- RSV-L4000 can carry internal 3.5" HDD x8/ 5.25" device x3 (which can switch to a 3.5" HDD x 4 module) totally.
- Best cooling design can carry up to front 120 mm cooling fan x5 and back 80 mm cooling fan x2 max; all 7 are included in RSV-L4000.
- Front door with key lock for better security.
- Special design of fixing PCI card in the system (7 pieces max).
- Dual USB 2.0 connector in front panel.
- Supports ATX power supply.