The Product is available from China at Discount price, without any tax for sale now, buy from ：www.proudsale.com Technical Details Screen Size 15.4 inches Screen Resolution 2880 x 1800 Max Screen Resolution 2880x1800 pixels Processor 2.2 GHz Intel Core i7 RAM 16 GB DDR3L Memory Speed 1600 MHz Hard Drive 256 GB Graphics Coprocessor Intel Iris Pro Graphics Number of USB 3.0 Ports 2 Brand Name Apple Series Apple MacBook Pro MGXA2LL/A 15.4-Inch Laptop with Retina Display Item model number MGXA2LL/A Hardware Platform Mac Operating System OS X Mavericks Item Weight 4.5 pounds Item Dimensions L x W x H 9.73 x 14.13 x 0.71 inches Color Silver Processor Brand Intel