Check at following Merchants
Speed
Modules
Color
First Word Latency
CAS Latency
Voltage
Timing
Compatible Products
Specifications
ManufacturerG.Skill
Part #F4-2666C18Q2-256GTZN
SpeedDDR4-2666
Form Factor288-pin DIMM (DDR4)
Modules8 x 32GB
ColorBlack / Silver
First Word Latency13.503 ns
CAS Latency18
Voltage1.2 V
Timing18-18-18-43
ECC / RegisteredNon-ECC / Unbuffered
Heat SpreaderYes