The Apple of HP's eye, the Z820 workstation is their biggest and baddest PC on the market, as well as the closest PC equivalent to Apple's new Mac Pro. So what can you get in your Z820?

16 DIMM slots, configurable to half a Terabyte of ECC DDR3 RAM

Up to 5 3.5-inch 7200 rpm SATA drives for a 15 TB max

Three external 5.25" drive bays

A whole slew of graphics cards options, ranging from the entry-level Nvidia Quadro K600 our sample arrived with, to the $4500 Quadro K6000

Support for one or two Intel Xeon E5 processors

3 x USB 3.0 and 5 x USB 2.0 ports, plus optional Thunderbolt 2 via add-in PCIe card