ASRock B550 Pro4 Motherboard
Everything You Need For Computing
Nahimic Audio
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.
The Sound Tracker is a visual indicator that points out the directions from which predominant sounds are coming. Each sound is properly positioned in 360° on a radar for a full immersion during the game.
8 Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
Premium 50A Power Choke
Compared to traditional chokes, ASRock’s premium 50A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the motherboard.
2oz Copper PCB
2 ounce copper inner layers that provide stable signal traces and power shapes! Delivering lower temperature and higher energy efficiency for overclocking, it’s able to support the latest DDR4 memory modules with most extreme memory performance!
RULE YOUR OWN LIGHTING WAY – POLYCHROME RGB
ASRock motherboards deliver stunning performance and superior aesthetics to rule your own colorful lighting way! ASRock offers a very comprehensive control to perform the built-in RGB LEDs or the connected LED strips, CPU fans, coolers, chassis and any RGB devices smoothly. Devices can be synchronized across the Polychrome RGB Sync-certified accessories as well.
*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.
A SOLID M.2-SOLUTION PERFORMER
Dual M.2 For SSD, Supports Type 22110 M.2
Ready for higher capacity and even faster Type 22110 M.2 NVMe SSD to fulfill the need of performance. Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.
M.2 Armors
Good M.2 SSD protection is important for longevity and stability. ASRock provides a completed M.2 armor solution that makes SSDs to run in a certain low temperature.
AMD SMART ACCESS MEMORY
Conventional PC systems processor can only access a fraction of graphics memory and limits system performance. With AMD Smart Access Memory, the data channel gets expanded to harness the full potential of GPU memory, removes the bottleneck and increase performance.
Reinforced Steel Slot [PCIe 4.0 Version]
The reinforced steel slot comes with the next generation PCI Express 4.0 standard. The various benefits include:
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.
Dual USB 3.2 Gen2 (Type-A + Type-C)
This motherboard 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 to deliver up to 10 Gbps data transfer rates.
USB 3.2 Gen2 doubles the data transfer rate
USB 3.2 Gen2 Type-C doubles the charge speed!
M.2 (KEY E) For WiFi
Besides the onboard LAN port, users may also choose 802.11ac wireless connections by M.2 (Key E) slot.
*Wi-Fi module is not included.
Post Status Checker
An easy troubleshooting tool that shows the CPU / DRAM / VGA / BOOT operation every time you start up the system. Post Status Checker is an fast and easy way to identify the source of the problem.
AMD StoreMI Technology
A powerful tool that combines the speed of your SSD with the capacity of your hard disk into a single, fast, easy-to-manage drive, AMD StoreMI technology “combines” these two types of storage into a single drive and automatically moves the data you access the most to the SSD, so you get the best of both worlds.
XXL Aluminum Alloy Heatsink
Extra large aluminum alloy heat sinks that effectively take away heat from the MOSFET and chipset so that your whole system may perform more stable.
Sapphire Black PCB
Pure black PCB appearance. The new Sapphire Black PCB represents rock-solid quality and gives the motherboard a more mysterious touch.
High Density Glass Fabric PCB
High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the motherboard against electrical shorts caused by humidity.
2oz Copper PCB
Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.
Dual Graphics Outputs
Complete with two types of most used connectors! Packed with a HDMI + D-SUB combo, you have more graphics output options now.
