'Like new' Ryzen 9 9900X3D Amazon order turns into a shocking CPU bait-and-switch scandal — shopper duped in outrageous Ryzen 9 3900X scam

Source: Tom’s Hardware

Image credit: u/Leviathon6425 on Reddit

Scam overview

Every week a new “bait‑and‑switch” story appears: a buyer orders one product and receives something completely different—sometimes nothing more than rocks or pasta. This incident follows the same pattern, but this time the victim ordered a CPU from Amazon Warehouse that was advertised as an open‑box “like new” Ryzen 9 9900X3D. What arrived was a completely different processor.

The CPU swap details

The processor’s shape raised the first red flag. Although the IHS (integrated heat spreader) was not fully visible, the squared‑off perimeter of the chip inside the box matches the AM4 family. An AM5 chip, such as the Ryzen 9 9900X3D, has a distinct notched frame that is visible even when the box is opened.

Reddit post: “Bought a used ‘Like new’ 9900x3d from Amazon, but think it’s been swapped” – r/pcmasterrace

Community members quickly identified the processor as a Ryzen 9 3900X based on the serial numbers printed on the chip. The 3900X is a former flagship that originally sold for $499 but now trades for roughly $150. By contrast, the intended Ryzen 9 9900X3D is currently priced at:

• $529.99 on Newegg –
• Amazon listing –

Why Amazon Warehouse is vulnerable

Incidents like this have become common on Amazon because of the retailer’s generous returns policy. The typical scheme works as follows:

1. A buyer receives a legitimate product.
2. The buyer (or a third party) replaces the contents with a lower‑value item.
3. The altered box is returned to Amazon.
4. Amazon re‑lists the item under its Warehouse label and sells it at a discount, often without inspecting the actual contents.

The second buyer ends up with a scam‑filled package, and Amazon has little financial incentive to investigate each case, as the cost of issuing double refunds is relatively low.

Recommendations

• Avoid open‑box/warehouse listings for high‑value components such as CPUs, GPUs, and other critical hardware.
• Purchase from brick‑and‑mortar stores (e.g., Micro Center) where you can inspect the product before leaving the store.
• If you prefer online shopping, consider reputable retailers that verify the contents of each sale, such as Newegg, which still offers decent deals on verified hardware.