789 products

Computer Components & Parts

in Computers/Tablets & Networking

BuyMap's catalog is a curated selection to help you discover products. Don't see what you're looking for? Search all of eBay on BuyMap →

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BuyMap brings together eBay listings for PC components so you can compare prices in one place, across graphics cards, processors, motherboards, memory, and more. Brands in the catalog include ASUS, GIGABYTE, MSI, EVGA, AMD, and NVIDIA.

With components, compatibility and condition matter as much as price. A processor has to match your motherboard's socket, memory has to match the supported type, and a used part's value depends on whether it's been tested and how hard it's been run. Click any card to open a part's product page and compare listings by total price including shipping and condition, with filters for listing age and Best Offer to help you spot a good deal faster.

Filter the catalog by chipset or memory type to find what you're after, or use the main search on the home page to look up any part across all of eBay.

FAQ

Frequently asked questions

Check the key spec for that part type. A processor has to match your motherboard's CPU socket, RAM has to match the supported type (such as DDR4 or DDR5) and form factor, and a graphics card needs a compatible slot, enough power, and room in the case. The item specifics usually list the socket, chipset, or memory type.

It can be, with care. Parts like CPUs, RAM, and motherboards are generally reliable used, while parts that work hard, such as heavily-used graphics cards, carry more risk. Look for sellers who note the part was tested and pulled from a working system, and favor strong feedback.

Retail parts come in full packaging with accessories and the maker's warranty, while OEM parts are sold bare, often without a box, accessories, or the same warranty. OEM parts are usually cheaper, so check what's included before buying.

They can be, with eyes open. Cards used for mining ran constantly, but many miners undervolted them and kept them at steady temperatures, so performance often holds up better than people expect. The bigger risks are worn fans, heat exposure, and usually no warranty, so the discount needs to be worth it. Look for a tested card, weigh the price against the risk, and lean on buyer protection.