TEAMGROUP MP44S High Performance SSD 2TB SLC Cache Gen 4x4 M.2 2230 PCIe 4.0 NVMe, Compatible with Steam Deck, ASUS ROG Ally, Mini PCs (R/W Speed up to 5,000/3,500MB/s) TM5FF3002T0C101 : Amazon.ca:
Seagate Game Drive M.2 1TB Internal SSD PCIe Gen 4 x4 NVMe with Heatsink for PS5 ZP1000GP3A4001 - Best Buy
PCI Express Gen 3 Carrier Board for 4 M.2 PCIe SSD (B series) (requires bifurcation support from motherboard) | Amfeltec Corporation
Amfeltec Squid PCI Express Gen 3 Carrier Board for 4x M.2 SSD NVME x16 PCIe | eBay
Samsung 980 PRO MZ-V8P500B/AM 500 GB Sol MZ-V8P500B/AM PC-Canada