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Black mid-tower gaming desktop with 360mm AIO liquid cooler and RGB memory visible through tempered glass side panel

Skytech

Skytech ST-LEGACY4-1805-B-AL gaming PC Ryzen 7 7800X3D RTX 5090 32GB 64GB DDR5 2TB NVMe

SKU CH-6XVT-ST2AC MPN ST-LEGACY4-1805-B-AL

Gaming desktop with a Ryzen 7 7800X3D, RTX 5090 32GB GDDR7, 64GB DDR5 6000, 2TB NVMe and 360mm liquid cooling

  • ProcessorAMD Ryzen 7 7000 Series
  • Graphics memory32 GB GDDR7
  • RAM capacity32 GB DDR5
  • SSD storage2 TB NVMe
  • ChipsetAMD X670
  • CPU modelAMD Ryzen 7 7800 × 3D

Configuration Antec P1 Performance Black/ 7800X3D / 5090 / 64G / 2T

  • Ryzen 7 7800X3D reaches 5.0 GHz turbo for high frame rates
  • RTX 5090 with 32 GB GDDR7 drives 4K and AI workloads
  • 64 GB DDR5 6000 memory handles multitasking and content creation
  • 2 TB Gen4 NVMe SSD loads games and projects quickly
  • 360 mm AIO liquid cooler keeps temperatures low under sustained load

High-performance desktop for gaming and creation

The Skytech Legacy ST-LEGACY4-1805-B-AL is a new gaming desktop PC built around an AMD Ryzen 7 7800X3D processor with a 4.2GHz base clock and 5.0GHz turbo boost, paired with an NVIDIA RTX 5090 graphics card carrying 32GB GDDR7 memory, 64GB DDR5 6000 RAM and a 2TB NVMe SSD.

Suitable for high-refresh 4K gaming

This system suits players who want maximum frame rates at 4K resolution and creators who need 32GB of video memory for rendering or AI tasks; it is not for buyers who need more than 2TB of fast storage or who require multiple graphics cards.

Graphics card with 32GB GDDR7 video memory

The single specification that decides fit is the RTX 5090 equipped with 32GB GDDR7, which determines whether the machine can hold the textures, models or datasets your workflow demands.

How it compares

Measured against everything we stock in Gaming PCs, at today’s prices. Recalculated every night.

Price $3,759.99
Pricier than about 73% of the 24,925 comparable items (median $2,694.99).
Graphics memory 32 GB GDDR7
Higher than about 91% of the 10,551 comparable items (median 16 GB).
RAM capacity 32 GB DDR5
Typical for this category: the median of 24,338 items is 32 GB.

New to this? Buying a gaming PC with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSkytech
Model nameSTT-LEGACY4-1805V2-C02-*-**
Product typeGaming & Entertainment
Year of release2025
Recommended useConsumer
Product colorBlack
Processor
ProcessorAMD Ryzen 7 7000 Series
CPU modelAMD Ryzen 7 7800 × 3D
CPUAMD Ryzen 7 7800 × 3D
CPU socketAM5
ChipsetAMD X670
Turbo clock speed5.0 GHz
Base clock speed4.2 GHz
Memory
RAM capacity32 GB DDR5
Memory size32 GB
RAM type and speedDDR5 6000
Storage
SSD storage2 TB NVMe
Storage drive2 TB
Hard driveNo
Graphics
Graphics memory32 GB GDDR7
GraphicsGeForce RTX 5090
VR readyYes
Power
Power supply1000 W
Size & build
Shipping weight23.59 kg
Package size660 × 610 × 381 mm
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Home
More details
AI capabilityAI Ready
Cooling methodLiquid Cooling

Other versions of this model

2 more in the same range

Questions about this item

How loud does the 360 mm AIO liquid cooler run when the Ryzen 7 7800X3D sustains its 5.0 GHz boost all day?

The 360 mm AIO liquid cooler is designed to keep the Ryzen 7 7800X3D within thermal limits during sustained 5.0 GHz boost operation, minimising fan noise while preventing thermal throttling.

Does the motherboard provide the 12VHPWR connector required by the RTX 5090 32 GB GDDR7, or must I supply an adapter?

The 1000 W power supply includes native 12VHPWR cabling for the RTX 5090 32 GB GDDR7, so no adapter is needed.

Can I keep using my current 1080p 60 Hz monitor with the single HDMI and single DisplayPort outputs on the RTX 5090?

Yes, the RTX 5090 provides one HDMI and one DisplayPort output, both compatible with a 1080p 60 Hz monitor.

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