Apple says it's vintage. It's a 21.5 in 2011 iMac w/ 32GB ram, 4GB AMD wx4150, 512GB and 1TB internal SSDs on a 2nd primary 2011 Thunderbolt Display running Ubuntu. Playing some
Apple iMac 27" A1312 Quad Core i5 2,70 GHz 16/32 GB RAM 1 TB HDD 2011 sierra alta | eBay
Apple iMac 27" Mid 2011 QHD i7-2600 32GB Ram 1TB HDD AMD HD 6970M HS OS DMG2 | eBay
OWC 32GB MaxRAM Upgrade Turns Apple iMac Into Ideal Workstation With Double The Factory Memory At 40 Percent Lower Cost
iMac RAM Models 11.3 (i5 and i7 only) to 12.2 (8GBx4) | MacMemory.com
APPLE IMAC 2011 , ALL-IN-ONE , 22″ inch , Intel Core i5 -2500S - 2.7 G – Montag Store
Today picked up a $20 2011 iMac 27” with working gpu too! : r/mac
Upgrading 27" iMac (2011) To 32GB Of RAM - YouTube
iMac 27 Pollici Usati Ricondizionati di Grado A (10)
NEMIX RAM 32GB (4x8GB Upgrade) DDR3-1333 PC3-10600 204-Pin SODIMM Memory for Apple MacBook Pro Early/Late 2011, iMac Mid 2010 27 inch 4-Core, iMac Mid 2011 21.5/27” , Mac Mini Mid 2011 at Amazon.com