Description Genuine Dell original rear / middle hinge cover and I/O ports cover assembly; for the Alienware 15 R3and 15 R4 Laptops. This piece covers the rear exhaust and I/O ports. Guaranteed Compatible Dell Laptops:Alienware 15 R3Alienware 15 R4 P/N’s:BAP10_THERMAL_SHELFFA1JM000B00 Part Number BAP10CVR Condition Used: Very Good Shipping Weight 0.9 lb(s). Item Category Control Covers