products
Specifications
ManufacturerCrucial
Part #BLE2K4G3D21BCE1J
SpeedDDR3-2133
Form Factor240-pin DIMM (DDR3)
Modules2 x 4GB
ColorBlack
First Word Latency10.314 ns
CAS Latency11
Voltage1.65 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes