[ INDIVIDUAL COMPONENT // MOTHERBOARDS ]
GIGABYTE B550 AORUS MASTER (rev. 1.0)
AMD B550 Socket AM4 2020 enthusiast desktop board. This static record describes this exact model and revision only; confirm the printed PCB identity and use the cited manufacturer's support files.
REVISION / FIRMWARE WARNING: Similar model names, PCB revisions and regional SKUs may differ in connectors, radio hardware and firmware. Identify the exact board printed on the PCB before selecting a BIOS.
Specifications
| Exact model / generation | GIGABYTE B550 AORUS MASTER (rev. 1.0) — 2020 enthusiast desktop board |
|---|---|
| Chipset | AMD B550 |
| CPU socket / support | Socket AM4; processor families and minimum BIOS are limited to the exact manufacturer CPU support list. |
| Form factor | ATX, 305 × 244 mm |
| Memory support | Four dual-channel DDR4 DIMM slots; up to 128 GB. Supported speeds, XMP and ECC behavior vary by CPU/BIOS and the revision-specific memory support list. |
| PCI Express expansion | Three x16-length slots: primary CPU-connected slot supports PCIe 4.0; lower slots are chipset-connected and run at their specified widths/generations. Lane allocation changes with slot population. |
| Storage | Three M.2 sockets (top CPU-connected PCIe 4.0 x4; remaining chipset-connected sockets per manual) and six SATA 6 Gb/s ports. Check slot/M.2 sharing and revision-specific layout. |
| Rear I/O and network | Rear USB 3.2 Gen 2 Type-C/Type-A and USB 3.2/2.0, HDMI for compatible APU, 2.5GbE, Wi-Fi 6 antenna connectors and multichannel audio. |
| BIOS / manufacturer support | GIGABYTE UEFI with Q-Flash Plus; select BIOS and CPU support by exact rev. 1.0 support page. Do not install BIOS for another B550 AORUS board or hardware revision. |
Compatibility and installation notes
The product name has board-revision-specific support pages. Confirm rev. 1.0 silkscreen, CPU support list and minimum BIOS. Use DDR4; check M.2 and SATA sharing, PCIe slot allocation, Wi-Fi antenna connection and compatible AM4 cooler/case hardware.
Before assembly, confirm board revision, chassis dimensions/standoffs, CPU cooler mount and power leads in the manual. Never infer processor compatibility from the physical socket alone. For memory, follow the documented population order and consult the exact board's QVL; EXPO/XMP and other overclocked speeds are not guaranteed.
Read the lane-sharing tables before installing expansion cards and drives. Observe ESD precautions, protect socket contacts, and record the installed BIOS revision and any update history.
Preservation and service
Inspect the socket, DIMM slots, power connectors, M.2 thermal hardware and capacitors before use. Record PCB revision and serial/date codes, document repairs and test conditions, and retain model-matched manual and firmware files. Do not cross-flash firmware from a similarly named board.
Manufacturer sources
- GIGABYTE B550 AORUS MASTER rev. 1.0 specificationsOfficial manufacturer documentation for this exact board; confirm current specifications and regional/revision-specific support.
- GIGABYTE B550 AORUS MASTER rev. 1.0 BIOS, manual and CPU supportOfficial manufacturer documentation for this exact board; confirm current specifications and regional/revision-specific support.
Specification summary is static; manufacturer documentation and support lists for the physical revision are authoritative.