The micro ATX format fits both smaller cases and standard towers, so you can keep your build tidy without giving up a full desktop platform. The AM4 socket supports the wide range of AMD processors built for that platform. The B550 chipset gives you a modern base for upgrading an older system or starting a new one.
A single M.2 slot lets you install a fast SSD for quick boot times and responsive loading, without cables cluttering the case. Two DDR4 slots support dual-channel memory configurations. The board has no built-in Wi-Fi, so it suits wired Ethernet setups, or you can add a wireless card later if needed.
This board is a sensible pick for anyone building an affordable AMD Ryzen desktop for work, study or everyday gaming. It also works well for upgrading an existing AM4 system or putting together a compact home or office PC.
| Brand | ASROCK |
|---|---|
| Line-in | Yes |
| BIOS type | UEFI AMI |
| Component for | PC |
| BIOS memory size | 256 |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| RGB LED pin header | Yes |
| Number of memory slots | 2 |
| Motherboard form factor | micro ATX |
| Number of M.2 (M) slots | 1 |
| EAN | 4711581494763 |
| Maximum resolution | 5120 x 2880 |
|---|
| Processor manufacturer | AMD |
|---|---|
| Motherboard chipset | AMD B550 |
| Processor socket | Socket AM4 |
| CPU fan connector | Yes |
| Motherboard chipset family | AMD |
| Compatible processor series | AMD Athlon/AMD Ryzen 3000 Series/AMD Ryzen 4000 Series/AMD Ryzen 5000 Series |
| Supported processor sockets | Socket AM4 |
| Number of CPU fan connectors | 1 |
| Maximum internal memory | 64 GB |
|---|---|
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of storage drives supported | 5 |
|---|---|
| Supported storage drive interfaces | M.2, NVMe, SATA III, PCI Express 4.0 |
| Audio chip | Realtek ALC897 |
|---|---|
| Microphone in | Yes |
| Audio output channels | 7.1 |
| Front panel audio connector | Yes |
| HDMI ports quantity | 1 |
|---|---|
| HDMI version | 2.1 |
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| Ethernet LAN | Yes |
| Ethernet LAN (RJ-45) ports | 1 |
| TPM connector | Yes |
| LAN controller | Dragon RTL8125BG |
| USB 2.0 connectors | 2 |
| 12V power connector | Yes |
| DisplayPort version | 1.4 |
| DisplayPorts quantity | 1 |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| ATX Power connector (24-pin) | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Wi-Fi | No |
|---|
| Windows operating systems supported | Windows 10/Windows 11 |
|---|
| RAID levels | 0/1/10 |
|---|---|
| Supported memory clock speeds | 2133/2400/2667/2933/3200/3466/3600/3733/3800/3866/4000/4133/4200/4266/4333/4400/4466/4533/4600/4666/4733 |
| Supported memory clock speed (max) | 4733 |
| Cables included | SATA |
|---|---|
| RAID support | Yes |
| Supported memory types | DDR4-SDRAM |
| Width | 244 mm |
|---|---|
| Depth | 218 mm |
| Product Net Weight | 0.8 kg |
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