Thermaltake LCGS Reactor 9890S (T6WT-X870-590-LCS)
$5,699.99
Computer summary
Thermaltake LCGS Reactor 9890S is an acceptably priced Windows gaming computer released in 2026. It has the GeForce RTX 5090 GPU which is brilliant for playing games. You can play all of the newest and most popular games on recommended settings. The computer doesn't come with the top AMD CPU plus also less memory than it's rivals for its price.
Check for game compatibility
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Thermaltake LCGS Reactor 9890S (T6WT-X870-590-LCS)
2026 modelAMD CPU
Specifications
| Thermaltake LCGS Reactor 9890S (T6WT-X870-590-LCS) |
|---|
| Processor (CPU)?Central Processing Unit is the heart of a gaming PC and is responsible for running games. Read more |
| AMD Ryzen 7 9800X3D |
| Memory (RAM)?Memory increases the general speed of a gaming PC. Read more |
| 32gb |
| Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs. Read more |
| GeForce RTX 5090 |
| Operating system (OS) |
| Windows 11 |
| Hard drives |
| 2000gb SSD |
| Release date |
| January 25, 2026 |
| Amazon.com List Price |
| $5,699.99 |
| Amazon.com Lowest New Price |
| $5,699.99 |
| Buy on Amazon.com |
Game compatibility checker
Amazon.com description
Thermaltake LCGS Reactor 9890S Gaming Desktop (AMD Ryzen™ 7 9800X3D, ToughRam 32GB DDR5 6000MT/s RGB Memory, NVIDIA® GeForce RTX™ 5090, 2TB NVMe M.2, WiFi, Windows 11) T6WT-X870-590-LCS
AMD Ryzen 7 9800X3D CPU, AMD X870 Chipset motherboard, 32GB DDR5 6000MT/s RGB, 2TB NVMe M.2, WiFi, Windows 11
NVIDIA GeForce RTX 5090, Display Port/HDMI
Enjoy Panoramic Views with 3mm TG Front panels and Excellent Airflow with Perforated Side Panels
Closed Loop Liquid Cooling with 360mm Radiator
Chassis I/O - 1x Type C, 2x USB 3.0, 1x Headphone, 1x Mic Ports
ASIN: B0FB1962M1
Updated May 4, 2026