Valueram39s kvr21r15s48 is a 1g x 72 bit 8gb ddr4 2133 cl15 sdram synchronous dram registered w parity 1rx4 ecc memory module based on eighteen 1g x 4 bit fbga components the spd is programmed to jedec standard latency ddr4 2133 timing of 15 15 15 at 12v each 288 pin dimm uses gold contact fingers power supply vdd12v 114v to 126v vddq 12v 114v to 126v vpp 25v 2375v to 275v vddspd225v to 275v functionality and operations comply with the ddr4 sdram datasheet 16 internal banks bank g