Gigabyte P55A-UD3

Motherboard, from 2009 20 hardware reports
Memory
Up to 32 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 32 GB seen working.

It takes the same type of full-size sticks (DIMM).

Slots
4 DIMM slots
Most seen working
32 GB in two or more machines
Firmware says
32 GB maximum
How sure
20 of 20 reports show this layout

Worked out from 20 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 P55A-UD3?

Yes. 4 slots, up to 32 GB seen working. It takes the same type of full-size sticks (DIMM).

How much RAM can the Gigabyte P55A-UD3 take?

Machines in the reports run up to 32 GB. That matches the 32 GB maximum the firmware reports.

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 P55A-UD3.