Skytech Gaming

Skytech Gaming PC Legacy 4, Ryzen 7, RTX 5090, 64GB RAM, 2TB SSD

Name: Skytech Gaming PC Legacy 4, Ryzen 7, RTX 5090, 64GB RAM, 2TB SSD
Brand: Skytech Gaming
SKU: B0DZZTFD4C

Status: Skytech Gaming PC Legacy 4 (RTX 5090 gaming PC): Unavailable on Amazon as of 2026-10-30 22:16 UTC. Lowest-priced in-stock match (same RTX 5090 gaming PC): Mantis V2 Non-RGB RTX 5090 32GB, $10,549.99 on Amazon as of 2026-10-30 22:14 UTC (price may vary). eBay sellers may still list this model new or used.

What to buy instead: the Mantis V2 Non-RGB RTX 5090 32GB at $10,549.99 on Amazon as of 2026-10-30 22:14 UTC (price may vary). It has the same RTX 5090 gaming PC as this listing and is the lowest of the 3 same-spec offers priced in the last 24 hours.

View Current Price — $10,549.99 🛒 Search eBay for this model

Bottom line: The Skytech Gaming PC Legacy 4 is a specs-and-price decision rather than a crowd-consensus one in the prebuilt gaming pcs category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-30 22:16 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same RTX 5090 gaming PC: Mantis V2 Non-RGB RTX 5090 32GB — $10,549.99 on Amazon as of 2026-10-30 22:14 UTC (price may vary).

View Current Price — $10,549.99

Same RTX 5090 gaming PC: Panorama RTX 5090 — $10,699.99 on Amazon as of 2026-10-30 16:15 UTC (price may vary).

View Current Price — $10,699.99

Same RTX 5090 gaming PC: Panorama XL RTX 5090 — $10,799.99 on Amazon as of 2026-10-30 16:16 UTC (price may vary).

View Current Price — $10,799.99

Original listing (currently unavailable) → Compare to similar prebuilt gaming pcs

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-30

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Backed by Skytech Gaming's warranty and support channels

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

AMD Ryzen 7 9800X3D 4.7GHz (5.2GHz Turbo Boost) CPU Processor | 2TB Gen4 NVMe M.2 SSD – Up to 30x Faster Than Traditional HDD 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

SpecPicks Verdict

SpecPicks scored Skytech Gaming PC Legacy 4 using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the prebuilt gaming pcs category. Skytech Gaming's prebuilt gaming pcs lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for prebuilt gaming pcs of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Video review

Is THIS the BEST Gaming PC Overall? - Skytech Legacy 4 Review - 9950X3D + 5090 — Just!N Tech on YouTube

Key Features

AMD Ryzen 7 9800X3D 4.7GHz (5.2GHz Turbo Boost) CPU Processor | 2TB Gen4 NVMe M.2 SSD – Up to 30x Faster Than Traditional HDD
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.

Full Specifications

Brand	Skytech Gaming
Color	Black
Model	ST-LEGACY4-1756-B-AM
Warranty	1 Year Labor + Parts \| Lifetime Technical Support
UnitCount	1
ReleaseDate	2025-03-10T00:00:01Z
Manufacturer	Skytech Gaming
ItemPartNumber	ST-LEGACY4-1756-B-AM

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 5090 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Which local LLMs fit in 32 GB?

32 GB holds a 30–35B model at Q4 with a long context window; a 70B model runs only with layers resident in system RAM.

✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
✅ 20–27B models (Gemma 3 27B, Mistral Small) — fits at Q4
✅ 30–35B models (Qwen 3 32B, QwQ 32B) — fits at Q4
❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+

Across 6 community runs from 4 sources, the NVIDIA GeForce RTX 5090 generates a median 185.9 tok/s on 7–9B models at Q4 (per Hardware Corner).

Per-model VRAM guide: which GPU for which LLM →

Hardware benchmark data

Ready to buy?

Amazon shows no buyable offer for Skytech Gaming PC Legacy 4 at the last check. The closest in-stock match with the same RTX 5090 gaming PC is Mantis V2 Non-RGB RTX 5090 32GB. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $10,549.99