32GB ( 1x 32GB Module ) DDR4 2400 MHz ( PC4-19200 ) DDR4 DIMM ( 288-Pin ) ECC RDIMM ( Registered DIMM ) 1.2V - DDR4 Standard Voltage Compatible Equivalent for IBM-Lenovo 46W0833, 78P4622, 46W0835, 4X70M09263, 01KM881, 00NV205, 01KN311, 01KN365, 00NV253, 01KN364, 01KN362, 01KN309 High performance Memory RAM upgrade designed for Server/Workstation Systems All modules undergo quality assurance testing to ensure dependable and reliable performance Please verify the supported memory (RAM) specifications of your system prior to purchase to ensure compatibility A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase