GIGABYTE B550I AORUS PRO AX AMD AM4 ITX Motherboard, Supports Ryzen 5000/4000/3000

This B550I AM4 ITX motherboard is designed for compact PC builders who need modern performance from AMD Ryzen 5000, 4000, or 3000 series processors. It packs core desktop capabilities into a small form factor, making it suitable for space-saving computer setups.

Stable power delivery comes from a direct 8-phase digital power design built on an 8-layer PCB, backed by an extended VRM heatsink and an aluminum backplate for heat dissipation. For memory, it supports two DDR4 DIMM slots with Extreme Memory Profile capabilities, while the pre-installed integrated I/O shield simplifies building inside tight computer cases.

Storage and expansion options include a reinforced PCIe 4.0 x16 slot for dedicated graphics cards, alongside two M.2 slots (one PCIe 4.0 and one PCIe 3.0). Peripheral connectivity is handled by six rear USB ports, featuring one USB 3.2 Gen 2 Type-C, one USB 3.2 Gen 2 Type-A, and four USB 3.2 Gen 1 Type-A connections.

Because it is built around the compact ITX standard, expansion is limited to two RAM slots and a single PCIe slot. Shoppers should also note that processor compatibility is restricted to AM4 socket chips rather than newer socket types.

Verdict: This motherboard is a solid choice for small-form-factor builders assembling an AMD Ryzen system with PCIe 4.0 speed and multiple USB options. If you need a reliable compact board for an AM4 build, it delivers the essential features without unnecessary bulk.

• CPU Socket: AMD Socket AM4
• Processor Support: AMD Ryzen 5000, 4000, 3000 Series
• Memory Support: DDR4, 2 DIMMs with XMP support
• Power Design: Pure Digital Direct 8 Power Phase with 8-layer PCB
• Expansion Slots: 1x PCIe 4.0 x16 slot with PCIe UD Armor
• Storage: 1x PCIe 4.0 M.2 slot, 1x PCIe 3.0 M.2 slot
• USB Ports: 1x USB 3.2 Gen 2 Type-C, 1x USB 3.2 Gen 2 Type-A, 4x USB 3.2 Gen 1 Type-A
• Cooling & Build: Extended VRM heatsink, aluminum backplate, integrated I/O shield

A great fit if you:

• Are building a compact PC using an AMD Ryzen 3000, 4000, or 5000 series processor.
• Need fast storage setup with dual M.2 slots supporting PCIe 4.0 and PCIe 3.0.
• Want convenient connectivity including USB Type-C and fast Gen 2 Type-A ports.

Consider something else if you:

• Need more than two DDR4 memory slots or more than one PCIe expansion slot.
• Are building around an AMD processor that does not use the AM4 socket.

Which AMD processors work with this motherboard?
It features an AM4 socket designed to support AMD Ryzen 5000, 4000, and 3000 series processors.

How many M.2 storage drives can I install?
The board includes two M.2 slots: one supporting PCIe 4.0 speeds and one supporting PCIe 3.0 speeds.

What kind of memory does this board support?
It supports DDR4 memory across two DIMM slots with support for Extreme Memory Profile (XMP).