expensive https://www.anandtech.com/print/14180/pricing-of-intels-optane-dc-persistent-memory-modules-leaks Pricing of Intel’s Optane DC Persistent Memory Modules Leaks: From $6.57 Per GB

Amazon tape storage is 0.001 dollars per gb

their price model is weird, as they extort you on the read pricing, if you need the data quick

True

It is in a tape library or even not in the archives any more