Módulo RAM original Apple 64 GB para Mac Pro A1991 2019 DDR4 2933 MHz 4DRx4 LRDIMM
Frequency: 2933MHz (MT/s). Rank : 4DRx4. Compatible Model Information A1991 Class: DDR4. Ram Class : DDR4. These are LR-DIMMs. SubFamily : 2019. Mac Pro "8-Core" 3.5GHz ( 2019) .