Refurbished: Dell Precision T3500 Intel Xeon Quad Core 2800 MHz 500Gig Serial ATA 4GB DVD ROM Windows 10 Professional 64 Bit Desktop Computer - Newegg.com
HP xw6000 Workstation Dual Xeon 2800, 8GB, 80GB, PART # 264542-999 XP Pro | eBay
INTEL SL6VN CPU INTEL XEON 2800DP/512/533/1.50V SL6VN - Used - Walmart.com