Compatible with Dell Latitude (thin-and-light & newer): E5440/E5540, E5450/E5550; E7250/E7350/E7450/E7470; 3450/3550, 3470/3570; 5280/5480/5490, 5580/5590; 7280/7380/7480, 7390 (barrel variants). Compatible with Dell Latitude (E-Series & 3/5/6 families):E4200, E4300, E4310; E5400, E5410, E5420, E5430; E5500, E5510, E5520, E5530; E6400, E6410, E6420, E6430, E6440; E6500, E6510, E6520, E6530, E6540; 3340; 3440/3540; 3550 (early batches).
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