Apple iMac 27 2017 A1419 Logic Board with CPU. Hz Quad Core i5, Radeon Pro 580 8GB. Pulled from a working system and in 100% functional condition. Please note, we do not sell defective logic boards.Welcome to Gadgetmiester LLC, a. An experienced refurbisher and reseller of preowned Apple computers. Solid systems, timely customer communications, and uncompromising service sum up our core values (check our ratings). We are excited to partner with Lighthouse Technology, a faith based community initiative. To providing technology for 21st century living, and. Digital divide in communities around the nation. If on the remote chance there is a problem. We are more than willing to work with you to resolve any issues.