Three Cray supercomputers from the 1990s are up for sale at auction.

As reported by Tom’s Hardware and others, RWB Auctions Limited is listing three Cray supercomputers for auction with the Saleroom.

– RWB Auctions Limited

RWB said the supercomputers come from Dan Goldsmith, “a self-confessed IT nerd.”

According to a post on Cray History, Goldsmith stored the systems at the offices of his IT workstation company, Amari Ltd., in Watford, where he would occasionally allow visitors.