I'm pretty sure that's the same SD/FF that I got from them about 2 years ago. Never had a problem with it.
The instructions were naff, but people on here helped me install it.
Naff picture, but you can see the cardboard beneath the power connectors on the left, that's connected (by a small grey wire) to the PCB just below the small ribbon cable (which is connected to it). That's the SD/FF.
I'll have to upload a better picture sometime.