CowBoom offers the used Microsoft Surface Pro 3 128GB 12" Windows Tablet in Silver, model no. MQ2-00001, for $439.99. Coupon code "SURFACE322516" cuts the price to $339.99. With free shipping, that's $80 under last week's mention of a used unit and the lowest total price we've seen for it in any condition. (It's also $264 under the best price we could find for a new unit today.) It features an Intel Core i5-4300U 1.9GHz Haswell dual-core processor, 12" 2160x1440 multi-touch LCD, 4GB RAM, 128GB internal flash storage, 802.11n wireless, Bluetooth 4.0, 5-megapixel front- and rear-facing cameras, microSD card slot, USB 3.0, and Windows 8.1 Pro. (It doesn't include the keyboard cover.) Deal ends February 25.

No warranty information is provided. Also, it may have scuffs, surface scratches, dents, or other cosmetic blemishes.