XIDAX Prebuilt Gaming PC, Core Ultra 9 285K, RTX 5090, 64GB DDR5, 2TB SSD
Bottom line: The XIDAX Core Ultra 9 285K / RTX 5090 prebuilt ($8,799.00 on Amazon as of 2026-10-22 16:16 UTC) has GeForce RTX 5090 graphics, 64GB of DDR5 RAM and a 2TB SSD.
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*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Pairs a Core Ultra 9 285K processor with GeForce RTX 5090 graphics
- ✓ 64GB of DDR5 RAM leaves headroom for gaming alongside streaming or creative apps
Cons
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored XIDAX Prebuilt Gaming PC using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the processors category. XIDAX's processors 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 processors 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.
Key Features
- RTX 5090 32GB + CORE ULTRA 9 285K PREBUILT GAMING PC: a ready-to-play gaming computer built for high-refresh 4K gaming, streaming and creative work.
- DESIGNED & SUPPORTED IN UTAH: hand stress-tested, tuned and 24-hour burn-in tested by Xidax technicians before it ships.
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.
Related benchmarks: Intel Core Ultra 9 285K benchmarks
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).
Ready to buy?
XIDAX Prebuilt Gaming PC, Core Ultra 9 285K, RTX 5090, 64GB DDR5, 2TB SSD is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-22. Price and availability subject to change.
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