The Sparc2k was a beast. I got on in 1998 that (among other tasks) ran the IRC bot for our channel with a 4gb text quotes database to chain off of. ("Shut up, lucy"). It usually ran at a load average of 4 to 12 per CPU. I had just over 1TB of disk array on it; in 4 dozen, full height, 5 inch 23GB SCSI drives.

I sank about $10k into that system in ebay parts. at the time there just wasn't any way to get such bandwidth out of x86, but used gear was cheap. if you could afford the time, sweat and blood to keep it running.