Check at following Merchants
Speed
Modules
First Word Latency
CAS Latency
Voltage
Compatible Products
Specifications
ManufacturerKingston
Part #HX421C13SB/4
SpeedDDR4-2133
Form Factor288-pin DIMM (DDR4)
Modules1 x 4GB
ColorBlack / White
First Word Latency12.189 ns
CAS Latency13
Voltage1.2 V
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes