AMD Ryzen 7 5800X3D. Processor family: AMD Ryzen™ 7, Processor socket: Socket AM4, Processor lithography: 7 nm. Memory channels: Dual-channel, Maximum internal memory supported by processor: 128 GB, Memory types supported by processor: DDR4-SDRAM. Processing Die size: 74 mm², Compatible operating systems: Windows 11 - 64-Bit Edition Windows 10 - 64-Bit Edition RHEL x86 64-Bit Ubuntu x86 64-Bit