GravityBuys via eBay offers the Microsoft Surface Pro 4 Intel Core i7 2.2GHz 12.3" 512GB Windows Tablet, model no. TH4-00001, for $1,799.99 with free shipping. That's the lowest total price we could find by $256. It features an Intel Core i7-6650U 2.2GHz Skylake dual-core processor, 12.3" 2763x1824 touchscreen LCD, 16GB RAM, 512GB internal storage, 802.11ac wireless, Bluetooth 4,0, 5-megapixel and 8-megapixel front camera, microSD slot, and Windows 10 Professional.