Full Spike Protection
Some sensitive digital components on the motherboard are vulnerable to power surges, the excessive current may cause your system to malfunction immediately. 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. We provide various apps and support software for users to download. You can also easily optimize your system and keep your motherboard up to date with ASRock Live Update & APP Shop
Specifications:
| Brand | ASRock |
|---|---|
| Model | B550 PRO4 |
| CPU Socket Type | AM4 |
|---|---|
| CPU Type | Supports 3rd Gen AMD AM4 Ryzen / future AMD Ryzen Processors* * Not compatible with AMD Ryzen 5 3400G and Ryzen 3 3200G. * BIOS update might require for AMD Zen 3 Ryzen 5000 series CPU. Refer to ASRock website for CPU support list. |
| Chipset | AMD B550 |
|---|
| Number of Memory Slots | 4×288pin |
|---|---|
| Memory Standard | 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 (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** For Ryzen Series CPUs (Picasso), ECC is only supported with PRO CPUs. |
| Maximum Memory Supported | 128GB ** 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. |
| Channel Supported | Dual Channel |
| PCI Express 4.0 x16 | AMD Ryzen series CPUs (Matisse) – 1 x PCI Express x16 Slots (PCIE1: Gen4x16 mode)* AMD Ryzen series APUs (Renoir) – 1 x PCI Express x16 Slots (PCIE1: Gen3x16 mode)* * Supports NVMe SSD as boot disks |
|---|---|
| PCI Express 3.0 x16 | AMD Ryzen series CPUs (Matisse) – 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Renoir) – 1 x PCI Express x16 Slots (PCIE3: Gen3 x4 mode)* * Supports NVMe SSD as boot disks |
| PCI Express x1 | 2 x PCI Express 3.0 x1 Slots |
| Other Slots | 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT module |
| SATA 6Gb/s | 6 x SATA3 6.0Gb/s Connectors, support RAID, NCQ, AHCI and Hot Plug* * M2_3 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. |
|---|---|
| M.2 | 1 x Hyper M.2 Socket (M2_1), supports M Key type 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64Gb/s) (with Matisse) or Gen3x4 (32Gb/s) (with Renoir)** 1 x M.2 Socket (M2_3), supports M Key type 2242/2260/2280 M.2 SATA3 6.0Gb/s module and M.2 PCI Express module up to Gen3 x2 (16Gb/s)**** Supports NVMe SSD as boot disks ** Supports ASRock U.2 Kit |
| SATA RAID | 0/1/10 |
| Onboard Video Chipset | 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 D-Sub ports by independent display controllers Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096×2160) @ 60Hz 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 Port Supports 4K Ultra HD (UHD) playback with HDMI 2.1 Port Supports Microsoft PlayReady* Actual support may vary by CPU. ** The Max shared memory 16GB requires 32GB system memory installed. |
|---|
| Audio Chipset | Realtek ALC1200 |
|---|---|
| Audio Channels | 7.1 Channels |
| LAN Chipset | Realtek RTL8111H |
|---|---|
| Max LAN Speed | 10/100/1000Mbps |
| Back I/O Ports | Antenna Bracket 1 x PS/2 Mouse/Keyboard Port 1 x D-Sub Port 1 x HDMI Port 1 x USB 3.2 Gen2 Type-A Port (10Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10Gb/s) (Supports ESD Protection) 4 x USB 3.2 Gen1 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 |
|---|
| Onboard USB | 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports) (Supports ESD Protection) |
|---|---|
| Other Connectors | 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 Front Panel Audio Connector* 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. |
| Form Factor | ATX |
|---|---|
| LED Lighting | RGB |
| Dimensions (W x L) | 12.0″ x 9.6″ |
| Power Pin | 1 x 24-pin ATX Power Connector 1 x 8-pin 12V Power Connector 1 x 4-pin 12V Power Connector |
| Features | Unique Feature: ASRock USB 3.2 Gen2 – ASRock USB 3.2 Gen2 Type-A Port (10Gb/s) – ASRock USB 3.2 Gen2 Type-C Port (10Gb/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 ShopBIOS: – 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-adjustmentSoftware and UEFI: Software – ASRock Motherboard Utility (A-Tuning) – ASRock Polychrome SYNC – 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 ToolbarHardware 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, VDDPOS: – Microsoft Windows 10 64-bitCertifications: – FCC, CE – ErP/EuP ready (ErP/EuP ready power supply is required) |
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