Predator GM7000 M.2 up to 2TB storage and 7400 MB/s read speed
Acronis True Image for Acer SSD Backup and Cloning
Amazon.com: SABRENT Rocket Q4 2230 NVMe 4.0 2TB High Performance PCIe 4.0 M.2 2230 SSD Compatible with Steam Deck, ASUS ROG Ally, Mini PCs [SB-213Q-2TB] : Electronics
Sabrent 2TB migration issues via usb 3.1 NVME enclosure (laptop with only one main OS SSD pcie bay) : r/acronis
Free Acronis Version for Backup and Cloning
Kingston NV1 NVMe PCIe SSD 1TB Review — Squeezing Out Just A Bit More Value – Pokde.Net
Amazon.com: Western Digital 1TB WD Blue SN580 NVMe Internal Solid State Drive SSD - Gen4 x4 PCIe 16Gb/s, M.2 2280, Up to 4,150 MB/s - WDS100T3B0E : Electronics