The Virtium 8GB (2 x 4GB) 1Rx8 PNW-410-000094 PC4-2133P VL33A5463A-N7mb server memory modules offer a total capacity of 8GB spread across 2 modules, each with a capacity of 4GB. These DDR4 SDRAM modules are designed with ECC memory features and have a form factor of RDIMM. With a bus speed of PC4-2133 and 288 pins, these memory modules are ideal for enhancing the performance and efficiency of server systems in enterprise networking and computing environments. Made in the United States, the Virtium modules are reliable and high-quality components for server memory needs.