HP Z210 WorkStation, Intel Xeon E31230, 3.20 GHz, 8GB RAM, 320GB HDD, – Pc Retro Shop
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HP Z420 Workstation Xeon E5-2620 6C 12T 32GB RAM ECC No HDD No OS [647290-001] - $299.00 : Professional Multi Monitor Workstations, Graphics Card Experts
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HP Z420 - Refurbished Workstation | PC Server & Parts
Amazon.com: HP Z400 Workstation PC - Intel Xeon W3520 2.67 GHz Quad-Core CPU, 12 GB DDR3 RAM, 2 TB Hard Drive, DVD-ROM, Windows 7 Professional : Electronics