Apple Mid-2011 21.5" Intel i5 500GB iMac


Apple Mid-2011 21.5" Intel i5 500GB iMac

“Specifications:
Processor: Intel Core i5-2400S 2.5GHz
Processor Core: Dual-Core”

These machines are Quad Core - https://everymac.com/systems/apple/imac/specs/imac-core-i5-2.5-21-inch-aluminum-mid-2011-thunderbolt-specs.html