The price of reliable external drives that use SSDs has really fallen over the last year. You can read more about the drives digiK usually works with for client data backup and provision here. They’re all good brands with warranties provided for peace of mind. But if you’re keen to keep the cost down and want to make a portable SSD drive for your images, music, movies or other data files then it’s not difficult at all. A large drive can allow a number of recent jobs to be carried easily in case anyone needs access to data quickly while on the go.
Simply pop a PCIe NVME SSD into an enclosure and you’re good to go. A size like M.2 is thin and slim and there are plenty of enclosures that fit that form factor. Just make sure you get one with decent heat-dissipation qualities as they get hot in use! I’ve included some Amazon links for ease below. These are components I’ve tried and tested myself for making portable SSDs: