ASRock B550M-ITX/ac is a compact mini-ITX motherboard designed for Socket AM4 processors, including Ryzen 3rd and 4th generation. With the AMD B550 chipset, it supports up to 64 GB of DDR4 RAM and has practical features such as SATA and M.2 storage ports. The motherboard is also equipped with USB-C, USB 3.2 Gen 1 and Wi-Fi for modern connectivity. Ideal for building space-saving and powerful systems.
| Generally | |
|---|---|
| Compatible processors | Ryzen (supports 3rd Generation Ryzen and New Generation Ryzen with Radeon Graphics) |
| Max number of processors | 1 |
| Processor socket | Socket AM4 |
| Product type | Motherboard - mini ITX |
| Supported RAM | |
| Bus Clock | 2400 MHz, 2133 MHz, 2667 MHz, 2933 MHz, 3466 MHz (OC), 3733 MHz (OC), 3600 MHz (OC), 3800 MHz (OC), 3866 MHz (OC), 4000 MHz (OC), 4133 MHz (OC), 4400 MHz (OC), 4266 MHz (OC), 4200 MHz (OC), 4333 MHz (OC), 4600 MHz (OC), 4533 M |
| Characteristics | Dual channel memory architecture, AMD Memory Profile (AMP), supported ECC modules work in non-ECC mode |
| Max. size | 64 GB |
| Registered or buffered | Not buffered |
| Technology | DDR4 |
| Supported RAM integrity con | Non-ECC, ECC (operation in non-ECC mode) |
| Graphics | |
| Max. allocated RAM size | 2GB |
| Audio | |
| Audio Codec | Realtek ALC887 |
| Compliance Standards | High Definition Audio |
| Type | HD Audio (8-channel) |
| LOAN | |
| Network controller | Realtek RTL8111H |
| Network interfaces | Bluetooth, Gigabit Ethernet, 802.11a/b/g/n/ac |
| Expansion / Connectivity | |
| Expansion openings | 1 x CPU | 2 x DIMM 288-pin | 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen series CPUs Matisse); PCIe 3.0 x16 mode (Ryzen series APUs)) | 1 x M.2 socket (Key E) |
| Interface (storage) | SATA-600 connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 | SATA-600 / PCIe 4.0 connectors: 1 x M.2 |
| Interface | 1 x PS/2 keyboard/mouse | 1 x LAN (Gigabit Ethernet) | 1 x DisplayPort | 1 x HDMI | 2 x USB 2.0 | 3 x USB 3.2 Gen 1 | 1 x audio line-in - mini-jack | 1 x audio line-out - mini-jack | 1 x microphone - mini-jack | 1 x USB-C Gen1 |
| Internal interfaces | 2 x USB 2.0 - internal connector | 2 x USB 3.2 Gen 1 - internal connector | 1 x audio - internal connector |
| Power switches | 24-pin main power connector, 8-pin ATX12V connector |
| Characteristics | |
| BIOS properties | JumperFree, SMBIOS 2.3 supported, UEFI BIOS, ACPI 5.1 support |
| BIOS type (Basic Input/Output System) | AMI |
| Hardware properties | 8 Phase Power Design, ASRock Instant Flash, HDCP Compatible, 15µ Gold Contact, Digi Power Design, ESD Protection, Energy Efficient Ethernet 802.3az, Preboot eXecution Environment (PXE), ASRock Full Spike Protection, ASRock APP Shop, ASRock Super Allo |
| Hardware monitoring | CPU core temperature, chassis temperature, CPU fan tachometer, chassis fan tachometer, system voltage, CPU core voltage |
| Sleep/Wake | Activation of LAN (wake on LAN = WOL) |
| Miscellaneous | |
| Width | 17 cm |
| Depth | 17 cm |
| With software | Drivers & Utilities, ASRock A-Tuning, Antivirus (trial version), Google Chrome Browser, Google ChromeToolbar, ASRock XFast LAN, ASRock Polychrome SYNC |
| Cables included | 2 x Serial ATA cable |
| Compliance Standards | Plug and Play, FCC, EuP Ready, ErP Ready, HDCP 2.3 |
| Equipment included | I/O rear wall, 2 x ASRock WiFi 2.4/5GHz Antennas |
