FORM FACTOR: Ultra-slim Desktop
PROCESSOR: Intel P4 531 (3.0GHz) with 800MHz bus, 1MB L2 Cache & HT Tech
CACHE: 1-MB L2 Cache
STORAGE: 80-GB SATA 3.0-Gb/s Hard Drive (7200 rpm)
MEMORY: 512-MB DDR2 Synch Dram PC2-4200 (533-MHz) Non ECC up to 3-GB
OPTICAL STORAGE: DVD/CD-RW Combo
HARD DISK CONTROLLER: Serial ATA (support for SATA 1.5-Gb/s and
3.0-Gb/s hard drives)
GRAPHICS: Integrated Intel Graphics Media Accelerator 950
AUDIO CARDS: Intg High Definition audio w/ Realtek 2 channel ALC260 codec
ACCESSORY SLOTS OPTIONAL: 1 full-height (4.2"), length (6.6")
Integrated LAN Integrated Broadcom NetXtreme Gigabit ethernet for HP
MASS STORAGE SHELVES: 1 external MultiBay I (12 mm) &  1 internal 3.5" hard drive bay
BUILT IN I/O: Optional parallel & serial via I/O adapter,
2 PS/2 connectors for Keyboard & mouse, 1 analog for integrated graphics,
1 RJ-45, rear line in/line out, front headphone & mic,
2 front & 6 rear USB ports
DISPLAY: Monitor not included