Typically, yes, since they are meant to be more “modular” in nature and let you sync up 4-5. But I’m not familiar with all the varieties of commercial cards out there and didn’t want to dismiss the possibility of a longer one existing.
But I don’t know if any consumer card that is so big only one or two cases fit it. Sure, some of them are so big that you need a fairly large case, but for example the ASUS 5090 Astral is one of the larger 5090s, and is 358mm long. The Lian Li O11 Dynamic EVO RGB case can fit a GPU up to 455mm in length. The Lian Li Lancool 217 (a case on the medium to smaller side for full ATX) can fit up to 380mm in length. Tight, but not 1mm tight. The Fractal Design Meshify 2 (ATX case, not mini) can fit up to 445mm in length with the front fans in place.
Unless the comment poster is specifically looking for SFF cases, I don’t know what is causing the difficulty.
Although, clearance for GPU height is becoming more of an issue, so that might be what is referred to for the 1mm clearance. In that case, there are still options out there but it is much more difficult and some require vertical mounting.
Edit: changed OP to comment poster and added caveat
Typically, yes, since they are meant to be more “modular” in nature and let you sync up 4-5. But I’m not familiar with all the varieties of commercial cards out there and didn’t want to dismiss the possibility of a longer one existing.
But I don’t know if any consumer card that is so big only one or two cases fit it. Sure, some of them are so big that you need a fairly large case, but for example the ASUS 5090 Astral is one of the larger 5090s, and is 358mm long. The Lian Li O11 Dynamic EVO RGB case can fit a GPU up to 455mm in length. The Lian Li Lancool 217 (a case on the medium to smaller side for full ATX) can fit up to 380mm in length. Tight, but not 1mm tight. The Fractal Design Meshify 2 (ATX case, not mini) can fit up to 445mm in length with the front fans in place.
Unless the comment poster is specifically looking for SFF cases, I don’t know what is causing the difficulty.
Although, clearance for GPU height is becoming more of an issue, so that might be what is referred to for the 1mm clearance. In that case, there are still options out there but it is much more difficult and some require vertical mounting.
Edit: changed OP to comment poster and added caveat