ASRock B550 Pro4 is a reliable ATX motherboard designed for AMD Socket AM4 and is compatible with both 3rd Generation Ryzen and New Generation Ryzen with Radeon Graphics processors. Equipped with the AMD B550 chipset, this motherboard supports up to 128 GB of RAM distributed across 4 DIMM slots for DDR4 memory.
Storage options include 6 x SATA-600 ports with RAID support as well as 2 x M.2 slots for fast and efficient storage solutions.
For connectivity, the motherboard has a versatile USB port configuration, including 1 x USB-C Gen 2, 1 x USB 3.2 Gen 2, and 4 x USB 3.2 Gen 1. The sound experience is enhanced with HD Audio (8 channels), and the network connection is provided via Gigabit Ethernet.
The ASRock B550 Pro4 is an ideal solution for enthusiasts who demand high performance and reliability from their AMD-based system.
| Generally | |
|---|---|
| Compatible processors | Ryzen (supports 3rd Generation Ryzen and New Generation Ryzen with Radeon Graphics) |
| Max number of processors | 1 |
| Processor socket | Socket AM4 |
| Product type | Motherboard - ATX |
| Supported RAM | |
| Bus Clock | 2400 MHz, 2133 MHz, 2667 MHz, 2933 MHz, 3466 MHz (OC), 3733 MHz (OC), 3600 MHz (OC), 3800 MHz (OC), 3866 MHz (OC), 4000 MHz (OC), 4133 MHz (OC), 4400 MHz (OC), 4266 MHz (OC), 4200 MHz (OC), 4333 MHz (OC), 4600 MHz (OC), 4533 M |
| Characteristics | Dual channel memory architecture, AMD Memory Profile (AMP), supported ECC modules work in non-ECC mode |
| Max. size | 128 GB |
| Registered or buffered | Not buffered |
| Technology | DDR4 |
| Supported RAM integrity con | Non-ECC, ECC (operation in non-ECC mode) |
| Graphics | |
| Max. allocated RAM size | 2GB |
| Audio | |
| Audio Codec | Realtek ALC1200 |
| Compliance Standards | High Definition Audio, Premium Blu-ray audio support |
| Type | HD Audio (8-channel) |
| LOAN | |
| Network controller | Realtek RTL8111H |
| Network interfaces | Gigabit Ethernet |
| Expansion / Connectivity | |
| Expansion openings | 1 x CPU | 4 x DIMM 288-pin | 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen series CPUs Matisse); PCIe 3.0 x16 mode (Ryzen series APUs)) | 1 x PCIe 3.0 x16 (x4 mode) | 2 x PCIe 3.0 x1 | 1 x M.2 socket (2230 M.2 Key E slot) |
| Interface (storage) | SATA-600 connectors: 6 x 7-pin Serial ATA - RAID 0 / RAID 1 / RAID 10 | SATA-600 / PCIe 3.0 connectors: 1 x M.2 | PCIe 4.0 connector connections: 1 x M.2 |
| Interface | 1 x LAN (Gigabit Ethernet) | 1 x HDMI | 1 x VGA | 4 x USB 3.2 Gen 1 | 1 x microphone - mini-jack | 1 x audio line-in - mini-jack | 1 x audio line-out - mini-jack | 1 x USB 3.2 Gen 2 | 1 x USB-C Gen2 | 1 x PS/2 keyboard/mouse |
| Internal interfaces | 4 x USB 2.0 - internal connector | 2 x USB 3.2 Gen 1 - internal connector | 1 x audio - internal connector | 1 x serial - internal connector |
| Power switches | 4-pin ATX12V connector, 24-pin main power connector, 8-pin ATX12V connector |
| Characteristics | |
| BIOS properties | JumperFree, SMBIOS 2.3 supported, UEFI BIOS, ACPI 5.1 support |
| BIOS type (Basic Input/Output System) | AMI |
| Hardware properties | 8 Phase Power Design, ASRock Instant Flash, HDCP Compliant, 15µ Gold Contact, AMD CrossFireX Technology Support, AMD Quad CrossFireX Technology Support, Digi Power Design, ESD Protection, Energy Efficient Ethernet 802.3az, Preboot eXecution Environment |
| Hardware monitoring | CPU core temperature, chassis temperature, CPU fan tachometer, chassis fan tachometer, system voltage, CPU core voltage |
| Sleep/Wake | Activation of LAN (wake on LAN = WOL) |
| Miscellaneous | |
| Width | 30.5 cm |
| Depth | 24.4 cm |
| With software | Drivers & Utilities, ASRock A-Tuning, Antivirus (trial version), Google Chrome Browser, Google ChromeToolbar, ASRock XFast LAN, ASRock Polychrome SYNC |
| Cables included | 2 x Serial ATA cable |
| Compliance Standards | Plug and Play, FCC, EuP Ready, ErP Ready, HDCP 2.3 |
| Equipment included | I/O rear wall, 3 x M.2 screws, standoff for M.2 socket |
