Basic Information | ||
Supported CPU | - Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™ Processors* - Digi Power design - 8 Power Phase design |
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Chipset | AMD B550 | |
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, 1.05V_PROM_S5, 2.5V_PROM +1.8VSB, VDDP Voltage Multi-adjustment |
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Form Factor | - Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm - Solid Capacitor design - 2oz Copper PCB |
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Audio | - 7.1 CH HD Audio with Content Protection (Realtek ALC1200 Audio Codec) - Premium Blu-ray Audio support - Supports Surge Protection - PCB Isolate Shielding - Individual PCB Layers for R/L Audio Channel - Nahimic Audio |
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Expansion Slots | ||
PCI | 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1 | |
M.2 Socket | - 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module | |
Memory | ||
Type | DDR4 | |
Slots | AMD Ryzen series CPUs (Vermeer and Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Picasso) - 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX and CrossFireX |
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Supported Memory | - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots - AMD Ryzen series CPUs (Vermeer) 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 & non-ECC, un-buffered memory* - 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 & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Cezanne) 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 & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Renoir) 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 & non-ECC, un-buffered memory* - AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* - Supports Extreme Memory Profile (XMP) memory modules - 15μ Gold Contact in DIMM Slots |
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Maximum Memory | 128GB | |
Graphics | ||
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. - Three graphics output options: D-Sub, HDMI and DisplayPort 1.4 - Supports Triple Monitor - 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 D-Sub with max. resolution up to 1920x1200 @ 60Hz - 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 |
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Connector & Ports | ||
HDMI | 1 x HDMI Port | |
Internal I/O Ports | - Antenna Bracket - 1 x PS/2 Mouse/Keyboard Port - 1 x D-Sub Port - 1 x HDMI Port - 1 x DisplayPort 1.4 - 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) - 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) - 2 x USB 2.0 Ports (Supports ESD Protection) - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) - HD Audio Jacks: Line in / Front Speaker / Microphone - 1 x COM Port Header - 1 x Power LED and Speaker Header - 2 x RGB LED Headers* - 2 x Addressable LED Headers** - 1 x CPU Fan Connector (4-pin)*** - 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control)**** - 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control)***** - 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector - 1 x Front Panel Audio Connector - 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) - 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection) |
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Display Port (s) | 1 x DisplayPort 1.4 | |
USB (s) | - 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) - 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) - 2 x USB 2.0 Ports (Supports ESD Protection) - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) |
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LAN Port (s) | - 1 x RJ-45 LAN Port with LED (ACT/LINK LED and SPEED LED) | |
Supported Storage | 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug | |
D-Sub (s) | 1 x D-Sub Port | |
TPM (Trusted Platform Module ) | - 1 x SPI TPM Header | |
Others | ||
Special Features | ASRock USB 3.2 Gen2 - ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) - ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 50A Power Choke - Sapphire Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop |
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Warranty Information | ||
Manufacturing Warranty | 03 Years Warranty |
The ASRock B550M Pro4 DDR4 AMD Motherboard delivers powerful performance for gamers and PC enthusiasts looking to build a future-ready AMD system. Designed with the B550 chipset, this Micro ATX motherboard supports 3rd Gen AMD Ryzen and future Ryzen processors, offering full compatibility and peak computing performance. With top-tier features like PCIe 4.0 support, high-speed USB 3.2 Gen2 ports, and premium audio powered by Nahimic, this board ensures seamless multitasking, gaming, and streaming. The robust 8 Power Phase design, Digi Power, and solid capacitor build ensure long-lasting durability and stable power delivery for high-end components.
Engineered for the latest AMD AM4 processors, this motherboard ensures long-term compatibility and excellent performance for gaming, content creation, and everyday computing.
Equipped with PCIe 4.0 x16 slot and Hyper M.2 (Gen4x4), you get ultra-fast data transfer speeds and next-level gaming performance with future-proof NVMe SSD support.
Comes with four DIMM slots supporting DDR4 memory speeds up to 4733+ MHz (OC), giving you flexibility and power for memory-intensive tasks.
Enjoy blazing-fast data speeds and comprehensive peripheral support with USB 3.2 Gen2 Type-A and Type-C ports, along with DisplayPort 1.4 and HDMI 2.1 for 4K and 5K output.
Immerse yourself in crystal-clear audio quality, enhanced by Realtek ALC1200 codec and Nahimic Audio technology, ideal for gaming, streaming, and high-fidelity media playback.
Built to last, the ASRock Super Alloy components including a Sapphire Black PCB, 2oz Copper layers, and Steel PCIe Slot provide excellent durability and performance under load.
Smart fan speed control and dedicated connectors for CPU and water pump cooling solutions keep your system temperature under control, even during intense gaming sessions.
Supports integrated AMD Vega graphics with up to 16GB shared memory and triple monitor output via HDMI, DisplayPort, and D-Sub, making it ideal for both gaming and productivity.
Stay up-to-date effortlessly with easy driver and software updates through the ASRock APP Shop, keeping your system running smoothly at all times.
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