Mainboard ASROCK AMD B550 SAM4 ATX 2xPCI-Express 3.0 1x 1xPCI-Express 3.0 16x 2xM.2 1xPCI-Express 4.0 16x Memory DDR4 Memory slots 4 1x15pin D-sub 1xHDMI 1xUSB type C 5xUSB 3.2 1xPS/2 1xRJ45 3xAudio port B550PRO4

IT’S TIME FOR B550 MOTHERBOARDS
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.

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.

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.

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 an fast and easy way to identify the source of the problem.

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.

• Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ 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

Summary: Asrock B550 Pro4. Processor manufacturer: AMD, Processor socket: Socket AM4, Compatible processor series: AMD Ryzen 3000 Series. Supported memory types: DDR4-SDRAM, Maximum internal memory: 128 GB, Memory slots type: DIMM. Supported storage drive interfaces: M.2, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10. Parallel processing technology support: CrossFireX, Quad-GPU CrossFireX. Ethernet interface type: Gigabit Ethernet, LAN controller: Realtek RTL8111H | Vendor Homepage: https://www.asrock.com/mb/AMD/B550%20Pro4/index.asp#Specification | Motherboard chipset: AMD B550 | Audio chip: Realtek ALC1200 | PC health monitoring: CPU/Fan/Temperature/Voltage/Water cooling | Component for: PC | Motherboard form factor: ATX | Audio output channels: 7.1 | Motherboard chipset family: AMD | Processor manufacturer: AMD | Processor socket: Socket AM4 | Compatible processor series: AMD Ryzen 3000 Series | Maximum number of SMP processors: 1 | Supported processor sockets: Socket AM4 | Supported memory types: DDR4-SDRAM | Number of memory slots: 4 | Memory slots type: DIMM | Memory channels: Dual-channel | ECC сompatibility: ECC & Non-ECC | Supported memory clock speeds: 2133/2400/2667/2933/3200/3466/3600/3733/3800/3866/4000/4133/4200/4266/4333/4400/4466/4533 | Supported memory clock speed (max): 4533 | Maximum internal memory: 128 | Supported memory module capacities: 16GB/32GB/4GB/8GB | Unbuffered memory: Yes | Supported storage drive types: HDD & SSD | Supported storage drive interfaces: M.2,SATA III | RAID support: Yes | RAID levels: 0/1/10 | Parallel processing technology support: CrossFireX/Quad-GPU CrossFireX | HDCP: Yes | DirectX version: 12.0 | USB 2.0 connectors: 2 | USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1 | Number of SATA III connectors: 6 | Front panel audio connector: Yes | Front panel connector: Yes | ATX Power connector (24-pin): Yes | CPU fan connector: Yes | Number of chassis fan connectors: 4 | Peripheral (Molex) power connectors (4-pin): 1 | EPS power connector (8-pin): Yes | 12V power connector: Yes | Number of COM connectors: 1 | TPM connector: Yes | RGB LED pin header: Yes | USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 | USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 1 | USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1 | Ethernet LAN (RJ-45) ports: 1 | PS/2 ports quantity: 1 | VGA (D-Sub) ports quantity: 1 | HDMI ports quantity: 1 | Microphone in: Yes | Ethernet LAN: Yes | Ethernet interface type: Gigabit Ethernet | LAN controller: Realtek RTL8111H | Wake-on-LAN ready: Yes | Wi-Fi: No | PCI Express x1 (Gen 3.x) slots: 2 | PCI Express x16 (Gen 3.x) slots: 1 | PCI Express x16 (Gen 4.x) slots: 1 | Number of M.2 (M) slots: 2 | BIOS type: UEFI AMI | BIOS memory size: 256 | ACPI version: 5.1 | System Management BIOS (SMBIOS) version: 2.3 | Harmonized System (HS) code: 84733020 | Width: 305 | Depth: 244 | Height: 87 | Cables included: SATA | Drivers included: Yes | Weight: 465 | Unit Calculated Weight: 2 | Product Net Weight: 1.5 | Unit Calculated Volume: 0.01282 | Units per Shipping Box: 10 | Unit Width: 4 | Shipping Box Height: 36 | Unit Depth: 89 | Unit Height: 36 | Name: MB AMD B550 SAM4 ATX/B550 PRO4 ASROCK