Key Specifications
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Learn more| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen |
| Processor socket | AM4 |
| Supported processor sockets | Socket AM4 |
| Memory | |
| Maximum internal memory | 128 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4600 MHz |
| Supported memory types | DDR4 |
| Unbuffered memory | ![]() |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 4400 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Weight & dimensions | |
| Height | 67 mm |
| Networking | |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | ![]() |
| Ethernet interface type | Gigabit Ethernet |
| Internal I/O | |
| Number of SATA connectors | 0 |
| USB 2.0 connectors | 2 |
| CPU fan connector | ![]() |
| ATX Power connector (24-pin) | ![]() |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 6 |
| Number of SATA II connectors | 0 |
| Thunderbolt headers | 1 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Back panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| 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 | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| Storage controllers | |
| RAID levels | 0, 1, 10 |
| RAID support | ![]() |
| Supported storage drive interfaces | M.2, SATA |
| Expansion slots | |
| PCI slots | 2 |
| PCI Express x16 slots | 2 |
| PCI Express x1 slots | 3 |
| PCI Express x1 (Gen 3.x) slots | 3 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| Clear CMOS button | ![]() |
| Other features | |
| Weight | 1 kg |
| mSATA ports quantity | 0 |
| Graphics | |
| Parallel processing technology support | CrossFire |
| On-board graphics card | ![]() |
| Features | |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Product colour | Black, White |
| Audio output channels | 7.1 channels |
| Motherboard chipset family | AMD |
| Component for | PC |
| Audio chip | Realtek ALC887 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| EAN | 4718017782340 |
| Warranty | 3 years |
The ASUS PRIME B550-PLUS is an ATX motherboard designed for 3rd Generation AMD Ryzen processors on the AM4 socket. It is built around the AMD B550 chipset, which enables PCIe 4.0 support for a primary graphics card and a high-speed M.2 storage drive. The board's power delivery system and comprehensive cooling options, including multiple fan headers controlled via Fan Xpert 4 software, are engineered to provide stable operation for multi-core CPUs during sustained workloads. Hardware-level safeguards such as LANGuard are integrated to protect the networking port from electrical surges.
This motherboard accommodates up to 128 GB of dual-channel DDR4 memory across four DIMM slots, with support for overclocked speeds up to 4400 MHz. In addition to the PCIe 4.0 M.2 slot, it offers a second PCIe 3.0 M.2 slot and six SATA III ports, supporting RAID 0, 1, and 10 configurations for flexible storage solutions. The rear I/O panel provides a selection of modern connectivity, including USB 3.2 Gen 2 Type-A and Type-C ports, alongside DisplayPort and HDMI video outputs for systems utilizing integrated graphics.
Key Features:- Supports 3rd Gen AMD Ryzen processors with an AM4 socket
- Features the AMD B550 chipset
- Constructed in the ATX form factor
- Provides four DIMM slots for up to 128GB of DDR4 memory
- Includes one PCIe 4.0 x16 slot for a graphics card
- Offers two M.2 slots and six SATA III ports for storage
- Equipped with a Gigabit Ethernet port for wired networking
- Features USB 3.2 Gen 2 Type-A and Type-C ports on the rear panel
- Incorporates a Realtek ALC887 audio chip
- Includes an RGB header for Aura Sync lighting control
- Utilizes 24-pin ATX and 8-pin EPS power connectors
- Provides an internal Thunderbolt header for expansion cards
Estimated delivery: 14.11
Today: 10:00 - 18:00
Estimated delivery: 14.11 - 17.11
Today: 09:00 - 17:00
Estimated delivery: 14.11 - 17.11
Today: 10:00 - 17:00
Estimated delivery: 14.11 - 17.11
Today: 10:00 - 18:00
Estimated delivery: 14.11 - 17.11
Today: 10:00 - 18:00
Estimated delivery time: 14.11 - 19.11
Estimated delivery time: 15.11 - 19.11
Estimated delivery time: 14.11 - 18.11
Estimated delivery time: 15.11 - 19.11
Estimated delivery time: 15.11 - 18.11
Estimated delivery time: 15.11 - 18.11
- Quick Guide (English)
- manual pdf (English)


