The Sun Ultra 24 is objectively one of the most beautiful enterprise workstations ever created. I picked one up last year but its hardware is rather dated and needs an upgrade to keep it as a daily driver. Let’s do it. Background The Sun Ultra 24 was one of the last workstations from Sun Microsystems. In their final years of making workstations they started offering x86-based systems with AMD Opteron or Intel Core 2 64-bit CPUs.