Gigabyte P55M-UD2

Motherboard, from 2009 12 hardware reports
Memory
Up to 16 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Upgradable

Yes. 4 slots, up to 16 GB seen working.

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

Slots
4 DIMM slots
Most seen working
16 GB in two or more machines
Firmware says
32 GB maximum (often wrong, so we show what machines run)
How sure
12 of 12 reports show this layout

Worked out from 12 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 P55M-UD2?

Yes. 4 slots, up to 16 GB seen working. It takes the same type of full-size sticks (DIMM).

How much RAM can the Gigabyte P55M-UD2 take?

Machines in the reports run up to 16 GB. The firmware reports a maximum of 32 GB, a figure that is often wrong.

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 P55M-UD2.