MSI AMD B450M-A PRO MAX AM4 motherboard inspired from architectural design, with Core Boost, DDR4 Boost, Turbo M.2, USB 3.2 Gen1 Supports 1st, 2nd and 3rd Gen AMD® Ryzen™ / Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD® Ryzen™with Radeon™ Graphics / Athlon™ with Radeon™ Vega Graphics and A-series / Athlon™ X4 Desktop Processors for Socket AM4 Supports DDR4 Memory, up to 4133 (OC) MHz Turbo M.2: Running at PCI-E Gen3 x4 maximizes performance for NVMe based SSDs. Audio Boost: Reward your ears with studio grade sound quality. X-Boost: Software that auto-detects and allows you to boost the performance of any storage or USB device. Core Boost: With premium layout and fully digital power design to support more cores and provide better performance. SOCKET AM4 CPU (MAX SUPPORT) RYZEN CHIPSET AMD® B450 Chipset DDR4 MEMORY MEMORY CHANNEL Dual DIMM SLOTS 2 MAX MEMORY (GB) 64 PCI-E X16 1 PCI-E GEN Gen3 PCI-E X1 1 SATAIII 4 M.2 SLOT 1 TPM (HEADER) 1 LAN 1x Realtek® 8111H USB 3.2 PORTS (FRONT) 2(Gen1, Type A) USB 3.2 PORTS (REAR) 4(Gen1, Type A) USB 2.0 PORTS (FRONT) 4 USB 2.0 PORTS (REAR) 2 SERIAL PORTS(FRONT) 1 AUDIO PORTS (REAR) Realtek® ALC892 Codec DVI-D 1 HDMI 1 DIRECTX 12 FORM FACTOR m-ATX