The SK Hynix 128GB 2S4Rx4 PC4-2666V PC4-21300 ECLRDIMM HMABAGL7C4R4N-VN Server RAM is a high-quality memory module designed for server use. With a total capacity of 128GB spread across 2 modules, this DDR4 SDRAM memory features ECC Load Reduced (LRDIMM) technology for enhanced error correction. The memory operates at a frequency of 2666MHz (MT/s) with a bus speed of PC4-21300 (DDR4-2666), offering reliable performance for demanding computing tasks. Backed by a lifetime manufacturer warranty, this SK Hynix RAM is a dependable choice for expanding server capabilities.These sticks were pulled from a new server for upgraded ram. Price is per stick.