HP offers its HP EliteDesk 705 G2 AMD A4 3.5GHz Microtower Desktop PC, model no. L1M88AV_1, for $518.50. Coupon code "CTRSMB15" cuts it to $440.72. With free shipping, that's $409 off list and the lowest total price we could find. It features an AMD A4-8350B 3.5GHz dual-core processor, 4GB, 500GB 7200 rpm hard drive, and Windows 10 Pro 64-bit. Coupon ends November 30.