Guides
eGPU for AI: Adding Desktop CUDA Power to a Used Laptop (2026)
How to add desktop CUDA to a used laptop with a Thunderbolt eGPU: enclosure costs, used RTX 3090 value, bandwidth limits and which laptops support it.
How to Test the GPU in a Used Laptop Before Buying (15-Minute Protocol)
How to test the GPU in a used laptop before buying: verify the exact VRAM variant, run FurMark and HWiNFO, and spot throttling or VRAM faults in 15 minutes.
Fine-Tuning LLMs on a Used Laptop: What Your VRAM Actually Allows (2026)
LoRA and QLoRA fine-tuning on a used laptop: what fits in 6, 8 and 16 GB VRAM, realistic training times, and when renting a cloud GPU makes more sense.
Run a Local AI Coding Assistant on a Used Laptop: Copilot Without the Cloud (2026)
Run a local AI coding assistant on a used laptop: Ollama plus Continue in VS Code, the best models for each VRAM tier, and honest limits vs cloud tools.
How Much RAM Do You Need for Local LLMs? 16 vs 32 vs 64 GB Explained
How much RAM do local LLMs need? 16 vs 32 vs 64 GB compared: model sizes, GPU offloading, why dual-channel doubles CPU inference speed, upgrade costs.
Windows, WSL2 or Linux for Local AI on a Laptop: What Actually Matters (2026)
Windows, WSL2 or Linux for local AI on a laptop? Driver reality, CUDA and ROCm support, real performance differences and the setup that saves you pain.
Best Used Laptops for Stable Diffusion & Image Generation (2026)
The best used laptops for Stable Diffusion in 2026, ranked by real VRAM. SDXL and FLUX need 6–16 GB — here are the NVIDIA machines that deliver it.
CUDA vs ROCm on a Used Laptop: Why We Recommend NVIDIA for AI
CUDA vs ROCm on a used laptop: why we recommend NVIDIA for AI. How AMD and Intel GPU support really compares for Ollama, PyTorch and Stable Diffusion.
GGUF Quantization Explained (Q4 vs Q8 vs FP16): What Runs on a Laptop
GGUF quantization explained for laptops: how Q4, Q8 and FP16 trade model quality for VRAM and speed, and which quant actually fits 4, 6, 8 or 16 GB.
Best Used Laptops with a Dedicated GPU for Local LLMs (2026)
The best used laptops with a dedicated GPU for local LLMs in 2026, ranked by AI score. Real VRAM, used prices and what each one runs — from 4 GB to 16 GB.