Gigabyte B550 AORUS MASTER
Motherboard, from 2020 9 hardware reports
Memory

Up to 128 GB
4 full-size slots
SSD

1+ M.2
At least 1 M.2 SSD slot
SSD length
Coming next
Checked from separate sources
Upgradable
Yes. 4 slots, up to 128 GB seen working.
It takes DDR4-2133 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR4-2133 288-pin DIMM
- Most seen working
- 128 GB in two or more machines
- Firmware says
- 128 GB maximum
- SSD slots
- At least 1 M.2 SSD slot listed by the firmware
- How sure
- 9 of 9 reports show this layout
See 32 GB DDR4-2133 DIMM on AmazonOpens an Amazon search for this exact spec.
Worked out from 9 hardware reports of this motherboard. Sources and method. Updated 9 Nov 2026.
4 full-size slots
Illustration Questions
Can I upgrade the RAM in the Gigabyte B550 AORUS MASTER?
Yes. 4 slots, up to 128 GB seen working. It takes DDR4-2133 full-size sticks (DIMM).
What type of RAM does the Gigabyte B550 AORUS MASTER use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
How much RAM can the Gigabyte B550 AORUS MASTER take?
Machines in the reports run up to 128 GB. That matches the 128 GB maximum the firmware reports.
Does the Gigabyte B550 AORUS MASTER have an M.2 SSD slot?
Yes. The firmware lists at least 1 M.2 SSD slot, in 9 reports. Some firmware leaves a slot out, so there may be more.
Is this my motherboard?
The model name is printed on the board, usually between the memory slots or near the CPU socket. In Windows, open System Information and look at "BaseBoard Product"; it should read B550 AORUS MASTER.