Upon reviewing the article "10 Best Places to Sell GPU for Cash for the Most Returns" from BuySellRam.com, here are the recommended platforms for selling your GPU:

1. ITAD Companies: Specializing in Information Technology Asset Disposition, these firms purchase and recycle hardware components, including GPUs. They offer instant quotes, often cover shipping costs, and ensure timely payments, providing a hassle-free selling experience.

2. eBay: A globally recognized online marketplace where you can list your GPU. While it offers access to a vast audience, be mindful of potential fees and the need to manage listings and shipments.

3. Facebook Mining Groups: Utilizing Facebook's specialized groups can connect you with enthusiasts interested in mining hardware, including GPUs. Engaging with these communities can lead to direct sales opportunities.

4. Reddit Hardware Swap and Reddit Mining Swap: These subreddit communities facilitate the buying and selling of hardware components. By providing detailed descriptions and images, you can engage with potential buyers directly.

5. Amazon: As a major e-commerce platform, Amazon allows individuals to sell used electronics, including GPUs. Listing your GPU here can expose it to a large customer base, though seller fees and competition should be considered.

When deciding where to sell your GPU, consider factors such as convenience, potential returns, associated fees, and the effort required. Each platform offers distinct advantages, so choose the one that aligns best with your preferences and needs.

From Where and How to Sell GPU.