HP Z440 Full Height 2nd Serial Port & Cable 641397-001 611901-001 628646-001 [628646-001] - $19.99 : Professional Multi Monitor Workstations, Graphics Card Experts
HP Z440 Series Turnkey Workstation with 32GB RAM, 5TB HDD,
Amazon.com: HP Z440 Gaming/Streaming Workstation Rig, Intel Xeon E5-1650 v4 6-Core up to 4.0GHz, 16GB DDR4 RAM, 1TB SSD, Nvidia GTX 1080 8GB, HDMI, Display Port, USB 3.0, Windows 10 Pro 64-bit (
Amazon.com: New Genuine PS for HP Z440 Workstation 700 Watt Power Supply 758467-001 : Electronics
Logitech Z-5 review: Logitech Z-5 - CNET
SummitLink Extension Cable Compatible for Logitech Computer Speakers Control Pod z-5400 z-2300 z-5500 z-5300 z-5450 z-906 z-680 z-623 : Amazon.in: Computers & Accessories
Memory Cooling Solution J2R52AA Memory Fan Baffle Compatible with HP Z440 Workstation 748799-001 at Amazon.com