Do you have a question about the Cooler Master ATCS 840 and is the answer not in the manual?
Technical details of the ATCS 840 computer case.
Visual representation of the ATCS 840 case's views.
List of all included parts with quantities and item numbers.
Details of screws, cables, and accessories included.
Step-by-step instructions for removing the side panel.
Guides on installing the power supply unit into the case.
Steps for installing the motherboard and expansion cards.
Detailed guide on installing hard disk drives.
Instructions for installing optical drives and bay devices.
Guide for upgrading cooling by replacing fans or installing a radiator.
Instructions for removing the front 230mm fan.
Steps for installing fans for HDD racks.
Guide on removing dust filters for cleaning.
Steps for installing the optional external air duct.
Tips for organizing internal cables for airflow and aesthetics.
Final steps to ensure the build is complete and secure.
| Audio input | Yes |
|---|---|
| USB 2.0 ports quantity | 4 |
| Firewire (IEEE 1394) ports | 1 |
| Type | PC |
| Form factor | Full Tower |
| Product color | Silver |
| Supported motherboard form factors | ATX, Micro ATX |
| Expansion slots | 7 |
| Ventilation fan(s) | 3 x 230 x 30 mm, 1 x 120 x 25 mm |
| External drive bays | 6 x 5.25\ |
| Internal drive bays | 6 x 3.5\ |
| Depth | 630 mm |
|---|---|
| Width | 243 mm |
| Height | 580 mm |
| Weight | 13250 g |











