Compatible with AMD TRX50/WRX90 Workstation Motherboards. Memory Type: DDR5 R-DIMM (ECC Registered DIMM) Chip: Hynix IC Pin: 288 Pin Memory Capacity: 512GB (128GBx4) Speed: DDR5-5600 (PC5-44800) Timing: CL52 52-52-52-103 Voltage: 1.1V