The HP 16GB DDR4-2666 RDIMM 835955-B21 868846-001 840756-091 is a high-quality server memory RAM designed for HPE servers. With a total capacity of 16GB and ECC registered technology, this memory module ensures reliable performance and error correction. Manufactured by HP with a lifetime warranty, this DDR4 SDRAM module has a frequency of 2666MHz and a normal profile design. It has a single unit quantity, a voltage of 1.2V, and 288 pins, making it a dependable choice for enhancing the performance of your server system. ITEM IS PICTURED.