Comparison of Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs SkyTech ST-LEGACY4-1788-B-AM
Comparison of SkyTech ST-LEGACY4-1788-B-AM vs Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS)

Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs SkyTech ST-LEGACY4-1788-B-AM

Comparison summary

  • For performance SkyTech ST-LEGACY4-1788-B-AM has a bit better processor. It also contains more memory.
  • ST-LEGACY4-1788-B-AM is cheaper.
  • Otherwise they are similar.
Compare technical specifications of Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS)
Compare technical specifications of SkyTech ST-LEGACY4-1788-B-AM

Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS)

SkyTech ST-LEGACY4-1788-B-AM

2026 model
2025 modelAMD CPU

Compare specifications

Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS)SkyTech ST-LEGACY4-1788-B-AM
Processor (CPU)?Central Processing Unit is the heart of a gaming PC and is responsible for running games.
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Intel Core Ultra 9 285KAMD Ryzen 9 9950X3D
Memory (RAM)?Memory increases the general speed of a gaming PC.
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32gb64gb
Graphics card (GPU)?Graphics Processing Unit calculates 3D graphics and is essential for gaming and heavy programs.
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GeForce RTX 5090GeForce RTX 5090
Operating system (OS)
Windows 11Windows 11 Home
Hard drives
2000gb SSD
Release date
January 25, 2026June 1, 2025
Amazon.com List Price
$5,699.99$4,999.99
Amazon.com Lowest New Price
$5,699.99$4,999.99
Buy on Amazon.comBuy on Amazon.com

Game compatibility checker

Compare Thermaltake LCGS Reactor u2890 / SkyTech ST-LEGACY4-1788-B-AM vs other computers:

Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs OMEN MAX 45L 5090 (TPC-W064-MT)
OMEN MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model64 GB RAMAMD CPU
$6,099.00
Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs OMEN MAX 45L 5090 (TPC-W064-MT)
OMEN MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model128 GB RAMAMD CPU
$7,699.00
$7,299.00
Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs OMEN MAX 45L 5090 (TPC-W064-MT)
OMEN MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model128 GB RAMAMD CPU
$6,849.00
Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs OMEN MAX 45L 5090 (TPC-W064-MT)
OMEN MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model64 GB RAMAMD CPU
$6,299.00
Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs OMEN MAX 45L 5090 (TPC-W064-MT)
OMEN MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model32 GB RAMAMD CPU
$5,899.00
$5,299.00
Compare Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) vs HP Omen MAX 45L 5090 (TPC-W064-MT)
HP Omen MAX 45L 5090
TPC-W064-MT
Runs 100% of new games on recommended RTX 5090 GPU2026 model64 GB RAMAMD CPU
$7,199.00
$5,999.00
Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) viewed from another angle
SkyTech ST-LEGACY4-1788-B-AM viewed from another angle

Thermaltake LCGS Reactor u2890 (T6BK-Z890-590-LCS) summary

Thermaltake LCGS Reactor u2890 is an excellent value Windows gaming computer released in 2026. It has the GeForce RTX 5090 GPU that is brilliant for playing games. You can play all of the newest and most popular games on recommended settings. The computer has a fantastic Intel processor, but not that much RAM for its price.

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

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

ASIN: B0FB15XXWX

SkyTech ST-LEGACY4-1788-B-AM summary

SkyTech ST-LEGACY4-1788-B-AM is an impressive value Windows gaming computer released in 2025. It has the GeForce RTX 5090 video card that is exceptional for playing games. You can play all of the newest and most popular games on recommended settings. The computer has an exceptional AMD processor and enough memory for its price.

Skytech Gaming Legacy 4 Gaming PC, AMD Ryzen 9 9950X3D 4.3GHz, NVIDIA RTX 5090 32GB VRAM, X870 Board, 4TB Gen4 NVMe SSD, 64GB DDR5 RAM 6000, 1200W Gold ATX 3 PSU, 420 ARGB AIO, WI-FI 7, Windows 11

AMD Ryzen 9 9950X3D 4.3GHz (5.7GHz Turbo Boost) CPU Processor | 4TB Gen4 NVMe M.2 SSD – Up to 30x Faster Than Traditional HDD | 420mm AIO Liquid CPU Cooler with ARGB Fans, say goodbye to outdated and inefficient air coolers.

NVIDIA Geforce RTX 5090 32GB GDDR7 Graphics Card (Brand may vary) | 64GB DDR5 RAM 6000 RGB Gaming Memory with Heat Spreader | Windows 11 Home 64-bit

802.11 AC | No Bloatware | Graphic output options include 1 x HDMI, and 1 x Display Port Promised, Additional Ports may vary | USB Ports Including 2.0, 3.0, and 3.2 Gen1 Ports | HD Audio and Mic | Free Gaming Keyboard and Mouse

High-spec AIO liquid coolers used, delivering unmatched cooling performance for a perfect operational experience and unparalleled cooling performance. With hardware unrestricted by temperature limits, you can unleash its full potential. Whether gaming, creating, or working, you'll never suffer from thermal throttling again. | Skytech Legacy Gaming Case with Tempered Glass, Black | 1 Year Warranty on Parts and Labor | Free Technical Support | Assembled in the USA

This powerful gaming PC is capable of running all your favorite games such as Call of Duty, Fortnite, Escape from Tarkov, Grand Theft Auto V, Valorant, World of Warcraft, League of Legends, Apex Legends, PLAYERUNKNOWN’s Battlegrounds, Overwatch 2, Counter-Strike 2, Battlefield V, Minecraft, ELDEN RING Shadow of the Erdtree, Rocket League, Baldur’s Gate 3, Dota 2, HELLDIVERS 2, Monster Hunter, Terraria, Rainbow Six Siege, Dragon’s Dogma 2, Black Myth Wukong, Marvel Rivals, more at Ultra settings, detailed 4K Ultra HD resolution, and smooth 60+ FPS gameplay.

ASIN: B0F214NJZT

Thermaltake LCGS Reactor u2890
SkyTech ST-LEGACY4-1788-B-AM