Lenovo ThinkPad P50 Mobile Workstation Laptop - Windows 8.1 Pro - Intel i7-6700HQ, 64GB RAM, 512GB SSD, 15.6" FHD IPS (1920x1080) Display, NVIDIA Quadro M1000M, Fingerprint Reader, AC Wi-Fi - Newegg.com
Amazon.com: HP Z420 Workstation - 8 Core E5 2670 up to 3.3GHz CPU (20 MB Cache) - 64GB RAM- 1TB SSD + 4TB HD with 3 YR WNTY- USB 3.0 (Renewed). : Electronics
64GB (4X16GB) Mem Ram For HP/Compaq Workstation Z1 G5, Z2 Tower G4 by CMS D56 | eBay