As one of its daily deals, CowBoom offers the used Sony PlayStation 4 500GB Console, model no. 10034PS, for $279.99. Coupon code "PS461115" cuts it to $219.99. With free shipping, that's $10 under our April mention of a used unit and the lowest total price we've seen. (It's also $179 under the best price we could find for a new one.) It includes the system and power cord. Deal ends today.
Note: No warranty information is provided, and this item may have minor scratches and/or be missing accessories.