If you know, you know.
The Cooler Master ATCS 840 is a legendary, classic all-aluminum full-tower computer case originally released in late 2008. Renowned for its massive scale and premium craftsmanship, it builds on the legacy of Cooler Master's iconic early-2000s ATC series. It is sought after by PC enthusiasts, server builders, and retro-hardware collectors.
Exceptionally spacious interior; outstanding toolless drive mechanism; dedicated air ducting for supplementary graphics card cooling; excellent foundation for custom liquid-cooling loops.
Premium Aluminum Build: Crafted entirely of high-quality aluminum, providing a lightweight design relative to its size while naturally helping with heat dissipation.
Massive Expandability: Features six 5.25" external drive bays and seven 3.5" drive bays (six internal, providing incredible room for high-capacity storage builds or legacy optical drives.
Advanced Thermal Management: Out of the box, it shipped with a formidable negative-pressure cooling system, including three giant 230mm fans (one front intake, two top exhausts) and a 120mm rear exhaust fan.Slide-Out
Motherboard Tray: A premium feature rarely seen in modern cases, the motherboard tray glides out smoothly on ball-bearing tracks, making system assembly, testing, and CPU cooler upgrades remarkably easy.Concealable I/O Panel: A pop-up top panel cleanly hides legacy connections including USB ports, Audio, IEEE 1394 (FireWire), and e-SATA.
Shipping in original box and packaging to CONUS only.