PC TV related products don't have Scart sockets...:-)
You need a satellite TV card such as:
The software will allow you to make recordings on your hard drive (in similar fashion to PVRs).
I have a five-year-old Twinhan Freeview PCI TV card which offers all the features, via the ShowShifter software I use, of a PVR; the above satellite TV card would work in similar fashion.
You'll need a feed from your satellite dish (you may have to upgrade the LNB).