Amazon.com: Genuine Dell Studio XPS 435MT Tower Motherboard Part Number R849J 0R849J. Supports Intel Core i7, 1066 MHz and 1333 MHz Memory : Electronics
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Where is a diagram of the motherboard in the Studio XPS 435/9000 with the I7 processor - Dell Community
Dell 0R849J - Desktop Motherboard for Studio XPS 435 MT
Sierra.6 on Dell XPS 435MT Studio from '09 x58 chipset. Specs in picture. Can't get QE/CI enabled. I've seemed to get everything else running fine. Also have a post on insanelymac with