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Give your space-saving gaming rig big potential with the Republic of Gamers Strix B550-I AM4 Mini-ITX Motherboard from ASUS. Designed for small form factor AMD gaming rigs, this mini-ITX board uses the B550 chipset and supports AM4 sockets. Supporting up to 64GB of dual-channel DDR4 RAM between two DIMMs, this board is compatible with frequencies up to 3200 MHz, or 5100 MHz when overclocked. ECC memory is supported, depending on the particular CPU installed on the board. A GPU can be installed via the PCIe 4.0 x16 slot, and storage options include four SATA III ports and two M.2 sockets, with one supporting PCIe 4.0 X4 drives and the other supporting PCIe 3.0 x4 drives. Both of these M.2 slots accept 2242-, 2260-, and 2280-sized drives.
The rear I/O panel features three USB 3.2 Gen 2 Type-A ports, as well as one 3.2 Gen 2 Type-C port. There’s also a USB 2.0 Type-A port and a USB 2.0 Type-C port for audio-out. Display connections include DisplayPort- and HDMI-outs, while Wi-Fi antenna connectors and a 2.5 Gigabit Ethernet port facilitate Wi-Fi 6 and wired internet connectivity, respectively. A clear CMOS button is also present, allowing users to update the BIOS via the USB 2.0 port using a flash drive, available separately. Internally, the B550-I Gaming also sports headers for USB 3.2 Gen 1 ports, including one Type-C and two Type-A ports. A USB 2.0 header provides support for two USB 2.0 ports on the front panel. In addition to a CPU and chassis fan header, the B550-I Gaming also features a dedicated VRM heatsink fan header. Headers for front audio and rear speaker connections are also present, as are headers for RGB lighting.
The ASUS B550-I Gaming mini-ITX motherboard features SupremeFX 7.1 Surround Sound as well as Aura Sync RGB lighting. ASUS EUFI BIOS is included for users to fine-tune their settings – including overclock settings from an in-depth advanced mode or a more beginner-friendly EZ mode. The B550-I Gaming in compatible with the Windows 10 64-bit operating system.
| Weight | 2.43 lbs |
|---|---|
| Dimensions | 9 × 7.4 × 3.75 in |
| Chipset | AMD B550 |
| RAID Support | RAID 0, 1, 10 |
| Supported Operating Systems | Windows 10 (64-Bit) |
| Wi-Fi | Wi-Fi 6 (802.11ax) (MU-MIMO) |
| Bluetooth | 5.1 |
| Audio Codec | SupremeFX S1220A (7.1-Channel) |
| I/O Connection Headers | AAFP, USB 3.1 / USB 3.2 Gen 1, USB 3.1 / USB 3.2 Gen 2 |
| ROM | 256 Mb |
| Diagnostics | Clear CMOS |
| LED Header | 2 x RGB |
| Power Connectors | 1 x 24-Pin Mainboard<br />1 x 8-Pin ATX |
| Liquid Cooling | 1 x 4-Pin Pump |
| Air Cooling | 1 x 4-Pin CPU<br />2 x 4-Pin System |
| Multi-GPU Support | None |
| Expansion Slots | 1 x PCIe 4.0 x16 (x16 mode) |
| U.2 | None |
| CPU Socket | AM4 |
| M.2 | 1 x M Key 2242, 2260, 2280 (PCIe 4.0 x4)<br />1 x M Key 2242, 2260, 2280 (PCIe 3.0 x4) |
| SATA | 4 x SATA III |
| ECC Support | ECC Unbuffered |
| Channel Architecture | Dual Channel |
| Maximum Capacity | 64 GB |
| Memory Support | DDR4 2133, 2400, 2666, 2800, 2933, 3000, 3200, 3400, 3466, 3600, 3800, 4000, 4133, 4266, 4400, 4600, 4800, 5000, 5100 MHz |
| Memory Slots | 2 x 288-Pin |
| Buttons | BIOS Flashback |
| Wi-Fi Antenna | 2 x Connector |
| Ethernet / Controller | 1 x Intel I225-V 2.5Gigabit |
| Display | 1 x DisplayPort 1.4<br />1 x HDMI 2.1 |
| Thunderbolt | None |
| USB | 1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 1 USB Type-C Port)<br />1 x USB 3.1 / USB 3.2 Gen 1 Header (Supports 2 USB Type-A Port)<br />1 x USB 2.0 Header (Supports 2 USB Type-A Port) |
| Form Factor | Mini-ITX |
8 reviews for ASUS Republic of Gamers Strix B550-I AM4 Mini-ITX Motherboard
Only logged in customers who have purchased this product may leave a review.
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Marilou Schamberger (verified owner) –
The Aura Sync software could really use a gradient option when using “Static” lighting. Other than that, it’s been great.
Curtis Nolan (verified owner) –
At this point I have spoken to several people all of whom have been helpful and nice.
Zion Koss (verified owner) –
pcb! mounted! diagnostic! LEDs! very! helpful!!!!!
Emanuel Rice (verified owner) –
First time building my own PC, mobo was straight forward. The USB C is my only complaint. It powers but won’t cast on my drawing tablet. I looked into what I need to do and I don’t feel like doing all that lol
Sigmund Hayes (verified owner) –
Cant get the Bios to update without a CPU or maybe motherboard is DOA. Cant get any info if I need a CPU to update. Asus support says just wait and see in tell your CPU comes in and see if it works. Another Asus support says yes it should update without CPU. One of them points out that the Manuel says I need the cpu but that might not be correct. Running out of time before my MB return time expires so I need this information. I guess I will just send it back as DOA. Its a sad state when the MFG can’t help you out with a very simple answer.
Aisha Beer (verified owner) –
Working on going ROG with most of my components (next up, an ROG liquid-cooled graphics card… possibly Navi 31 and a 240mm radiator for my tiny ITX case?). So far, very happy with the ROG range.
Evie Pfannerstill (verified owner) –
The best ITX Motherboard I ever used in a PC, I love the Strix Brand
Gayle Hauck (verified owner) –
Functional and fits in the Meshroom S that I’m using it in.