How We Built the $100,000 Desk PC - Karl Jacobs Desk PC Build
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Thanks Seasonic for sponsoring today's video! Buy a Seasonic Prime TX-1600: geni.us You saw the video about the desk we made for Karl Jacobs. But how did it all come together? Discuss on the forum: linustechtips.com Buy an Intel Core i9-1300KS CPU: geni.us Buy an ASUS ROG Strix GeForce RTX 4090 OC GPU: geni.us Buy G.Skill Trident Z5 RGB 2x32GB 6000MHz RAM: geni.us Buy an EVGA Z790 Dark K|NGP|n Motherboard: geni.us Buy a SeaSonic SPX-70 PSU: geni.us Buy a Samsung 980 Pro NVMe M.2 SSD w/ Heatsink: lmg.gg
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The video documents the ambitious process of turning a massive aluminum block into the Wings and frame of a $100,000 desk PC built for Karl Jacobs. It begins with an introduction to the machining powerhouse and the custom fixtures required to safely hold the enormous aluminum pieces for precise milling. The hosts describe the scale and cost of the components, including a 315 pound wing blank and a 550 pound Canada arm stock, and explain how these raw materials will be transformed into the structural elements of the desk. They walk through the machining workflow, highlighting the DMG Mori DMU65 computer numerical control mill, its 60 tools, and the high RPM capability that enables shaving metal with precision. The narrative emphasizes the collaboration between machinists and engineers, as well as the iterative design process in SolidWorks before committing to the metalworking steps. By the midsection, the team demonstrates how they create intricate fixtures, clamps, and jigs to secure parts, ensuring the wings align with the frame in a way that supports later assembly and cable management. The episode blends technical detail with humor, showing the tension and teamwork involved in a project of this scale, and it teases the next layers of assembly and final finishing touches that will complete the desk PC build.
Topics · technology · engineering · manufacturing · hardware · DIY · computer-hardware · machining · custom-design
Questions answered
- What is the total weight of the assembled desk PC as built in the video?
- The desk PC is described as weighing about 350 pounds in the buildup and testing phase.
- How many coolant loops are implemented in the system and what do they cool?
- There are three coolant loops: one cools the CPU with three radiators and two pumps, one cools the GPU with three radiators and two pumps, and the third loop serves as an equilibrating path between the tubes for overall system flow.
- What machine is used to mill the wings and what makes it notable?
- The DMG Mori DMU65 CNC milling machine is used, notable for its 60 tooling positions, fast tool changes, a 46 horsepower spindle, and capability up to 20,000 RPM, enabling high-precision aluminum fabrication.