Sapphire

Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900 XT Special Edition PCIe 4.0 Gaming Graphics Card with 16GB GDDR6

Name: Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900 XT Special Edition PCIe 4.0 Gaming Graphics Card with 16GB GDDR6
Brand: Sapphire
SKU: B094DYSQQL

Status: Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900… (RX 6900 XT 16GB graphics card): Unavailable on Amazon as of 2026-10-20 22:16 UTC. SpecPicks has no in-stock RX 6900 XT 16GB graphics card on file; an Amazon search for "RX 6900 XT 16GB graphics card" lists current offers with the same specs. eBay sellers may still list this model new or used.

Search Amazon for a RX 6900 XT 16GB graphics card → 🛒 Search eBay for this model

Bottom line: The Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900 XT Special Edition is a specs-and-price decision rather than a crowd-consensus one in the graphics cards 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 2026-10-20 22:16 UTC

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

Similar: Sapphire 11310-01-20G Pulse AMD Radeon RX 6600… — $482.25 on Amazon as of 2026-10-20 22:13 UTC (price may vary).

View Current Price — $482.25

Similar: ASROCK AMD Radeon RX 6600 Challenger D Dual Fan… — $582.29 on Amazon as of 2026-10-20 22:15 UTC (price may vary).

View Current Price — $582.29

Similar: GIGABYTE Radeon RX 9060 XT Gaming OC 16G… — $649.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $649.99

Original listing (currently unavailable) → Compare to similar graphics cards

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-20

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

✓ Boost Clock: Up to 2365 MHz
✓ Backed by Sapphire's warranty and support channels

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Sapphire NITRO+ AMD Radeon RX 6900 XT Special Edition PCIe 4.0 Gaming Graphics Card with 16GB GDDR6

SpecPicks Verdict

SpecPicks scored Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900 XT Special Edition… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the graphics cards category. Sapphire'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.

Key Features

Boost Clock: Up to 2365 MHz
Game Clock: Up to 2135 MHz
Memory Size/Bus: 16GB GDDR6
Memory Clock: 16 Gbps Effective
PCI-Express 4.0

Full Specifications

Brand	Sapphire
Weight	20g
Game Clock	Up to 2135 MHz
Model Name	RX 6900
Unit Count	1 Count
Boost Clock	Up to 2365 MHz
Memory Clock	16 Gbps Effective
Model Number	11308-03-20G
Built-In Media	manual
Number of Fans	3
Memory Size/Bus	16GB GDDR6
Mfr Part Number	11308-03-20G
Number of Items	1
Video Processor	AMD
Antenna Location	Gaming
Graphics Card Ram	16 GB
Graphics Ram Size	16 GB
Graphics Ram Type	GDDR6
Compatible Devices	Desktop
Memory Clock Speed	16 GHz

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the Radeon RX 6900 XT — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

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 9 community runs from 8 sources, the Radeon RX 6900 XT generates a median 88.5 tok/s on 7–9B models at Q4 (per LocalScore.ai).

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

Ready to buy?

Amazon shows no buyable offer for Sapphire 11308-03-20G Nitro+ AMD Radeon RX 6900… at the last check. A similar in-stock product is Sapphire 11310-01-20G Pulse AMD Radeon RX 6600…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $482.25