ASRock B550M Pro4 AMD Motherboard
Overview :
- Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors
- 8 Power Phase Design, Digi Power
- Supports DDR4 4533 (OC)
- 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
- Graphics Output Options: HDMI, DisplayPort, D-Sub
- AMD CrossFireX™
- 7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio
- 6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3)
- 2 USB 3.2 Gen2 (Rear Type A C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
- Realtek Gigabit LAN
Specification :
| Unique Feature | 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 | |
| CPU | Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors* | 
| Digi Power design | |
| 8 Power Phase design | |
| *Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3 3200G. | |
| Chipset | AMD B550 | 
| Memory | Dual Channel DDR4 Memory Technology | 
| 4 x DDR4 DIMM Slots | |
| 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 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* | |
| Max. capacity of system memory: 128GB** | |
| Supports Extreme Memory Profile (XMP) memory modules | |
| 15μ Gold Contact in DIMM Slots* | |
| **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. | |
| 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 | |
| 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 (4096×2160) @ 60Hz | |
| Supports DisplayPort 1.4 with max. resolution up to 5K (5120×2880)@120Hz | |
| Supports D-Sub with max. resolution up to 1920×1200 @ 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 | |
| *Actual support may vary by CPU | |
| **The Max shared memory 16GB requires 32GB system memory installed. | |
| 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 | |
| LAN | PCIE x1 Gigabit LAN 10/100/1000 Mb/s | 
| Realtek RTL8111H | |
| Supports Wake-On-LAN | |
| Supports Lightning/ESD Protection | |
| Supports Energy Efficient Ethernet 802.3az | |
| Supports PXE | |
| Slots | AMD Ryzen series CPUs (Matisse) | 
| 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* | |
| AMD Ryzen series APUs | |
| 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* | |
| 1 x PCI Express 3.0 x1 Slot | |
| Supports AMD Quad CrossFireX™ and CrossFireX™ | |
| 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module | |
| *Supports NVMe SSD as boot disks | |
| Storage | 6 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)** | |
| 1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)** | |
| *M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. | |
| **Supports NVMe SSD as boot disks | |
| Supports ASRock U.2 Kit | |
| Connector | 1 x COM Port Header | 
| 1 x SPI TPM 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) | |
| *Support in total up to 12V/3A, 36W LED Strip | |
| **Support in total up to 5V/3A, 15W LED Strip | |
| ***The CPU Fan Connector supports the CPU fan of maximum 1A (12W) fan power. | |
| ****The Chassis/Water Pump Fan supports the water cooler fan of maximum 2A (24W) fan power. | |
| 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. | |
| Rear Panel I/O | 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 | |
| Software and UEFI | Software | 
| ASRock Motherboard Utility (A-Tuning) | |
| ASRock XFast LAN | |
| UEFI | |
| ASRock Full HD UEFI | |
| ASRock Instant Flash | |
| *These utilities can be downloaded from ASRock Live Update & APP Shop. | |
| Support CD | Drivers, Utilities, AntiVirus Software (Trial Version), Google Chrome Browser and Toolbar | 
| Accessories | Quick Installation Guide, Support CD, I/O Shield | 
| 2 x SATA Data Cables | |
| 2 x Screws for M.2 Sockets | |
| 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 Multi-Speed Control: CPU, CPU/Water Pump, Chassis/Water Pump Fans | |
| Voltage monitoring: 12V, 5V, 3.3V, CPU Vcore, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 1.8V, VDDP | |
| 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 | |
| OS | Microsoft® Windows® 10 64-bit | 
| Certifications | FCC, CE | 
| ErP/EuP ready (ErP/EuP ready power supply is required) | |
| Warranty | 3 Years | 
 
				
					
 
								