Major Corsair Obsidian 1000D Custom PC Upgrade

About the Project

In June 2020, HYPERPC engineers built a true monster — an uncompromising platform with two RTX 2080 Ti graphics cards and an Intel Core i9 processor inside the monumental Corsair Obsidian 1000D case. For years this machine served its owner faithfully, but technology never stands still.

The client came to our showroom looking for a substantial performance upgrade for modern workloads. We had two options: build an entirely new system or give the existing flagship PC a second life.

We replaced the ageing platform with current flagship hardware while retaining the original chassis. The result delivers exceptional performance across gaming and demanding professional workloads.

Configuration

  • Graphics Card:
    Palit GeForce RTX 5090 GameRock [32GB, 21760 CUDA] — replacing two previous-generation cards with a single flagship GPU fitted with a custom water block
  • Processor:
    AMD Ryzen 9 9950X3D [up to 5.6GHz, 16 cores]
  • Motherboard:
    ASUS ROG CROSSHAIR X870E APEX [DDR5, Wi-Fi]
  • Memory:
    96GB G.SKILL TRIDENT Z5 NEO RGB [DDR5, 6000MHz, 2x48GB]
  • Storage:
    2TB Samsung 9100 PRO [14700MB/s, Gen5] — an ultra-fast fifth-generation system drive
    12TB Seagate SkyHawk — retained
  • Power Supply:
    Corsair HX1200i 1200W — retained
  • Cooling:
    New custom liquid-cooling loop, neon-green coolant
  • Case:
    Corsair Obsidian 1000D — retained
  • Fans:
    10 × Geometric Future Squama 120 Black and 3 × Squama 140 Black
Original 2020 build: RTX 2080 Ti SLI and red coolant

Diagnostics and Efficient Use of the Budget

The “Before” photo shows the original configuration: an intricate loop filled with red coolant and a large dual-GPU SLI setup. After thoroughly testing the components, we confirmed that the Corsair Obsidian 1000D chassis, the 12TB hard drive, and the premium Corsair HX1200i power supply remained in excellent working condition.

We therefore retained these components and focused the budget on the upgrades that would deliver the greatest benefit: current-generation processing and graphics performance, a new liquid-cooling loop, and a complete visual refresh.

Aesthetics and Custom Cooling: A Complete Transformation

As the “After” photo shows, the system has been completely transformed. We removed the original liquid-cooling loop and designed a new layout with clean, precisely aligned tubing runs.

  • A new signature colour. The original red coolant was replaced with a vivid neon green. Against the case’s matte-black metal and the understated motherboard lighting, it gives the system a bold, futuristic appearance.
  • Optimised airflow. We installed 13 Geometric Future Squama fans to provide strong airflow through the large radiator array. Their distinctive frames and impellers also complement the system’s updated industrial design.
  • A cleaner presentation. We completely reworked the cable management to create a clean, uncluttered interior. The parallel acrylic tubing and illuminated coolant reservoirs now remain the visual focus.
Corsair Obsidian 1000D after a full upgrade: neon-green custom loop and RTX 5090

The Result

The finished system combines the character of the original 2020 build with current flagship performance. It can handle demanding 4K gaming and professional workloads with ease, while preserving the owner’s favourite chassis and making efficient use of the upgrade budget. This was more than a component replacement: it was a comprehensive rebuild of a distinctive custom PC.

Like This Project?

Would you like to order a similar computer or create a unique project of your own? Contact us for a consultation, and we will discuss every detail of your future PC.

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