Asrock B550M-ITX/ac Mini ITX Motherboard
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About This Item
- AMD B550 chipset for Ryzen 3000 Series processors
- Mini ITX form factor with dual-channel DDR4 memory support
- On-board AMD Radeon Vega graphics with 7.1 channel audio
- Dual-band 802.11ac WiFi and Bluetooth 4.2 connectivity
- PCIe 4.0 M.2 slot and four SATA III storage interfaces
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ASRock B550M-ITX/ac | AMD B550 Mini ITX Motherboard
The ASRock B550M-ITX/ac AMD B550 Socket AM4 mini ITX motherboard delivers compact power for small-form-factor PC builds, combining AMD B550 performance with built-in WiFi and Bluetooth connectivity. This board is designed for users who want a capable mini ITX platform without sacrificing modern features or expandability.
Key Specifications
| Metric | Spec |
|---|---|
| Form Factor | mini ITX |
| Socket | AM4 |
| Memory Support | 2x DDR4 DIMM, up to 64GB |
| PCIe | PCIe 4.0 M.2 |
| Wireless | Dual-band 802.11ac WiFi + Bluetooth 4.2 |
Compact Design, Full Performance
Despite its mini ITX footprint, this motherboard supports AMD Ryzen 3000 Series processors with an 8-phase power design featuring premium 60A chokes. The robust VRM delivers stable power delivery even under heavy workloads, making it suitable for both everyday computing and light overclocking in space-constrained builds.
Built-In Graphics and Connectivity
With integrated Radeon Vega graphics, this board can output to displays without a dedicated GPU. Dual graphics outputs (HDMI 4K @60Hz and DisplayPort 1.4) provide flexible connectivity options. The motherboard also includes Gigabit Ethernet, dual-band WiFi, and Bluetooth 4.2 for comprehensive wired and wireless networking.
Storage and Expansion
The Hyper M.2 slot supports PCIe 4.0 SSDs, offering twice the speed of previous generations for lightning-fast data transfers. Four SATA III ports and M.2 armor protection ensure your storage drives remain cool and stable. USB 3.2 Gen1 ports (including Type-C) provide high-speed peripheral connectivity.
Box Contents
- ASRock B550M-ITX/ac motherboard
- I/O shield
- User manual
- Driver/software disc
- SATA cables (quantity not specified)
Check Before You Buy
- Confirm your AMD Ryzen CPU is AM4 socket compatible
- Verify your case supports mini ITX motherboards (170mm x 170mm)
- Check you have a compatible ATX 24-pin and EPS 8-pin power supply
- Confirm your RAM is DDR4 and fits within the 2 DIMM slots
Frequently Asked Questions
Q: Does this motherboard support Ryzen 5000 series processors?
A: Yes, with a BIOS update. Check ASRock’s website for the latest compatible BIOS versions.
Q: Can I use this board without a dedicated graphics card?
A: Yes, the integrated Radeon Vega graphics can output to displays via HDMI or DisplayPort.
Q: What WiFi standard does this motherboard support?
A: It includes dual-band 802.11ac WiFi supporting both 2.4GHz and 5GHz bands.
Q: How many M.2 drives can I install?
A: One M.2 drive on the PCIe 4.0 slot; additional M.2 support is not specified in the provided details.
Q: Is this motherboard suitable for gaming?
A: It’s suitable for gaming with compatible Ryzen CPUs, especially in compact builds where space is limited.
The Consultant’s Verdict & Warranty
The ASRock B550M-ITX/ac is an excellent choice for users building compact AMD systems who need integrated graphics, WiFi, and modern connectivity without the bulk of larger motherboards. Its mini ITX form factor makes it ideal for small cases while still offering PCIe 4.0 storage and comprehensive I/O options. Covered by the standard Manufacturer Warranty.
| Weight | 0.85 kg |
|---|---|
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3000 Series |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM4 |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600 MHz |
| Maximum internal memory | 64 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| On-board graphics card | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 2 |
| Number of SATA III connectors | 4 |
| Front panel audio connector | Yes |
| EPS power connector 8-pin | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| 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 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 2 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wake-on-LAN ready | Yes |
| LAN controller | Realtek RTL8111H |
| Ethernet interface type | Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 4.2 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | mini ITX |
| Component for | PC |
| Audio chip | Realtek ALC887 |
| BIOS type | UEFI AMI |
| HDCP | Yes |
| Graphics card family | AMD |
| Graphics card | Radeon Vega |
| DirectX version | 12.0 |
| Harmonized System HS code | 84733020 |
| Width | 170 mm |
| Depth | 170 mm |
| Drivers included | Yes |
| Height | 70 mm |
| Weight | 465 g |
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