| Brand | ASRock |
| EAN | 4710483931727 |
| ASIN | B089VYCHMG |
| MPN | B550M-ITX/AC |
| SKU | B550M-ITX/AC |
| . | 2 x USB 2.01 x USB 3.2 Gen11 x Front Panel Type-C USB 3.2 Gen2x2 |
| 64-bit Support | Yes |
| Addressable RGB | Yes |
| Audio chip | Realtek ALC887 |
| Audio line in ports | 1 x 3.5 mm Jack |
| BIOS type | UEFI AMI |
| Bluetooth | Yes |
| Bluetooth version | 4 |
| Chipset | AMD B550 |
| Chipset manufacturer | AMD |
| Component for | PC |
| Cooling fan support | 1 x CPU fan header2 x Chassis/Water Pump fan headers |
| Dimensions | 23 x 39 x 40cm (W x H x D) |
| Displayport connection | Yes |
| DisplayPort version | 1.4 |
| DisplayPorts | 1 x DisplayPort |
| Drivers | Yes |
| DVI connection | No |
| Ethernet interface type | Gigabit Ethernet |
| Ethernet lan connection | Y |
| Firewire | No |
| Form factor | Mini-ITX Motherboard |
| Front panel connectors | 1 x Front Panel1 x Front Audio |
| Graphic adapter | Radeon Vega |
| HDCP | N |
| HDMI connection | Yes |
| HDMI Port | 1 x HDMI 2.1 |
| Integrated Graphics Supported | Yes |
| Integrated Network | Realtek RTL8111H |
| Internal USB 3.0 Header | Yes |
| Length | 170 mm |
| M.2 Support | Yes |
| Maximum Installed Processors | 0 (1) |
| Maximum internal memory | 65536 MB |
| Memory channel | Dual |
| Memory slot | 2 x DIMM |
| Memory slots type | DIMM |
| Memory speed | 4733 MHz |
| Motherboard form factor | ITX |
| Multi GPU Support | No |
| Network Speeds Supported | 10/100/1000 Mbps |
| Number of PCI Express Slots | 1 x PCI Express 4.0 x16 |
| On-board Audio Type | 7 |
| On-board RGB Control | ASRock RGB LED |
| Operating Systems Supported | 10 |
| Other Connectors | 1 x M.2, Socket 3, M Key (Type 2280)1 x RGB LED header1 x Addressable LED header |
| Parallel processing technology support | Not supported |
| Power connector port | 1 x 20+4-pin ATX1 x 4+4-pin EPS |
| RAID Format | RAID 0, 1, 10 |
| Raid supported | Yes |
| Refresh rate | 60Hz 2Ms Response Time |
| RGB Header Type | 3-Pin ARGB |
| RJ-45 ports | 1 x RJ-45 |
| SATA III Support | Yes |
| SATA Supported | Yes |
| Software Included | Yes |
| 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 | DDR-SDRAM |
| Supported storage drive interfaces | SATA III |
| Thunderbolt | No |
| USB 3.0 Support | Yes |
| USB 3.1 Support | No |
| USB Ports | 6 port(s) |
| VGA connection | No |
| WiFi Speed | 433 Mbps |
| Wireless communication | Intel 802.11ac Wi-Fi Module, Supports IEEE 802.11a/b/g/n/ac and Bluetooth v4.2 |
| Wireless LAN | Yes |
| Wireless Network | Yes |