MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP 1875 MHz Ampere Architecture OC Graphics Card (RTX 3090 Suprim X 24G)
Bottom line: The MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP 1875 MHz ($2,799.00 on Amazon as of 2026-10-30 20:20 UTC): 24GB GDDR6X handles 30B-class local LLMs and 8K video timelines without VRAM swapping; main trade-off: ampere generation, so no DLSS Frame Generation available on RTX 40/50 cards.
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*Price sourced from Amazon.com. Last updated 2026-10-30. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 24GB GDDR6X handles 30B-class local LLMs and 8K video timelines without VRAM swapping
- ✓ 384-bit memory interface, the widest bus on the Ampere consumer stack
- ✓ HDMI 2.1 output drives 4K high-refresh and 8K (7680x4320) displays natively
- ✓ 1875 MHz factory OC clock on MSI's top-tier Suprim X cooler and power stage
- ✓ Three DisplayPort 1.4a outputs support a four-display setup alongside HDMI
Cons
- ✗ Ampere generation, so no DLSS Frame Generation available on RTX 40/50 cards
- ✗ GDDR6X memory runs hot; expect elevated VRAM temps in cramped cases
- ✗ Suprim X is a 3-slot, high-mass card that blocks adjacent PCIe slots
- ✗ No mention of an included power adapter or PSU wattage guidance in the listing
Manufacturer description
Chipset: NVIDIA GeForce RTX 3090 Video Memory: 24GB GDDR6X Memory Interface: 384-bit
SpecPicks Verdict
SpecPicks scored MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP 1875 MHz… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. MSI's graphics cards 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 graphics cards 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
THE GREATEST GRAPHICS CARD EVER MADE! | MSI RTX 3090 Suprim X Unboxing And Overview — The Tech Tank on YouTube
Key Features
- Chipset: NVIDIA GeForce RTX 3090
- Video Memory: 24GB GDDR6X
- Memory Interface: 384-bit
- Output: DisplayPort x 3 (v1.4a) / HDMI 2.1 x 1
- Digital maximum resolution - 7680 x 4320
Full Specifications
| Brand | msi |
|---|---|
| Model | GeForce RTX 3090 SUPRIM X 24G |
| Warranty | 3 Years |
| UnitCount | 1 |
| ReleaseDate | 2020-12-31T00:00:01Z |
| Manufacturer | MSI |
| ItemPartNumber | 3090 SUPRIM X 24G |
Performance Data
View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 3090 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.
Which local LLMs fit in 24 GB?
24 GB holds a 30–35B model at Q4 entirely in VRAM — the step where 27B-class models stop spilling to 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 7 community runs from 5 sources, the NVIDIA GeForce RTX 3090 generates a median 95.7 tok/s on 7–9B models at Q4 (per LocalScore (Mozilla Builders)).
Benchmark data for other graphics cards
Ready to buy?
MSI Gaming GeForce RTX 3090 24GB GDRR6X 384-Bit HDMI/DP 1875 MHz Ampere Architecture OC Graphics Card (RTX 3090 Suprim X 24G) 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 2026-10-30. Price and availability subject to change.
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