Transcend 16GB (1 x 16GB) DDR4 2666 M Hz System Memory Transcend's Jet Ram memory modules are manufactured with true ETT grade br&-name DRAM chips that have passed Transcend's strict screening process & rigorous environmental testing The modules provide excellent compatibility & fully-tested reliability which is ideal for PC upgrade at an attractive price Each memory module is rated at 2666 Mbps to greatly increase data transmission efficiency by higher bandwidth of up to 21 G Bs Operated at a nominal voltage of just 12V Transcend's DDR4 U-DIMM Jet Ram memory ensures that both operating temperature & electrical load on the memory controller can be reduced in order to save up to 40 of energy compared to standard DDR3 modules offering 15 V Memory Capacity 16GB (1 x 16GB) Memory Type DDR4 Module Type DIMMMemory Speed DDR4-2666 M Hz Pin Configuration 288-pin Registered Unbuffered Unbuffered Error Correction Non-ECCCL-t RCD-t RP-t RASCL19 Heat Sink Yes Working Voltage 12v Component Composition 2 Gx 8