Thermaltake LCGS Reactor u2890 Gaming Desktop (Intel® Core™ Ultra 9 285K, ToughRam 32GB DDR5 6400MT/s RGB Memory, NVIDIA® GeForce RTX™ 5090, 2TB NVMe M.2, WiFi, Windows 11) T6BK-Z890-590-LCS
Thermaltake

Thermaltake LCGS Reactor u2890 Gaming Desktop (Intel® Core™ Ultra 9 285K, ToughRam 32GB DDR5 6400MT/s RGB Memory, NVIDIA® GeForce RTX™ 5090, 2TB NVMe M.2, WiFi, Windows 11) T6BK-Z890-590-LCS

$5699.99 0.0★

*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.

What better way to power your battle station than the Reactor u2890. Its unique octagonal prism shape isn't just a statement piece; it's a testament to innovation, designed to offer superior cooling and performance. Powered by the formidable Intel® Core™ Ultra 9 285K processor and the revolutionary RTX 5090 graphics card, this gaming behemoth delivers unmatched performance for an immersive gaming experience. With 32GB of high-speed 6400MT/s Memory and a massive 2TB NVMe SSD, say goodbye to load times and hello to instant action.

Key Features

  • Intel Core Ultra 9 285K CPU, Intel Z890 Chipset motherboard, 32GB DDR5 6400MT/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

Full Specifications

UPC840480300814
ASINB0FB15XXWX
BrandThermaltake
ColorBlack
RAM TypeDDR5 RAM
CPU ModelIntel Core i9
CPU Speed3.7 GHz
Cache Size32
Model NameReactor u2890
Model Year2021
Resolution3840 x 2160
Style Name285KF | 5090
Aspect Ratio169
Display TypeLED

Ready to buy?

Thermaltake LCGS Reactor u2890 Gaming Desktop (Intel® Core™ Ultra 9 285K, ToughRam 32GB DDR5 6400MT/s RGB Memory, NVIDIA® GeForce RTX™ 5090, 2TB NVMe M.2, WiFi, Windows 11) T6BK-Z890-590-LCS is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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*Price sourced from Amazon.com. Last updated 2026-04-23. Price and availability subject to change.

As an Amazon Associate, SpecPicks earns from qualifying purchases. Prices accurate as of 2026-04-23 and subject to change.

$5699.99
0.0★
View on Amazon →