Dell XPS 15 (L502X, Early 2011) - Manual (Page 102)

100
Specifications
Keyboard
Number of
keys 86 (U.S. and Canada);
87 (Europe); 90 (Japan);
87 (Brazil)
Layout QWERTY/AZERTY/Kanji
Touch Pad
X/Y position
resolution
(graphics table
mode) 240 cpi
Size:
Width 100 mm (3.94 inches)
Height 56 mm (2.2 inches)
Physical
Height 32.2 mm to 38.2 mm
(1.27 inches to
1.50 inches)
Width 381 mm (15 inches)
Depth 265.4 mm (10.45 inches)
Weight (with
6‑cell battery) configurable to less than
2.8 kg (6.17 lb)