A German container ship called the Posen docked in Los Angeles on June 10th after a two-week voyage from Shanghai — and it may have been carrying a very significant cargo for PC gaming fans.

According to The Verge, import records show the vessel almost certainly delivered the first mass production shipments of the Steam Frame, Valve's new gaming headset. Valve watcher Brad Lynch flagged the records, which point to Valve's distribution company as the recipient of the 13-ton haul.

The sheer weight of the shipment signals that this isn't a trickle of developer units or review samples — 13 tons in a single day is the kind of volume associated with a product getting ready to land on shelves in meaningful quantities.

Valve has been unusually secretive about the Steam Frame ahead of its launch, and the company hasn't publicly announced a release date. But supply chains have a way of revealing what companies prefer to keep quiet: import records in the US are public documents, and hardware watchers have long used them to track shipments from manufacturers in Asia.

The Steam Frame would mark Valve's most ambitious hardware push in years, following the success of the Steam Deck handheld. A major VR headset from the company behind the world's dominant PC gaming platform could shake up a market still searching for its mainstream moment.