Biostar TH55B HD
Motherboard, from 2009 2 hardware reports
Memory
Up to 8 GB
4 full-size slots
SSD slots
Coming next
Checked from separate sources
Only 2 machines reported so far, so this answer rests on few examples. Check the label or open the panel before you buy.
Upgradable
Yes. 4 slots, up to 8 GB seen working.
It takes the same type of full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Most seen working
- 8 GB in two or more machines
- Firmware says
- 4 GB maximum (often wrong, so we show what machines run)
- How sure
- 2 of 2 reports show this layout
Worked out from 2 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 Biostar TH55B HD?
Yes. 4 slots, up to 8 GB seen working. It takes the same type of full-size sticks (DIMM).
How much RAM can the Biostar TH55B HD take?
Machines in the reports run up to 8 GB. The firmware reports a maximum of 4 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 TH55B HD.