AMD A520 (Ryzen AM4) micro ATX motherboard with M.2 support, 1 Gb Ethernet, HDMI/D-Sub, SATA 6 Gbps, USB 3.2 Gen 1 Type-A AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors with Radeon™ Graphics Processors Comprehensive cooling: PCH heatsink and Fan Xpert Ultrafast connectivity: M.2 support, 1 Gb Ethernet, USB 3.2 Gen 1 Type-A 5X Protection III: Multiple hardware safeguards for all-around system protection CPU Build in AMD AM4 Socket Processors * * Refer to www.asus.com for CPU support list Chipset AMD A520 Memory 2 x DIMM, Max. 64GB, DDR4 4600(O.C)/4400(O.C)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz Un-buffered Memory * Dual Channel Memory Architecture ECC Memory (ECC mode) support varies by CPU. * Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists). * The maximum memory frequency supported varies by processor. Graphic 1 x D-Sub 1 x HDMI 2.1(4K@60HZ) Expansion Slots 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors 1 x PCIe 3.0 x16 (x16 mode) AMD A520 Chipset 2 x PCIe 3.0 x1 Storage Total supports 1 x M.2 slot(s) and 4 x SATA 6Gb/s ports 3rd Gen AMD Ryzen™ and 3rd Gen AMD Ryzen™ with Radeon™ Graphics Processors : 1 x M.2 Socket 3, with M Key, Type 2242/2260/2280 (PCIE 3.0 x4 and SATA modes) storage devices support AMD A520 Chipset : 4 x SATA 6Gb/s port(s), Support Raid 0, 1, 10 LAN Realtek RTL8111H 1Gb Ethernet ASUS LANGuard Audio Realtek ALC887 7.1 Surround Sound High Definition Audio CODEC * - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking, up to 24-Bit/192kHz playback Audio Feature : - Audio Shielding - Dedicated audio PCB layers * Choose the chassis with HD audio module in front panel to support 8-channel audio output. USB Ports Rear USB Port ( Total 6 ) 4 x USB 3.2 Gen 1 port(s)(4 x Type-A) 2 x USB 2.0 port(s)(2 x Type-A) Front USB Port ( Total 6 ) 2 x USB 3.2 Gen 1 port(s)(2 x Type-A) 4 x USB 2.0 port(s)(4 x Type-A) Software Features ASUS Exclusive Software Armoury Crate AI Suite 3 - Performance and Power Saving Utility TurboV EVO EPU Digi+ VRM Fan Xpert - EZ update ASUS CPU-Z AI Charger DAEMON Tools Norton Anti-virus software (Free Trial for 60 days) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode ASUS Special Features ASUS 5X PROTECTION III - ASUS DIGI+ VRM - ASUS LANGuard - ASUS Overvoltage Protection - ASUS SafeSlot Core - ASUS Stainless-Steel Back I/O ASUS Q-Design - ASUS Q-DIMM - ASUS Q-Slot ASUS Thermal Solution - Aluminum heatsink design Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x D-Sub 1 x HDMI 1 x LAN (RJ45) port(s) 4 x USB 3.2 Gen 1 (blue) Type-A 2 x USB 2.0 3 x Audio jack(s) Internal I/O Ports 1 x CPU Fan connector(s) 1 x Chassis Fan connector(s) 1 x USB 3.2 Gen 1(up to 5Gbps) connector(s) support(s) additional 2 USB 3.2 Gen 1 port(s) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 1 x M.2 Socket 3 with M key, type 2242/2260/2280 storage devices support (SATA & PCIE 3.0 x 4 mode) 1 x SPI TPM header 4 x SATA 6Gb/s connector(s) 1 x S/PDIF out header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin EATX 12V Power connectors 1 x Front panel audio connector(s) (AAFP) 1 x Clear CMOS jumper(s) 1 x System panel connector 1 x COM port header 1 x Speaker connector Accessories User's manual I/O Shield 2 x SATA 6Gb/s cable(s) 1 x Supporting DVD 1 x M.2 SSD screw package(s) BIOS 256 Mb Flash ROM, UEFI AMI BIOS Manageability WOL by PME, PXE Operating System Windows® 10 64-bit Form Factor mATX Form Factor 8.9 inch x 8.7 inch ( 22.6 cm x 22.1 cm )