You just bought your Hewlett Packard 9000 computer from Twin Cities Digital. Now you need workstations to go along with your new purchase. Buy used HP workstations from Twin Cities Digital. Our A4995A model workstation comes with 512 MB SDRAM memory kit for B/C/J workstations. All of our models come with a 90-day warranty. And you’ll get it fast; we offer same day shipping in most cases. We’ll keep your business humming along with used HP.