CowBoom offers the used Sony PlayStation 4 500GB Gaming Console, model no. 10034PS, for $265.99. Coupon code "PRECYBER20" cuts the price to $245.99. With free shipping, that's $114 our mention of a new model from two days ago and the best price we've seen for this console. (It's currently $153 under buying a new unit.) It includes the system, HDMI cable, and power cord. Deal ends November 20.
No warranty information is provided, and this item may have minor scratches and/or be missing accessories.
Update: Specs corrected.