Steam Deck Prototypes
“Engineering Sample 34” Sold On Ebay
Listing Details:
- Link (Most likely redirects to different Steam Deck listing): https://www.ebay.com/itm/277015390664
- Title: Early Valve Engineering 34 Prototype Steam Deck 256GB, Tested, Please Read!
- Seller: Storm_City_Retro
- Location: Kirkland, Washington, United States
- Returns: Seller does not accept returns.
- Asking Price: $3,000
- Sold At (Best Offer, Not Auction): $2,000
- Buyer: Unknown
- Description:
- Valve engineering prototype number 34 steamdeck unit.
- This appears to be a fairly early revision as it still has the circular touchpads and a right joystick versus an analog stick, this does not have any OS installed on it. It does howerever, have an installed 256GB NvME SSD.
- The left touchpad is loose. That’s how I got it. It looks like the two wires to run the viration feedback have been disconnected.
- It only boot to bios no further testing done.
- for futer questions, please reach out. I will answer the best I can thank you.
- Due to the items rarity it will be shipped fully insured with signature required. Thank you.

Additional Details

Source: https://www.steamdeck.com/en/press

Source: https://x.com/Plagman2/status/1569404939864264704
https://github.com/user-attachments/assets/8b3be78b-9893-4016-9451-8868e35487a8
Source: https://x.com/Plagman2/status/1569445637799956480