Surplus Products via Newegg again offers the refurbished HP Z420 Intel Xeon E5 3.2GHz Workstation Desktop PC for $334.99. Apply coupon code "MPBF17" and check out with MasterPass to cut the price to $309.99. With free shipping, that's $25 below our October mention, $790 off list, and the lowest price we've seen for this configuration. It features an Intel Sandy Bridge Xeon E5-1650 3.2GHz 6-core processor, 8GB RAM, 250GB hard drive, DVD burner, Gigabit Ethernet, and Windows 10 Professional 64-bit. Deal ends November 25.

Note: A 90-day warranty applies, but it's unclear who backs it. The item may have cosmetic blemishes such as scratches or surface imperfections.