voila la "bete"    
 
 Composants
XPS 13 (9343)
Windows 8.1 (64Bit) French
DW 1560 + BT4.0 [802.11ac + Bluetooth 4.0, Dual Band 2.45 GHz, 2x2]
55 WHr, 4-Cell Battery (integrated)
European Power Cord
45 Watt AC Adapter
256GB Solid State Drive
13.3-inch UltraSharp(TM) QHD+ (3200 x 1800) InfinityEdge touch display
Intel(R) Core(TM) I5 processor Label for Ultrabook
5th Generation Intel(R) Core(TM) i5-5200U Processor (3M Cache, up to 2.70 GHz)
 
Je viens de remarquer que je ne pouvais plus faire de detection materiel sur le site de Dell également...