16GB (1*16GB) 2RX4

Dell A7945660-RFB is a refurbished memory module for adding RAM to a compatible computer or server. It provides 16 GB in one 1 × 16 GB module, with a 2RX4 configuration.

The module uses DDR4 memory and is listed at 2133 MHz. Its 288-pin DIMM form factor describes the physical module type. This is a single memory module, rather than a multi-module kit.