Surplus Products via NeweggFlash offers the refurbished HP Z420 Workstation Intel Xeon E5 3.2GHz Desktop PC for $349.99 with free shipping. That's $5 below our October mention of a similar model (which featured Windows 7 Pro), $150 off, and the lowest total price we've seen for this configuration with any Windows OS. It features an Intel Xeon E5-1650 3.2GHz Sandy Bridge 6-core processor, 8GB RAM, 250GB hard drive, DVD burner, Gigabit Ethernet, USB 3.0, and Windows 10 Professional 64-bit. Deal ends February 22.

Note: A 90-day Surplus Products warranty applies. The item may have cosmetic blemishes such as scratches or surface imperfections.