2017 Apple iMac with Intel Core i5 (21.5-inch, 16GB RAM, 1TB Storage) – Silver (Renewed) Standing screen display size 21.5 Inches Max Screen Resolution 1920×1080 Pixels Processor 2.3 GHz core_i5 RAM 16 GB DDR4 Memory Speed 2133 MHz Hard Drive 1000 GB HDD Graphics Coprocessor Intel Iris Plus Graphics 640 Chipset Brand Intel Card Description Integrated Graphics Card Ram Size 999999 GB Wireless Type 802.11n, 802.11b, 802.11g Other Technical Details Brand Apple Series IMac A1418 Item model number A1418 Hardware Platform Mac Operating System MacOS Sierra Item Weight 14.5 pounds Product Dimensions 17.7 x 20.8 x 6.9 inches Item Dimensions LxWxH 17.7 x 20.8 x 6.9 inches Color Silver Processor Brand Intel Processor Count 2 Computer Memory Type DDR4 SDRAM Flash Memory Size 1 TB Hard Drive Interface Unknown Hard Drive Rotational Speed 5400 RPM