FEATURES: Supports AMD Ryzen™ 5000 & 3000 Series desktop processors (not compatible with AMD Ryzen™ 5 3400G & Ryzen™ 3 3200G) and AMD Ryzen™ 4000 G-Series desktop processors Supports DDR4 Memory, up to 4400(OC) MHz Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 x4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2 Enhanced Power Design: Core Boost, Digital PWM IC, 2oz Thickened Copper PCB, DDR4 Boost Premium Thermal Solution: Extended Heatsink Design and M.2 Shield Frozr is built for a high-performance system and non-stop gaming experience Pre-installed I/O Shielding: Better EMI protection and more convenience for installation Flash BIOS Button with Optimized ClearCMOS Function: Simply use a USB key to flash any BIOS within seconds. Restore the BIOS to the default settings without any additional actions. Audio Boost: Reward your ears with studio grade sound quality SPECIFICATIONS: Socket: AM4 CPU (Max Support): RYZEN 9 Chipset: AMD B550 Chipset DDR4 Memory: Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/ 3066/ 3200 MHz by JEDEC, Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/ 3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP OC MODE Memory Channel: Dual DIMM Slots: 4 Max Memory (GB): 128 PCI-E x16: 2 PCI-E x1: 2 SATAIII: 6 M.2 Slot: 2 RAID: 0/1/10 TPM (header): 1 LAN: 1x Realtek® 8111H Gigabit LAN controller USB 3.2 ports (Front): 1(Gen 1, Type C), 2(Gen 1, Type A) USB 3.2 ports (Rear): 1(Gen 2, Type C), 1(Gen 2, Type A), 2(Gen 1, Type A) USB 2.0 ports (Front): 4 USB 2.0 ports (Rear): 4 Audio ports (Rear): Realtek® ALC892/ALC897 Codec DisplayPort: 1 HDMI: 1 DirectX: 12 Form Factor: ATX CrossFire: Yes Operating System: Support for Windows® 10 64-bit