Fireface UFX II vs Fireface UFX III
The Fireface UFX III costs about $400 more than the Fireface UFX II and buys you 1 more I/O, plus Duplex SC.
| Spec | Fireface UFX II | Fireface UFX III |
|---|---|---|
| Rack space | 1U | 1U |
| Weight | 6.2 lbs | 6.2 lbs |
| Power draw | Passive | Passive |
| Depth | 240 mm | 240 mm |
| I/O count | 38 | 39 |
| Price | ~$2,799 | ~$3,199 |
Highlighted where one is plainly lighter, smaller, cheaper or draws less. I/O count is left unmarked on purpose — more connectors you don't need is weight, cost and a bigger case.
Connectors only one of them has
Fireface UFX II
Nothing the Fireface UFX III doesn't also have.
Fireface UFX III
- Duplex SC
Settle it in your own rack
Specs decide less than fit does. Drop either one into your rig and see the real answer — what space is left, what the circuit draws, and whether every cable it needs actually lands somewhere.
Open the rack plannerTry 15 minutes without an account. Both units are in the catalog.

