Cooler Master ATCS 840
Category: Case
Manufacturer: Cooler Master
Form Factor: E-ATX,ATX,Micro-ATX,Mini-ITX
Max GPU: 400mm
Side Panel: None
Cooler Master ATCS 840
Form Factor
E-ATX,ATX,Micro-ATX,Mini-ITX
Max GPU
400mm
Side Panel
None
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Overview
The Cooler Master ATCS 840 is a ATX Full Tower with room for E-ATX, ATX, Micro-ATX, Mini-ITX motherboards. It includes 2 fans pre-installed and mounts up to 6. GPU clearance tops out at 400mm — room for full triple-fan flagship cards — with 170mm of air-cooler headroom. PlanMyPC's builder flags compatibility problems with the rest of your parts automatically.
Warranty coverage follows Cooler Master's standard policy — confirm regional terms on the listing. Every published spec is tabulated below, and compatibility against your current part list is checked automatically. If this PC case is not quite the right fit, the category page lists close alternatives at similar prices for a quick side-by-side comparison.
| Specification | Value |
|---|---|
| Fans | included: 2, maxTotal: 6 |
| Type | ATX Full Tower |
| Drive Bays | 2.5: 2, 3.5: 6 |
| Side Panel | None |
| Form Factor | E-ATX, ATX, Micro-ATX, Mini-ITX |
| Max GPU Length | 400 mm |
| Expansion Slots | 7 |
| Max Cooler Height | 170 mm |
| Psu Form Factor Support | ATX, SFX, SFX-L |
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