MSI
MSI Aegis ZS2 Gaming Desktop PC
Bottom line: The MSI Ryzen 9 9900X / RTX 5080 prebuilt ($4,275.00 on Amazon as of 2026-10-22 10:14 UTC) has 16GB of graphics memory, 64GB of DDR5 RAM and a 4TB 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 Ryzen 9 9900X processor with GeForce RTX 5080 16GB 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
Manufacturer description
AMD Ryzen 9 9900X Processor (12-core) 64GB DDR5 6000MHz RAM, 2TB M.2 NVMe SSD NVIDIA GeForce RTX 5080 16GB Graphics Card
SpecPicks Verdict
SpecPicks scored MSI Aegis ZS2 Gaming Desktop PC using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the prebuilt gaming pcs category. MSI'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
I Didn’t Think This PC Would Be THIS Good! The AEGIS MSI Prebuilt Gaming PC. — Robeytech on YouTube
Key Features
- AMD Ryzen 9 9900X Processor (12-core)
- 64GB DDR5 6000MHz RAM, 2TB M.2 NVMe SSD
- NVIDIA GeForce RTX 5080 16GB Graphics Card
- Microsoft Windows 11 Home (64-bit)
- Wi-Fi 7 and Bluetooth 5.3, 360mm Liquid Cooling
Full Specifications
| Size | 64GB RAM I 4TB SSD |
|---|---|
| Brand | msi |
| Model | Aegis ZS2 |
| UnitCount | 1 |
| Manufacturer | MSI |
| Full listing title | MSI Aegis ZS2 Gaming Desktop PC, AMD Ryzen 9 9900X 12-Core, NVIDIA GeForce RTX 5080 16GB GDDR6, 64GB DDR5 RAM, 4TB SSD, Liquid Cooling, Gaming Mouse & Mechanical Keyboard, Wi-Fi 7, Windows 11 Home |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 5080 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Related benchmarks: AMD Ryzen 9 9900X benchmarks
Which local LLMs fit in 16 GB?
16 GB holds a 20–27B model at Q4 with a modest context window; 30B-class weights need 24 GB.
- ✅ 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) — needs 20 GB+
- ❌ 30–35B models (Qwen 3 32B, QwQ 32B) — needs 24 GB+
- ❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+
Across 5 community runs from 5 sources, the NVIDIA GeForce RTX 5080 generates a median 132 tok/s on 7–9B models at Q4 (per Hardware Corner).
Ready to buy?
MSI Aegis ZS2 Gaming Desktop PC, AMD Ryzen 9 9900X 12-Core, NVIDIA GeForce RTX 5080 16GB GDDR6, 64GB DDR5 RAM, 4TB SSD, Liquid Cooling, Gaming Mouse & Mechanical Keyboard, Wi-Fi 7, Windows 11 Home 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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