CPU AMD Socket AM4, support for: 3rd Generation AMD Ryzen™ processors/ 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors Chipset AMD B550 Memory 2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory 3rd Gen AMD Ryzen™ Processors: Support for DDR4 5100(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules 3rd Gen AMD Ryzen™ with Radeon™ Graphics processors: Support for DDR4 5100(O.C.) / 5000(O.C.) / 4866(O.C.) / 4600(O.C.) / 4400(O.C.) / 4000(O.C.) / 3600(O.C.) / 3333(O.C.) /3200/2933/2667/2400/2133 MHz memory modules Dual channel memory architecture Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules Intel® HD Graphics support: 1 x D-Sub port 1 x DVI-D port 1 x HDMI port Support for up to 3 displays at the same time Maximum shared memory of 16 GB Audio Realtek® ALC887 codec High Definition Audio 2/4/5.1/7.1-channel LAN Realtek® GbE LAN chip (1000 Mbit/100 Mbit) Expansion Slots 1? x PCI Express x16 slot, integrated in the CPU: 3rd Gen AMD Ryzen™ support PCIe 4.0 x16 mode 3rd Gen AMD Ryzen™ with Radeon™ Graphics support PCIe 3.0 x16 mode 2 x PCI Express x1 slots (PCIEX1_1, PCIEX1_2), integrated in the Chipset: Supporting PCIe 3.0 x1 mode Storage Interface 1? x M.2 connector 3rd Gen AMD Ryzen™ support SATA and PCIe 4.0 x4/x2 SSDs 3rd Gen AMD Ryzen™ with Radeon™ Graphics support SATA and PCIe 3.0 x4/x2 SSDs 4 x SATA 6Gb/s connectors: Support for RAID 0, RAID 1, and RAID 10 USB Integrated in the CPU: 4 x USB 3.2 Gen 1 ports Chipset: 2 x USB 3.2 Gen 1 ports 4 x USB 2.0/1.1 ports 1 x addressable LED strip header 1 x RGB LED strip header 1 x Trusted Platform Module (TPM) header 1 x serial port header Operating System Support for Windows 10 64-bit Form Factor Micro ATX Form Factor; 24.4cm x 20.5cm More Info: https://www.gigabyte.com/Motherboard/B550M-S2H-rev-10#kf