Purchased this computer for a Home office setting-- replaces a 2015 vintage i3-3240 Dell I660S.So far I've turned it on-- it was windows 10 digitally activated.  I added 8GB (2 4GB sticks) of RAM as thankfully the RAM configuration is 4 DIMMs and from the supplier came with 2 4GB stick in the first 2 slots.  Supplier was Skyworks Computers LLC.  Box was clean and reasonably pristine for a used box.  Interior was clean .I ran passmark.com's performance test and it scored at the 80th percentile.  3D Graphics spec was horrible and failed to do the DirectX 12 test.  I am updating drivers now and will hopefully report back later.  The i7-3770 is a similar processor to the i3-3240 from the old box, but with 2x core/threads, plus with the 3.9GB Turbo it seems I'm up to a passmark speck of ~9400 compared with 4317 from the i3.I didn't have a wired lan yet in the location I was working, and I was confused by a usb stick that came in the box.  I plugged it in and it didn't appear to be a flash drive (I thought it might have been a Win 10 Installer) but rather it was a wifi dongle.  It's either not that great, or my location is not that great-- but it managed 20MB down/1up while my service should be 60MBdown/2up.  But I plan to wire in eventually and it was nice to be able to do wireless easily in the mean time.Overall, I'm pleased with the purchase for the price.  Even without the additional 8GB ram this would have been a very workable box at only $230.I'll update after further use if anything new comes to light.Concerns:  The 2 4GB sticks from the supplier do not appear to be matched-- need to see if the box does dual channel and if I put my sticks (which are dual channel) in the right sequence.  If box does dual channel, it may not get best performance with the mismatched sticks from supplierNote:  I gave 3 stars for Technical Support as a middle ranking since I have not actually tried to contact them.  It may be exemplary, but I didn't want to go 5 or 1 with no experience.  I based the 2 on gaming based on the passmark 3d spec.  Possibly after updating drivers this could improve.