These systems are original because they are the first in the Sun workstation line to include various standard PC compatible hardware components such as ATA hard drives with CMD640 PCI EIDE controller and an ATI R PRO video chip.

The Ultra 5 in a "pizza box" style with a 270, 333, 360 or 400 MHz UltraSPARC IIi CPU and supports up to 512 MB buffered EDO ECC RAM in four 50ns 168-pin DIMM slots. It included a single 4 to 20 GB EIDE hard drive, a CD-ROM drive, three 32-bit 33 MHz PCI slots (two full-size, one short), PGX24 graphics (HD15), a parallel printer port (DB25), two serial ports (DB25 and DE9), an Ethernet port (10BASE-T/100BASE-TX) and 3.5mm jacks for headphones, line-in, line-out and microphone.

The Ultra 10 came in a mid-tower chassis with a 300, 333, 360 or 440 MHz 64-bit UltraSPARC CPU. It doubled the supported RAM to a maximum of 1024 MB in four DIMM slots and ATA hard drive, a fourth PCI card and a UPA graphics card the Creator, Creator3D or Elite3D.