2011 - 21.5" iMac, 2.5GHz Quad Core i5 Processor, 12GB RAM, 1TB HD

Specs: Year: Late 2011 CPU: Quad Core 2.5GHz Intel® Core™ i5-2400S Processor, Up to 3.3GHz Storage: 1 TB Hard Drive (Recommended SSD Upgrade) RAM: 12GB 1333MHz DDR3 (Supports 32GB RAM Upgrade) Graphics: Radeon HD 6750M w/512MB GDDR5 VRAM IPS Display, 1920x1080 resolution Mac OS Support: 10.6.6 "Snow Leopard" - 10.13 "High Sierra"  Connectivity: 4x High Speed USB 3.0 Ports 2x Thunderbolt 2 Ports Gigabit Ethernet Jack SD Card Slot 3.5mm Headset Port External display Support, up to 2560x1600 resolution Included With Purchase: Power Cable Keyboard & Mouse set 1 Year Warranty (See Warranty Page for details) Extended Warranty options available