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Built For Performance. Engineered for impact. Designed to stand apart.
Who We Are
Dark Matter Machines (DMM) is a high-end custom PC design and fabrication studio based in Rock Hill, South Carolina.
Founded by David Long, owner of Loud Nuff Car Audio LLC, DMM merges precision engineering with visual art — delivering machines that perform as hard as they look.
Every system is built by hand, tuned for power, and finished to perfection. Whether it’s a one-of-a-kind showpiece or a performance workstation, every build represents the fusion of creativity, power, and craftsmanship.
What We Build
• Custom-built PCs designed for performance and reliability
• Themed systems featuring game, movie, and brand integrations
• Full custom water-cooling, acrylic and 3D-printed components
• Personalized show builds and shop demos
• Workstations optimized for creators, gamers, and professionals
The DMM Difference
We don’t build computers — we design machines.
Every detail is intentional — from hidden cable routing and custom reservoirs to color-matched components and dynamic lighting.
Our work blurs the line between hardware and art, and it’s all done right here in Rock Hill, SC.
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