SK Hynix 8GB DDR4 RAM module.Designed for use with HP systems, this ECC-registered RDIMM features a bus speed of PC4-23400 (DDR4-2933) for speedy performance. With a total capacity of 8GB, this module is perfect for handling demanding programs and multitasking.This DDR4 SDRAM module is made in Korea and features a model number of HMA81GR7CJR8N-WM. It boasts ECC memory and registered memory features for added stability and reliability. With 288 pins and a single module, this RAM is easy to install and will provide a significant boost to your computer's performance.