Asrock B550 Pro4 ATX Motherboard | AM4 | 4x DDR4 Slots
KEY FEATURES
- 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
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Frequently Asked Questions
What processors are compatible with the Asrock B550 Pro4?
How many memory slots does the B550 Pro4 have?
Does the motherboard support RGB lighting?
Asrock B550 Pro4 ATX Motherboard | AM4 | 4x DDR4 Slots
Description
The ASRock B550 Pro4 delivers AMD's mainstream B550 chipset in a full ATX form factor, targeting builders who want modern AM4 platform features without paying enthusiast prices. This board supports the entire Ryzen 3000 series lineup, making it a practical foundation for mid-range gaming and productivity builds. The B550 chipset brings PCIe 4.0 support to the primary graphics slot, ensuring compatibility with the latest GPUs while maintaining excellent value positioning.
Memory support extends up to 128GB across four DDR4 DIMM slots, with speeds reaching 4533MHz through overclocking profiles. The board includes one PCIe 4.0 x16 slot for your graphics card plus two PCIe 3.0 x1 slots for expansion cards. Connectivity covers the essentials with Gigabit Ethernet and 7.1-channel HD audio, while the RGB LED header lets you add lighting effects to match your build aesthetic. ECC memory compatibility provides additional flexibility for workstation applications.
Setup benefits from the 256MB AMI UEFI interface, which handles memory overclocking and system configuration through an intuitive graphical interface. The package includes an I/O shield for rear port protection and a comprehensive user guide covering installation and BIOS features. With its combination of modern platform features and straightforward setup, this board handles everything from budget gaming builds to more demanding creative workloads without unnecessary complexity.
Feature
Easy 14 days Returns
Eligible for Next day Delivery
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Shipping Information
- Next Business Day: £6.99
- 2 days Delivery: £4.99
- 3- 5 Days Shipping: £3.99
- Orders Over £99.00: Free Standard Delivery
| Processor | |
|---|---|
| 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 |
| Memory | |
|---|---|
| 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 MHz |
| Supported memory clock speed (max) | 4533 MHz |
| Supported memory module capacities | 4GB, 8GB, 16GB, 32GB |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Storage controllers | |
|---|---|
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of storage drives supported | 8 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| Graphics | |
|---|---|
| Parallel processing technology support | CrossFireX, Quad-GPU CrossFireX |
| HDCP | Yes |
| DirectX version | 12.0 |
| Internal I/O | |
|---|---|
| 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 |
| TPM connector | Yes |
| Number of COM connectors | 1 |
| RGB LED pin header | Yes |
| Rear panel I/O ports | |
|---|---|
| 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 |
| Network | |
|---|---|
| Ethernet LAN | Yes |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wake-on-LAN ready | Yes |
| Wi-Fi | No |
| Top Wi-Fi standard | Not available |
| Features | |
|---|---|
| Component for | PC |
| Motherboard form factor | ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio chip | Realtek ALC1200 |
| Audio output channels | 7.1 channels |
| PC health monitoring | CPU, Fan, Temperature, Voltage, Water cooling |
| Harmonized System (HS) code | 84733020 |
| Expansion slots | |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| BIOS | |
|---|---|
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| ACPI version | 5.1 |
| System Management BIOS (SMBIOS) version | 2.3 |
| Weight & dimensions | |
|---|---|
| Width | 305 mm |
| Depth | 244 mm |
| Height | 87 mm |
| Packaging content | |
|---|---|
| Cables included | SATA |
| Drivers included | Yes |
| Other features | |
|---|---|
| Weight | 465 g |
Frequently Asked Questions
What processors are compatible with the Asrock B550 Pro4?
How many memory slots does the B550 Pro4 have?
Does the motherboard support RGB lighting?
What is the warranty period for the Asrock B550 Pro4?
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