B550 Phantom Gaming-ITX/ax Features: Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors 8 Power Phase Design, Digi Power, 90A Dr.MOS Supports DDR4 5400+ (OC) 1 PCIe 4.0 x16 Graphics Output Options: HDMI, DisplayPort 7.1 CH HD Audio (Realtek ALC1220 Audio Codec), Nahimic Audio 4 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 Ultra M.2 (PCIe Gen3 x4 & SATA3) 3 USB 3.2 Gen2 (Rear Type A+C, Front Type-C), 6 USB 3.2 Gen1 (2 Front, 4 Rear) Intel® 2.5G LAN, Wi-Fi 6 802.11ax (2.4Gbps) + BT 5.1 Specifications: Gaming Armor Power HiDensity Power Connectors (24 pin and 8 pin) Memory 15μ Gold Contact in DIMM Slots VGA Card 15μ Gold Contact in VGA PCIe Slot (PCIE1) Internet Intel® 2.5G LAN Audio Nahimic Audio Unique Feature ASRock USB 3.2 Gen2 ASRock Front Panel USB 3.2 Gen2 TypeC Header (10 Gb/s) ASRock USB 3.2 Gen2 TypeA Port (10 Gb/s) ASRock USB 3.2 Gen2 TypeC Port (10 Gb/s) ASRock Super Alloy Premium 90A Power Choke 90A Dr.MOS Premium Memory Alloy Choke (Reduces 70% core loss compared to iron powder choke) Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) I/O Armor Matte Black PCB High Density Glass Fabric PCB 8 Layer PCB 2oz Copper PCB Intel® 2.5G LAN Intel® 802.11ax WiFi ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop CPU Supports AMD AM4 Socket Ryzen™ 3000, 4000 GSeries and 5000 Series Desktop Processors Digi Power design 8 Power Phase design Chipset AMD B550 Memory Dual Channel DDR4 Memory Technology 2 x DDR4 DIMM Slots AMD Ryzen series CPUs (Matisse) support DDR4 5100+(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & nonECC, unbuffered memory AMD Ryzen series APUs (Renoir) support DDR4 5400+(OC) / 5300(OC) / 5200(OC) / 5100(OC) / 5000(OC) / 4933(OC) / 4866(OC) / 4800(OC) / 4733(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 ECC & nonECC, unbuffered memory Max. capacity of system memory: 64GB Supports Extreme Memory Profile (XMP) memory modules 15μ Gold Contact in DIMM Slots BIOS 256Mb AMI UEFI Legal BIOS with GUI support Supports "Plug and Play" ACPI 5.1 compliance wake up events Supports jumperfree SMBIOS 2.3 support CPU, CPU VDDCR_SOC, DRAM, VPPM, Chipset 1.05V, 2.50V, +1.8V, VDDP Voltage Multiadjustment Graphics Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU DirectX 12, Pixel Shader 5.0 Shared memory default 2GB. Max Shared memory supports up to 16GB. Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@120Hz Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required) Supports HDR (High Dynamic Range) with HDMI 2.1 Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports Supports Microsoft® PlayReady Audio 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec) Premium Bluray Audio support Supports Surge Protection 120dB SNR DAC with Differential Amplifier Pure PowerIn Direct Drive Technology PCB Isolate Shielding Impedance Sensing on Rear Out port Individual PCB Layers for R/L Audio Channel 15μ Gold Audio Connector Nahimic Audio LAN 2.5 Gigabit LAN 10/100/1000/2500 Mb/s GigaLAN Intel® I225V Supports WakeOnLAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports PXE Wireless LAN Intel® 802.11ax WiFi Module Supports IEEE 802.11a/b/g/n/ax Supports DualBand (2.4/5 GHz) Supports WiFi6 802.11ax (2.4Gbps) 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology Supports Bluetooth 5.1 + High speed class II Supports MUMIMO Slots AMD Ryzen series CPUs (Matisse) 1 x PCI Express x16 Slot (PCIE1: Gen4x16 mode) AMD Ryzen series APUs (Renoir) 1 x PCI Express x16 Slot (PCIE1: Gen3x16 mode) 1 x Vertical M.2 Socket (Key E) with the bundled WiFi802.11ax PCIe WiFi module (on the rear I/O) 15μ Gold Contact in VGA PCIe Slot (PCIE1) Storage 4 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir) 1 x Ultra M.2 Socket, supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x4 (32 Gb/s) Connector 1 x RGB LED Header 1 x Addressable LED Header 1 x CPU Fan Connector (4pin) 1 x CPU/Water Pump Fan Connector (4pin) (Smart Fan Speed Control) 1 x Chassis/Water Pump Fan Connector (4pin) (Smart Fan Speed Control) 1 x 24 pin ATX Power Connector (HiDensity Power Connector) 1 x 8 pin 12V Power Connector (HiDensity Power Connector) 1 x Front Panel Audio Connector (15μ Gold Audio Connector) 1 x USB 2.0 Header (Supports 2 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) 1 x Front Panel Type C USB 3.2 Gen2 Header (Supports ESD Protection) Rear Panel I/O 2 x Antenna Ports 1 x HDMI Port 1 x DisplayPort 1.4 1 x USB 3.2 Gen2 TypeA Port (10 Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 TypeC Port (10 Gb/s) (Supports ESD Protection) 4 x USB 3.2 Gen1 Ports (Supports ESD Protection) 1 x RJ45 LAN Port with LED (ACT/LINK LED and SPEED LED) HD Audio Jacks: Line in / Front Speaker / Microphone Software and UEFI Software ASRock Motherboard Utility (Phantom Gaming Tuning) ASRock Polychrome SYNC ASRock Key Master ASRock XFast LAN UEFI ASRock Full HD UEFI ASRock Instant Flash Support CD Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar Accessories Quick Installation Guide, Support CD 2 x SATA Data Cables 1 x ASRock WiFi 2.4/5 GHz Antenna 1 x Screw for M.2 Socket Hardware Monitor Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans Fan MultiSpeed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore Form Factor MiniITX Form Factor: 6.7in x 6.7in, 17.0 cm x 17.0 cm 8 Layer PCB 2oz Copper PCB OS Microsoft® Windows® 10 64bit Certifications FCC, CE ErP/EuP ready (ErP/EuP ready power supply is required)