Key Specifications
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Learn more| Processor | |
| Processor manufacturer | AMD |
| Maximum number of SMP processors | 1 |
| Compatible processor series | AMD Ryzen 3000 Series |
| Processor socket | AM4 |
| Memory | |
| Maximum internal memory | 64 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory clock speeds | 2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600 MHz |
| Supported memory types | DDR4 |
| Memory channels | Dual-channel |
| Unbuffered memory | ![]() |
| Memory slots type | DIMM |
| Number of memory slots | 2 |
| Supported memory clock speed (max) | 4733 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Weight & dimensions | |
| Height | 70 mm |
| Width | 170 mm |
| Depth | 170 mm |
| Networking | |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Bluetooth version | 4.2 |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wake-on-LAN ready | ![]() |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | ![]() |
| Ethernet interface type | Gigabit Ethernet |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| CPU fan connector | ![]() |
| ATX Power connector (24-pin) | ![]() |
| Number of Parallel ATA connectors | 0 |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Number of SATA II connectors | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Back panel I/O ports | |
| PS/2 ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| Firewire (IEEE 1394) ports | 0 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 0 |
| eSATA ports quantity | 0 |
| DVI-D ports quantity | 0 |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| DisplayPort version | 1.4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Storage controllers | |
| RAID levels | 0, 1, 10 |
| RAID support | ![]() |
| Supported storage drive interfaces | M.2, SATA III |
| Packaging content | |
| Drivers included | ![]() |
| Expansion slots | |
| PCI Express x16 slots | 1 |
| Number of M.2 (M) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| Clear CMOS button | ![]() |
| Other features | |
| Weight | 465 g |
| Graphics | |
| Graphics card | Radeon Vega |
| DirectX version | 12.0 |
| HDCP | ![]() |
| Graphics card family | AMD |
| On-board graphics card | ![]() |
| Features | |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | Mini ITX |
| Product colour | Black |
| Audio output channels | 7.1 channels |
| Motherboard chipset family | AMD |
| Component for | PC |
| Product type | Motherboard |
| Audio chip | Realtek ALC887 |
| Logistics data | |
| Harmonized System (HS) code | 84733020 |
| EAN | 4710483931727 |
| Warranty | 1 year |
The ASRock B550M ITX/ac is a motherboard designed for small form factor computer builds, utilizing the Mini-ITX layout and the AMD B550 chipset. It supports a range of processors via the AM4 socket, including AMD Ryzen 3000, 4000 G-Series, and 5000 series CPUs. Power delivery is managed through a standard 24-pin ATX connector and an 8-pin EPS connector, providing sufficient power for compatible processors under various workloads. The board's compact design makes it a suitable foundation for space-constrained systems that require modern processor compatibility.
This motherboard accommodates up to 64 GB of dual-channel DDR4 memory across two DIMM slots, with support for overclocked speeds up to 4733 MHz. For storage, it includes one M.2 slot for high-speed drives and four SATA III ports for additional storage devices, with RAID 0, 1, and 10 configurations available. A single PCI Express 4.0 x16 slot is provided for graphics card installation. Integrated networking capabilities include Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.2, while video output is handled by onboard HDMI 2.1 and DisplayPort 1.4 ports.
Key Features:- AMD AM4 socket and B550 chipset
- Mini-ITX form factor for compact systems
- 2 x DDR4 memory slots supporting up to 64 GB
- 1 x PCI Express 4.0 x16 expansion slot
- 1 x M.2 slot and 4 x SATA III storage connectors
- Supports RAID 0, 1, and 10 configurations
- Integrated 802.11ac Wi-Fi and Bluetooth 4.2
- Rear panel with USB 3.2 Gen 1 Type-A and Type-C ports
- Onboard HDMI 2.1 and DisplayPort 1.4 video outputs
- Features Realtek ALC887 audio codec
- Includes one RGB LED header for lighting
Estimated delivery: Today
Today: 10:00 - 18:00
Estimated delivery: 13.03 - 16.03
Today: 09:00 - 17:00
Estimated delivery: 13.03 - 16.03
Today: 10:00 - 17:00
Estimated delivery: 13.03 - 16.03
Today: 10:00 - 18:00
Estimated delivery: 13.03 - 16.03
Today: 10:00 - 18:00
Estimated delivery time: 13.03 - 18.03
Estimated delivery time: 13.03 - 17.03
Estimated delivery time: 14.03 - 18.03
Estimated delivery time: 14.03 - 18.03
Estimated delivery time: 14.03 - 17.03
Estimated delivery time: 13.03 - 18.03
Estimated delivery time: 13.03 - 18.03
Estimated delivery time: 14.03 - 17.03
- manual pdf (English)
- Quick Setup Guide (English)


