This document describes ValueRAM's KVR26S19S8/8
is a 1G x 64-bit (8GB) DDR4-2666 CL19 SDRAM (Synchronous
DRAM), 1Rx8, non-ECC, memory module, based on eight 1G x
8-bit FBGA components. The SPD is programmed to JEDEC
standard latency DDR4-2666 timing of 19-19-19 at 1.2V. This
260-pin DIMM uses gold contact fingers. The electrical and
mechanical specifications are as follows:
Source : 8GB (8GBx1) DDR4 2666MHz RAM Notebook Kingston VALUE RAM