ASRock B550 Pro4 ATX Gaming Motherboard
WARRANTY
3 Years Warranty
Product Type
Motherboards
CPU PLATFORM
AMD
CPU SOCKET
AM4
FORM FACTOR
ATX
MEMORY TYPE
DDR4
Brand
Asrock
CHIPSET
AMD B550
MAXIMUM MEMORY
128 GB
IDEAL FOR GAMING
YES
ASRock B550 Pro4 ATX Gaming Motherboard (AMD Socket AM4/5th Generation Ryzen Series CPU/Max 128GB DDR4 4733MHz Memory)
FEATURES :
Supports AMD AM4 Socket Ryzen 3000, 4000 G-Series, and 5000 Series Desktop Processors
8 Power Phase Design, Digi Power
Supports DDR4 4733+ (OC)
1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
Graphics Output Options: HDMI, 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), 6 USB 3.2 Gen1 (2 Front, 4 Rear)
Gigabit LAN
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 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 at 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 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 the most extreme memory performance!
Rule Your Lighting Way – POLYCHROME RGB :
ASRock motherboards deliver stunning performance and superior aesthetics to rule your 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.
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. Hyper M.2 socket that supports PCIe Gen4 x4 while M.2 socket is capable of running PCIe Gen3 x2 and SATA3 mode.
AMD Smart Access Memory :
Conventional PC systems processors 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, remove the bottleneck and increase performance.
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.
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.
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 a 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 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 an 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.
TECHNICAL SPECIFICATIONS :
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 (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*
Max. the 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 reservation 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.**
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
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 (Renoir)
2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)*
2 x PCI Express 3.0 x1 Slots
Supports AMD Quad CrossFireX and CrossFireX
1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi 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 2260/2280/22110 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Matisse) or Gen3x4 (32 Gb/s) (with Renoir)**
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)**
*M2_3 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 support 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 4 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)
1 x USB 3.2 Gen1 Header (Supports 2 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 a 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 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 (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 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 Toolbar
Accessories
Quick Installation Guide, Support CD, I/O Shield
2 x SATA Data Cables
3 x Screws for M.2 Sockets
1 x Standoff for M.2 Socket
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 the 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
ATX Form Factor : 12.0-in x 9.6-in, 30.5 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)
Reviews
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