1GB RAM Memory for Lenovo ThinkCentre M58 7639 240pin PC3-8500 DDR3 DIMM 1066MHz Black Diamond Memory Module Upgrade - Newegg.com
Lenovo Yoga Slim 7 Pro 14ACH5 in review: 14-inch powerhouse with good battery life - NotebookCheck.net Reviews
Restored Lenovo ThinkCentre M58-SFF Desktop PC with Intel Core 2 Duo Processor, 4GB Memory, 1TB Hard Drive and Windows 10 Home (Monitor Not Included) (Refurbished) - Walmart.com
Lenovo ThinkCentre M58 6258 (Core 2 Duo 2.53GHz / 160GB HDD / 4GB RAM) – The PC Room