These are decent computers , given the fact that they can be used by students for homework (not for heavy software such as Photoshop, Java programming, AutoCAD used simultaneously ). It might handle  AutoCAd probably if used without other heavy programs in the background.I bought them as a cheaper solution for a small business, and I noticed that they were glitchy when running Quickbooks and Office software (slow response after clicking certain features within software, and saving files etc). I had to uninstall a lot of Office versions in French, Spanish , and other software that was not needed.I had to change the default .JFIF picture format to .JPEG in the Win 10 registry system (after installing Adobe reader) because any pictures saved from emails or online, will automatically be saved as .JFIF, which cannot be uploaded online for certain documents.I could see the good intentions of the seller to provide more options for customers, with pre-loaded software and a keyboard, and a mouse, and a wireless adapter, a VGA to Digital Display adapter, etc. But honestly I could not use the wireless adapters because they are not performant.I had to get different (higher-end) keyboards and mice, to improve the work performance in the office.As I said I appreciate the effort of the seller to include the other items (besides tower), but they are for a minimal user, so to speak, not performant.My internet business speed is around 200Mbps and I use CAT8 cables for these towers, which helps to improve the processing speed of the towers.I probably would have paid the extra 60-70 $ to get new towers from Dell, just because a small business has more demands from a computer.Some USB ports in the front side and back side were glitchy when reading a flash drive input (connecting and disconnecting intermittently ). They could be improved by updating the drivers for all bus controllers...Maybe not all towers have the same glitches , but im just mentioning in case you guys need to check all capabilities before shipping them.The model number of the computers I received  is 7070.. not as advertised- 5070...im not sure why.Overall they're decent for an average user (emails, youtube movies, browsing, homework), and an affordable option for young students and retired folks. God Bless!