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Dell Precision T3660 Workstation Desktop (2022) | Core i9-13900K - 2TB HDD + 1TB SSD Hard Drive - 64GB RAM - Nvidia GeForce RTX 4090 | 24 cores @ 5.8 GHz - 24GB GDDR6X Win 11 Home Black (Renewed)
Amazon Renewed

Amazon Renewed Dell Precision T3660 Workstation Desktop (2022)

Bottom line: The Amazon Renewed Core i9-13900K / RTX 4090 prebuilt ($8298.40 on Amazon as of 2026-10-07) has GeForce RTX 4090 graphics, 64GB of RAM and a 2TB SSD.

$8298.40

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Buy on Amazon — $8298.40 Also on eBay → Compare to similar workstations & creator desktops

By , Founder & Editor-in-Chief · Listing data updated

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.

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Pairs a Core i9-13900K processor with GeForce RTX 4090 graphics
  • ✓ 64GB of 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

Dell Precision T3660 Workstation Desktop (2022) | Core i9-13900K - 2TB HDD + 1TB SSD Hard Drive - 64GB RAM - Nvidia GeForce RTX 4090 | 24 cores @ 5.8 GHz - 24GB GDDR6X Win 11 Home Black (Renewed)

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SpecPicks Verdict

SpecPicks scored Amazon Renewed Dell Precision T3660 Workstation Desktop using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the workstations & creator desktops category. Amazon Renewed's workstations & creator desktops 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 workstations & creator desktops 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.

Full Specifications

BrandDell
RAM TypeDDR SDRAM
CPU ModelCore i9
CPU Speed5.8 GHz
Model NumberPrecision T3660 Desktop
Item Dimensions16.54 x 6.81 x 14.53 inches
Processor BrandIntel
Processor Count24
Processor Speed5.8 GHz
CPU ManufacturerIntel
Processor SeriesCore i9
Hard Disk InterfaceSerial ATA
Item dimensions L x W x H16.54 x 6.81 x 14.53 inches
Full listing titleDell Precision T3660 Workstation Desktop (2022) | Core i9-13900K - 2TB HDD + 1TB SSD Hard Drive - 64GB RAM - Nvidia GeForce RTX 4090 | 24 cores @ 5.8 GHz - 24GB GDDR6X Win 11 Home Black (Renewed)

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA GeForce RTX 4090 — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Related benchmarks: Intel Core i9-13900K benchmarks

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 11 community runs from 10 sources, the NVIDIA GeForce RTX 4090 generates a median 127.7 tok/s on 7–9B models at Q4 (per DatabaseMart).

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

Ready to buy?

Dell Precision T3660 Workstation Desktop (2022) | Core i9-13900K - 2TB HDD + 1TB SSD Hard Drive - 64GB RAM - Nvidia GeForce RTX 4090 | 24 cores @ 5.8 GHz - 24GB GDDR6X Win 11 Home Black (Renewed) 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.

Buy on Amazon — $8298.40

*Price sourced from Amazon.com. Last updated 2026-10-07. Price and availability subject to change.

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Dell Precision T3660 Workstation Desktop (2022) | Core i9-13900K - 2TB HDD + 1TB SSD Hard Drive - 64GB RAM - Nvidia GeForce RTX 4090 | 24 cores @ 5.8 GHz - 24GB GDDR6X Win 11 Home Black (Renewed)
$8298.40
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