Cisco Optane 128GB DDR4 SDRAM Persistent Memory Module - Refurbished - 128 GB - DDR4-3200/PC4-25600 DDR4 SDRAM - 3200 MHz - 288-pin - DIMM Allow you to conveniently increase your memory capacity per socket to ensure maximum usability Up to 3200 MHz speed for smooth computer performance DIMM 128 GB of memory can produce approx. 10K MIPS and as a result, your system gets more room to run complex apps. 288-pin DDR4-3200/PC4-25600 operates at an effective bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation 288-pin for enhanced, dependable system performance with maximum usability DIMM form factor with 288-pin and 128 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility