Description
EVERYTHING YOU NEED FOR COMPUTING
This AMD B550M Pro4 Micro ATX motherboard from ASRock is built for 3rd Gen AMD Ryzen™ processors and future generation processors. The AMD B550 chipset makes PCI-e 4.0 available for those who desire high performance, bandwidth and speed. Enjoy stunning lighting and with Polychrome RGB Sync-certified devices you can synchronize across your compatible accessories. With ASRock Super Alloy features you get to utilize the XXL Aluminium Heatsink, premium components and 2oz Copper PCB delivering lower temperature and higher energy efficiency for overclocking. Featuring a wealth of USB connectivity, HDMI, DisplayPort and D-SUB ports. Plus the Dual M.2 with M.2 armor means this solution is compatible to perform for SSD – gamers can take pleasure from the rapid speed that this motherboard delivers.
This AMD B550M Pro4 Micro ATX motherboard from ASRock is built for 3rd Gen AMD Ryzen™ processors and future generation processors. The AMD B550 chipset makes PCI-e 4.0 available for those who desire high performance, bandwidth and speed. Enjoy stunning lighting and with Polychrome RGB Sync-certified devices you can synchronize across your compatible accessories. With ASRock Super Alloy features you get to utilize the XXL Aluminium Heatsink, premium components and 2oz Copper PCB delivering lower temperature and higher energy efficiency for overclocking. Featuring a wealth of USB connectivity, HDMI, DisplayPort and D-SUB ports. Plus the Dual M.2 with M.2 armor means this solution is compatible to perform for SSD – gamers can take pleasure from the rapid speed that this motherboard delivers.
Please note: B550 Motherboards are ready for 3rd Gen AMD AM4 Ryzen™ Processors and Future AMD Ryzen™ Processors.
Not Compatible with AMD Ryzen™ 5 3400G & AMD Ryzen™ 3 3200G.
AMD B550 Chipset
AM4 CPU Socket
3rd Gen AMD Ryzen™ and Future Compatible CPUs
Micro ATX Form Factor
Component Breakdown of the B550M Pro4
1. Supports 3rd Gen / future AM4 AMD Ryzen™ Processors | 2. Dual Channel DDR4 Memory Technology
3. 24Pin ATX Hi-Density Connector | 4. Premium 50A Power Choke / 8 Power Phase Design / Digi Power VRM
5. 8Pin 12V Hi-Density Power Connectors | 6. XXL Aluminium Alloy Heatsink
7. PCIe Steel Slot, 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1
8. M.2 Armor Solution / Hyper M.2 Socket, supports PCIe Gen4x4
9. M.2 (Key E) Slot for WiFi *Module not included | 10.M.2 Socket running PCIe Gen3 x2 / SATA3 mode
3. 24Pin ATX Hi-Density Connector | 4. Premium 50A Power Choke / 8 Power Phase Design / Digi Power VRM
5. 8Pin 12V Hi-Density Power Connectors | 6. XXL Aluminium Alloy Heatsink
7. PCIe Steel Slot, 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1
8. M.2 Armor Solution / Hyper M.2 Socket, supports PCIe Gen4x4
9. M.2 (Key E) Slot for WiFi *Module not included | 10.M.2 Socket running PCIe Gen3 x2 / SATA3 mode
Rule your own Lighting Way with Polychrome RGB
SYNCHRONIZE ACROSS THE RGB SYNC-CERTIFIED ACCESSORIES
This B550M Pro4 motherboard features onboard RGB headers and an addressable RGB header that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.
*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters. *The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.
This B550M Pro4 motherboard features onboard RGB headers and an addressable RGB header that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.
*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters. *The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.
Built with a Wealth of Connectivity
DUAL USB TYPE-A + TYPE-C FEATURING REALTEK GIGABIT LAN
Discover an array of USB connections with 8 USB 3.2 Gen1 (4 Front, 4 Rear), Realtek Gigabit LAN, and also has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear I/O for supporting next generation USB 3.2 Gen2 devices and delivers up to 10 Gbps data transfer rates. With the three most popular connectors, B550M Pro4 includes a HDMI, D-SUB and DisplayPort combo so now you have even more graphics output solution.
Discover an array of USB connections with 8 USB 3.2 Gen1 (4 Front, 4 Rear), Realtek Gigabit LAN, and also has a pair of onboard Type-A and Type-C USB 3.2 Gen2 ports built on the rear I/O for supporting next generation USB 3.2 Gen2 devices and delivers up to 10 Gbps data transfer rates. With the three most popular connectors, B550M Pro4 includes a HDMI, D-SUB and DisplayPort combo so now you have even more graphics output solution.
M.2 Armor Provides Protection for SSD Longevity
A SOLID M.2 SOLUTION PERFORMER
Ready for higher capacity and even faster Type 22110 M.2 NVMe SSD to fulfill the need of performance. The Hyper M.2 socket supports PCIe Gen4 x4 while Ultra M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.
Ready for higher capacity and even faster Type 22110 M.2 NVMe SSD to fulfill the need of performance. The Hyper M.2 socket supports PCIe Gen4 x4 while Ultra M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.
Reinforced Steel Slot
STRONG PROTECTION
The strengthened steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include extra anchor points, stronger latch, ensures signal stability, and makes sure heavy graphics cards to be well-installed.
The strengthened steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include extra anchor points, stronger latch, ensures signal stability, and makes sure heavy graphics cards to be well-installed.
Equipped to Deliver an Extreme Audio Performance
AUDIO THAT MATTERS
Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.
Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.
Support Software for your ASRock Motherboard
FULL SPIKE PROTECTION
ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.
ASRock Full Spike Protection includes various technologies to prevent your motherboard’s components from being damaged by these unexpected voltage spikes.
LIVE UPDATE & APP SHOP
ASRock Live Update & APP Shop is designed for your convenience. Users can download various apps and support software, optimise your system with ease and keep your motherboard up to date with.
| SPECIFICATIONS | |
| Brand | ASRock |
| Series | Pro4 |
| Model | B550M Pro4 |
| CPU | Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 And 5000 G-Series Desktop Processors* |
| Digi Power Design | |
| 8 Power Phase Design | |
| Chipset | AMD B550 |
| Memory | Dual Channel DDR4 Memory Technology |
| 4x 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* | |
| Max. Capacity Of System Memory: 128GB** | |
| 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, 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 | |
| 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 (Vermeer And Matisse) |
| – 2x PCI Express X16 Slots (PCIE1: Gen4x16 Mode; PCIE3: Gen3 X4 Mode)* | |
| AMD Ryzen Series APUs (Cezanne And Renoir) | |
| – 2x PCI Express X16 Slots (PCIE1: Gen3x16 Mode; PCIE3: Gen3 X4 Mode)* | |
| AMD Ryzen Series APUs (Picasso) | |
| – 2x PCI Express X16 Slots (PCIE1: Gen3x8 Mode; PCIE3: Gen3 X4 Mode)* | |
| – 1x PCI Express 3.0 X1 Slot | |
| – Supports AMD Quad CrossFireX And CrossFireX | |
| – 1x M.2 Socket (Key E), Supports Type 2230 WiFi/BT PCIe WiFi Module | |
| *Supports NVMe SSD As Boot Disks | |
| Storage | – 6x SATA3 6.0 Gb/S Connectors, Support RAID (RAID 0, RAID 1 And RAID 10), NCQ, AHCI And Hot Plug* |
| – 1x Hyper M.2 Socket (M2_1), Supports M Key Type 2280 M.2 PCI Express Module Up To Gen4x4 (64 Gb/S) (With Vermeer, Matisse) Or Gen3x4 (32 Gb/S) (With Cezanne, Renoir And Picasso)** | |
| – 1x 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 | |
| Connector | 1x COM Port Header |
| 1x SPI TPM Header | |
| 1x Power LED And Speaker Header | |
| 2x RGB LED Headers* | |
| 2x Addressable LED Headers** | |
| 1x CPU Fan Connector (4-Pin)*** | |
| 1x CPU/Water Pump Fan Connector (4-Pin) (Smart Fan Speed Control)**** | |
| 4x Chassis/Water Pump Fan Connectors (4-Pin) (Smart Fan Speed Control)***** | |
| 1x 24 Pin ATX Power Connector | |
| 1x 8 Pin 12V Power Connector | |
| 1x Front Panel Audio Connector | |
| 2x USB 2.0 Headers (Support 4 USB 2.0 Ports) (Supports ESD Protection) | |
| 2x 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 CPU/Water Pump Fan Supports The Water Cooler Fan Of Maximum 2A (24W) 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 |
| 1x PS/2 Mouse/Keyboard Port | |
| 1x D-Sub Port | |
| 1x HDMI Port | |
| 1x DisplayPort 1.4 | |
| 1x USB 3.2 Gen2 Type-A Port (10 Gb/S) (Supports ESD Protection) | |
| 1x USB 3.2 Gen2 Type-C Port (10 Gb/S) (Supports ESD Protection) | |
| 4x USB 3.2 Gen1 Ports (ASMedia ASM1074 Hub) (Supports ESD Protection) | |
| 2x USB 2.0 Ports (Supports ESD Protection) | |
| 1x 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. | |
| Certifications | FCC, CE |
| ErP/EuP ready (ErP/EuP ready power supply is required) | |
| 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: 24.4 cm X 24.4 cm |
| Solid Capacitor Design | |
| 2oz Copper PCB | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
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