The details
- The sockets accept 3-pin and 5-pin MX switches interchangeably, per Epomaker's product pages. No leg clipping, no soldering.
- The PCB is south-facing, confirmed in Epomaker's listings, so Cherry-profile keycaps will not collide with switch housings. It also means north-facing interference is one problem you never have to think about on this board.
- Linear, tactile and clicky switches all register the same way. The stock Gateron Pro switches can be pulled and kept as spares.
- The board is sold both barebones and prebuilt. The barebones kit ships with no switches at all, so any MX switch you buy is the plan, not an upgrade.
- Per-key RGB shines from below the stem, so switches with clear or milky housings let more light through, though opaque housings still work fine electrically.
What does not fit
- Low-profile switches (Kailh Choc, Gateron Low Profile): different pin pattern and height.
- Optical switches: they require light-sensor sockets this PCB does not have.
- Magnetic Hall effect switches: they require sensor hardware this PCB does not have.
- Plate-mount stabilizer parts are not the constraint here, but note the stabilizers are separate from the switch sockets: swapping switches never requires touching them.
What owners actually do
The TH80 Pro has a large budget-custom following, and the consensus pattern is simple: buy it barebones, fill it with an inexpensive well-reviewed linear, and enjoy the foam-damped gasket sound. Owners who find the stock feel too light move to medium-weight tactiles. Because the board ships with a switch puller in most bundles, the swap is a ten-minute job: pull straight up, push the new switch in until it clicks, test the key before moving on.
If yours is a different TH80
Epomaker has shipped several boards under the TH80 name: the original TH80, the TH80 Pro, the TH80 SE, and the TH80 V2 Pro. All are marketed as MX hot-swap boards, but they are different PCBs from different years. Before ordering a large batch of switches, check the exact model name printed on your box or listing, and confirm that listing says 3-pin and 5-pin hot-swap. Do not assume a spec from one TH80 generation carries to another.