I built this PC in the mid-2000's. It is running Windows XP SP3 OS (fresh install).
The case, PSU, CD/DVD-Rom, FDD, and HDD are together worth 3x the price for parts.
It plays Doom, Civilization, Master of Orion, and many other games (not included).
Intel Pentium 4 (2.80ghz) multi-core Processor
1GB DDR400 RAM
149GB Samsung SP1614N HDD
NVidia GeForce4 MX4000 128mb 64-bit Graphics Card
Ativa LH-1H18A CD/DVD±RW drive (48x CD, 16x DVD)
3.5” Floppy Disk Drive
ASRock P4S55FX motherboard w/ USB, PS/2, parallel printer, and serial mouse ports; audio jacks & 100 Mbps Ethernet jack.
ATX-size desktop case, built-in carrying handle, 4 x 5.25" bays, 2 x 3.5" bays
430W power supply unit
Ethernet cable
Spare parts packet for case
Windows XP CD-ROM
Windows XP SP2 update CD-ROM
NVidia XFX graphics card drivers CD-ROM
ASRock motherboard drivers CD-ROM
Firefox 42.0 browser & Avast Free Antivirus
Runs well. The case has scratches and other small signs of wear.