There is now a new Lot number of Blades that will work on both UX5000 as well as the SV8100 & SV8300 products.
relase date, 06/19/2012 12:15 PM | Updated 10/28/2012 10:17 AM
This is older information, from 2012. Not sure if it helps you.
The Converted Blades have:
UX Stock Numbers,
UX Model Name,
Blue SV8100 & SV8300 Faceplate
Lot No. XXXXXX-GC Lot numbers ending in "C" are the new Converted Lot Number of Blades that will work in either UX5000 or SV8100 & SV8300 series products.
Currently the Blades that have been converted for use in either UX5000 or SV8100 or SV8300 are:
670109 CD-16DLCA 0911038 IP3WW-16ESIU-A1
670114 CD-8LCA 0911044 IP3WW-8SLIU-A1