Kingston 8GB (1x8GB) DDR4 UDIMM 2666MHz CL19 1.2V Unbuffered ValueRAM Single Stick Desktop PC Memory This document describes ValueRAM's KVR26N19S6/8 is a 1G x 64-bit (4GB) DDR4-2666 CL19 SDRAM (Synchronous DRAM), 1Rx16, memory module, based on four 1G x 16-bit FBGA components. The SPD is programmed to JEDEC standard latency DDR4-2666 timing of 19-19-19 at 1.2V. Each 288-pin DIMM uses gold contact fingers. The electrical and mechanical specifications are as follows: • Power Supply: VDD = 1.2V Typical • VDDQ = 1.2V Typical • VPP = 2.5V Typical • VDDSPD = 2.2V to 3.6V • Nominal and dynamic on-die termination (ODT) for data, strobe, and mask signals • Low-power auto self refresh (LPASR) • Data bus inversion (DBI) for data bus • On-die VREFDQ generation and calibration • Single-rank • On-board I2 serial presence-detect (SPD) EEPROM • 8 internal banks; 2 groups of 4 banks each • Fixed burst chop (BC) of 4 and burst length (BL) of 8 via the mode register set (MRS) • Selectable BC4 or BL8 on-the-fly (OTF) • Fly-by topology • Terminated control command and address bus • PCB: Height 1.23' (31.25mm) • RoHS Compliant and Halogen-Free