Newegg offers the refurbished D-Link 16-Port Unmanaged Gigabit Rackmountable Switch, model no. DGS-1016D, for $49.99. Coupon code "EMCAVKV35" cuts it to $34.99. With free shipping, that's $87 under the lowest total price we could find for a new unit. It features 802.3, 802.3u, 802.3ab, 802.1p, and 802.3x support.

Also available is the refurbished D-Link 24-Port Unmanaged Gigabit Rackmountable Switch, model no. DGS-1024D, for $79.99 before the above coupon, $55.99 after. With free shipping, that's $84 under the price of a new one and another price low. Features include 802.3, 802.3u, 802.3ab, and 802.3x support, and 48Gbps switching capacity. Both deals end July 20.

A 90-day warranty applies to both items, but it's unclear who backs it.