Asrock B550 PRO4 Mb B550 Pro4 Amd Am4 Ryzen Future Amd Ryzen B550 Ddr4 128g Pcie Atx Rtl

<b>Unique Feature</b><br>ASRock USB 3.2 Gen2<br>- ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) <br>- ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) <br>ASRock Super Alloy<br>- XXL Aluminum Alloy Heatsink<br>- Premium 50A Power Choke<br>- Sapphire Black PCB<br>- High Density Glass Fabric PCB<br>- 2oz Copper PCB<br>ASRock Steel Slot Gen4<br>ASRock Full Coverage M.2 Heatsink<br>ASRock Hyper M.2 (PCIe Gen4x4) <br>ASRock POST Status Checker (PSC) <br>ASRock Full Spike Protection (for all USB, Audio, LAN Ports) <br>ASRock Live Update and APP Shop <b>CPU</b><br>- Supports 3^rd Gen AMD AM4 Ryzen^TM / future AMD Ryzen^TM Processors^note1<br>- Digi Power design<br>- 8 Power Phase design<br><br>Note1: Not compatible with AMD Ryzen^TM 5 3400G and Ryzen^TM 3 3200G <b>Chipset</b><br>- AMD B550 <b>Memory</b><br>- Dual Channel DDR4 Memory Technology<br>- 4 x DDR4 DIMM Slots<br>- AMD Ryzen series CPUs (Matisse) support DDR4 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 and non-ECC, un-buffered memory^note1<br>- AMD Ryzen series APUs support DDR4 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 and non-ECC, un-buffered memory^note1<br>- Max. capacity of system memory: 128GB^note1<br>- Supports Extreme Memory Profile (XMP) memory modules<br>- 15Mu Gold Contact in DIMM Slots<br><br>SR: Single rank DIMM, 1Rx4 or 1Rx8 on DIMM module label x is equal to 1 or 2<br>DR: Dual rank DIMM, 2Rx4 or 2Rx8 on DIMM module label<br><br>Note2: Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation. <b>BIOS</b><br>- 256Mb AMI UEFI Legal BIOS with GUI support<br>- Supports "Plug and Play"<br>- ACPI 5.1 compliance wake up events<br>- Supports jumperfree<br>- SMBIOS 2.3 support<br>- CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment <b>Graphics</b><br>- Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU^note1<br>- DirectX 12, Pixel Shader 5.0<br>- Shared memory default 2GB. Max Shared memory supports up to 16GB.^note2<br>- Dual graphics output: support HDMI and D-Sub ports by independent display controllers<br>- Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) at 60Hz<br>- Supports D-Sub with max. resolution up to 1920x1200 at 60Hz<br>- Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required) <br>- Supports HDR (High Dynamic Range) with HDMI 2.1<br>- Supports HDCP 2.3 with HDMI 2.1 Port<br>- Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port<br>- Supports Microsoft PlayReady<br><br>Note1: Actual support may vary by CPU<br>Note2: The Max shared memory 16GB requires 32GB system memory installed. <b>Audio</b><br>- 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec) <br>- Premium Blu-ray Audio support<br>- Supports Surge Protection<br>- PCB Isolate Shielding<br>- Individual PCB Layers for R/L Audio Channel<br>- Nahimic Audio <b>LAN</b><br>- PCIE x1 Gigabit LAN 10/100/1000 Mb/s<br>- Realtek RTL8111H<br>- Supports Wake-On-LAN<br>- Supports Lightning/ESD Protection<br>- Supports Energy Efficient Ethernet 802.3az<br>- Supports PXE <b>Slots</b><br>AMD Ryzen series CPUs (Matisse) <br>- 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode PCIE3: Gen3 x4 mode)^note1<br>AMD Ryzen series APUs<br>- 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode PCIE3: Gen3 x4 mode)^note1<br>- 2 x PCI Express 3.0 x1 Slots<br>- Supports AMD Quad CrossFireX^TM and CrossFireX^TM<br>- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module<br><br>Note1: Supports NVMe SSD as boot disks <b>Storage</b><br>- 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug^note1<br>- 1 x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s)^note2<br>- 1 x M.2 Socket (M2_3), supports M Key type 2242/2260/2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)^note2<br><br>Note1: M2_3 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. <br>Note2: Supports NVMe SSD as boot disks<br>Supports ASRock U.2 Kit <b>Connector</b><br>- 1 x COM Port Header<br>- 1 x SPI TPM Header<br>- 1 x Power LED and Speaker Header<br>- 2 x RGB LED Headers^note1<br>- 2 x Addressable LED Headers^note2<br>- 1 x CPU Fan Connector (4-pin)^note3<br>- 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) <br>- 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)^note4<br>- 1 x 24 pin ATX Power Connector<br>- 1 x 8 pin 12V Power Connector<br>- 1 x 4 pin 12V Power Connector<br>- 1 x Front Panel Audio Connector<br>- 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) <br>- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) <br><br>Note1: Support in total up to 12V/3A, 36W LED Strip<br>Note2: Support in total up to 5V/3A, 15W LED Strip<br>Note3: The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. <br>Note4: The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. <br>CPU_FAN2/WP, CHA_FAN1/WP, CHA_FAN2/WP, CHA_FAN3/WP and CHA_FAN4/WP can auto detect if 3-pin or 4-pin fan is in use. <b>Rear Panel I/O</b><br>- Antenna Bracket<br>- 1 x PS/2 Mouse/Keyboard Port<br>- 1 x D-Sub Port<br>- 1 x HDMI Port<br>- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) <br>- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) <br>- 4 x USB 3.2 Gen1 Ports (Supports ESD Protection) <br>1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) <br>HD Audio Jacks: Line in / Front Speaker / Microphone <b>Software and UEFI</b><br>Software<br>- ASRock Motherboard Utility (A-Tuning) <br>- ASRock Polychrome SYNC<br>- ASRock XFast LAN<br>UEFI<br>- ASRock Full HD UEFI<br>- ASRock Instant Flash<br><br>Note: These utilities can be downloaded from ASRock Live Update and APP Shop. <b>Support CD</b><br>- Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar <b>Accessories</b><br>- Quick Installation Guide, Support CD, I/O Shield<br>- 2 x SATA Data Cables<br>- 3 x Screws for M.2 Sockets<br>- 1 x Standoff for M.2 Socket <b>Hardware Monitor</b><br>- Temperature Sensing: CPU, CPU/Water Pump, Chassis/Water Pump Fans<br>- Fan Tachometer: CPU, CPU/Water Pump, Chassis/Water Pump Fans<br>- Quiet Fan (Auto adjust chassis fan speed by CPU temperature): CPU, CPU/Water Pump, Chassis/Water Pump Fans<br>- Fan Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans<br>- Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, +1.8V, VDDP <b>Form Factor</b><br>- ATX Form Factor: 12.0-in x 9.6-in, 30.5 cm x 24.4 cm<br>- Solid Capacitor design<br>- 2oz Copper PCB <b>OS</b><br>- Microsoft Windows 10 64-bit <b>Certifications</b><br>- FCC, CE<br>- ErP/EuP ready (ErP/EuP ready power supply is required) <b>Item Dimension (L inchxW inchxH inch)</b><br>15 x 13 x 4 <br><br><b>Weight</b><br>6.00 LB<br><br><b>Warranty Information</b><br> 3 Years