Designed for their TS-2888X NAS, the 32GB DDR4 2666 MHz RDIMM ECC Memory Module from QNAP is a single RAM module that will let you upgrade the overall memory capacity of your compatible NAS. It features a capacity of 32GB, a clock speed of 2666 MHz (PC4-21300), and a 288-pin DIMM form factor. It operates using 1.2V, supports ECC technology, and is buffered/registered.