Lenovo IdeaCentre Desktop: i5-9400F, 16GB DDR4, 256GB SSD, GTX 1660 Ti $684 + Free Shipping $629.99

This showed up in Deal Discussions, good review for product, showed as expired. I clicked the link and it is still there at an even better price. I did order one based on the reviews at Slickdeals.
Link to original post:
Lenovo IdeaCentre T540 Gaming Desktop: 9th Gen Intel Core I5-9400F 6-Core, 16GB DDR4, 256GB SSD, GTX 1660 TI 6GB, Type-C, Win 10
was $719.99 with Free Shipping.
Current price $629.99 with code HOMEOFFICE10, Doorbuster price good thru 2/9.
Link to product from Slickdeals page.
https://slickdeals.net/?adobeRef=00eb366e4b5611eaab7aa2d0325ecb310002&sdtid=13415950&sdfpid=502666&sdop=1&sdpid=130782859&sdfid=30&lno=1&trd=https%20www%20lenovo%20com%20us%20en%20desk%20&pv=&au=&u2=https%3A%2F%2Fwww.lenovo.com%2Fus%2Fen%2Fdesktops-and-all-in-ones%2Fideacentre%2F500-series%2FIdeaCentre-T540-15ICB-G%2Fp%2F90L10007US%3Fgclid%3DEAIaIQobChMIgL-B8p755AIVyP_jBx3QRwDzEAkYASABEgLEIfD_BwE%26ef_id%3DEAIaIQobChMIgL-B8p755AIVyP_jBx3QRwDzEAkYASABEgLEIfD_BwE%253AG%253As%26s_kwcid%3DAL%25214030%25213%2521261899498314%2521%2521%2521g%2521433676898195%2521%26cid%3Dus%253Asem%257Cse%257Cgoogle%257Cshopping%257C90L10007US%26kw%3D%26adid%3D261899498314%26addisttype%3Dgpla%26p rodsku%3D90L10007US
https://www.lenovo.com/us/en/desk…ate:bv0as6