My experience cutting down a 1TB, SK Hynix BC711M280S, down to 2230, works perfect! I am sharing because it may help someone else. It took me a LONG time of searching to
SK Hynix BC711 NVMe 256GB Internal Solid State Drive SSD Tested – St. John's Institute (Hua Ming)
Can confirm that SK Hynix BC711 SSDs work with the Steam Deck! : r/SteamDeck
Amazon.com: SK hynix BC711 128GB PCIe NVMe M.2 2230 Gen 3 x 4 SSD, 0X3K2X, HFM128GD3GX013N, OEM Package : Electronics
SK Hynix BC711 512GB PCIe NVMe M.2 2280 (HFM512GD3JX013N) Internal Sol – Samazon
NEW PULL* SK HYNIX BC711 512GB M.2 2280 PCIe NVMe SSD Part #:HFM512GD3JX013N BC | eBay
SSD SK Hynix 512GB M.2 2280 NVMe BC711 P/N: HFM512GD3JX013N
SK Hynix BC711 HFM512GD3JX016N SSD Benchmarks - NotebookCheck.net Tech
Solid State Drives - SK HYNIX BC711 1TB PCIe NVMe M.2 2230 30mm SSD Internal SSD was sold for R748.00 on 12 Jul at 23:46 by justbidddd in Johannesburg (ID:590528288)