Your 2 last deals are absolutely amazing, trs96 ! If I wasn't in Europe with prohibiting shipping costs, I would again buy one or two... These machines are really amazing.
On most new builds these days you can't even buy your motherboard for sixty dollars or less.
I should have noted, that the 7010 MT is not professionally refurbished so it's likely not going to be in perfect condition. When they've been donated from a business for resale the charity such as thegridgoodwill, doesn't spend a lot of time fixing, cleaning or replacing anything. So as a heads up to anyone buying one, be prepared to do a bit of cleaning and fixing some minor things with these. Do the basic maintenance as you would for any 5-6 year old PC. With the money you save when buying, you spend time in doing your own refurbishing. I'm not saying they'll be in "bad" condition, just that buyers shouldn't expect them to be OOB new at this low price. They're simply being liquidated. Sometimes you can get lucky and get one at this price in really good condition, luck of the draw I guess. Any way you look at this, you can try out hackintoshing for a very minimal investement. If you like it, you can do some easy upgrades, graphics, PSU, ram and storage, to get a lot more performance out of this 7010 MT desktop from Dell.
Here's the disclaimer if you didn't see that:
All items are donated to further our Mission in providing quality work for individuals with disabilities and other barriers. Since we may receive items in bulk in different phases, package condition may differ than one shown in images. UPC barcodes may be marked and/or cut out. Contents however will not be affected. Please keep this in mind when making your bids.
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Here's a DT version with similar specs (i5-3470 instead of 3475 S) 4GB of ram and a Win7 license for $115 from a Professional refurbisher, Revive IT. These have been fully inspected and cleaned. Tested for non-working parts etc. by trained technicians. The PCs have certain minimum requirements that have to be met or they are rejected. For example if the size of a scratch or dent in the case is too large they don't sell that PC to their customers. They auction those off to other Ebay sellers.
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They also give a 1 year warranty with the $115 price. You'd need to buy a LP graphics card like the GT 710 or RX560. The other nice thing about going with a Pro refurbisher is that they will absorb the shipping costs. So for me, this DT would only be $25 dollars more than the 7010 MT linked to previously that makes the shipping cost an extra fee beyond the price of the PC.