16GB 2Rx8 PC4-21300U

Hynix HMA82GU7DJR8N-VK-RFB is a 16 GB DDR4 memory module for compatible desktop or server systems that use this type of DIMM. The listing identifies this particular unit as used or refurbished.

Its 288-pin DIMM format and unregistered, unbuffered design describe its physical and memory configuration. It runs at a listed 2666 MHz and supports ECC error correction, with a 2-rank layout.

This module is suited to expanding memory in a system that supports unbuffered ECC DDR4 DIMMs. The listing does not specify system compatibility beyond these module characteristics.