Drive Bays
2 × 3.5‑inch HDD bays, Support for many SSDs, e.g. 7 × 2.5" or 9 × 2.5" in some listings
Expansion Slots
4 slots
Internal I/O Ports
1 × USB 3.0 port, 1 (or sometimes 2) × USB 2.0 ports, HD audio jacks (headphone + microphone), RGB / ARGB control / LED switch (for lighting control) in some variants