Notice Cooler Master Cosmos II Full Tower Chassis RC-1200-KKN1 has zero inventory and cannot be added to the cart

Cooler Master Cosmos II Full Tower Chassis RC-1200-KKN1

(£336.00 inc VAT)
Short description:
XL-ATX / EATX / ATX Case, no PSU.
Out of stock

The COSMOS II Ultra Tower features a streamlined design accentuated by a pair of distinctive handles like no other. The smooth, brushed aluminum touch of the side panels unlock and swing open like the doors of a luxurious race-car.

Dimensions W D H
344mm 664mm 704mm
Weight 22kg
Front Fan 200mm LED fan x 1, 700 RPM, 19 dBA(converted from 120/140mm x 1)
Rear Fan 140mm fan x 1, 1200 RPM, 19 dBA
Top Fan 120mm black fan x 1, 1200 RPM, 17 dBA
(200mm fan x 1 / 140mm fan x 2 / 120mm fan x 3)
HDD Fan Mid.HDD: 120x25mm fan x 1 (optional); Bottom HDD: 120mm fan x 2, 1200 RPM, 17 dBA
Side Fan 120mm fan x 2 (optional)
5"1/4 Bays 3 External
3"1/2 Bays - 2 x X-Dock with Keylock
5 x Mid Bay
6 x Bottom Bays
Support 3.5" or 2.5"
Motherboard Micro-ATX, ATX, E-ATX, XL-ATX, SSI CEB, SSI EEB
Power Suppply ATX, not included
Front Panel Aluminum, Mesh, Synthetics;
Chassis Steel-Alloy, Synthetics, Rubber
Side Window No
Expansion Slots 11
Max Graphics 385mm Maximum Length
Port Extensions USB USB 3.0 Audio eSATA
4 2 2 1
Hidden behind the front slide cover lies a stack of hot-swappable drive bays. The black interiors provide enough space for oversized XL-ATX System Boards equipped with 4 double width graphics accelerators. A second slide cover on top hides the Advanced Control Panel to manage up to 10 fans and their respective LED lights. The combination of its elegant looks, numerous expansion options and features make the COSMOS II a "Dream Case".


  • Stylish and streamlined race-car inspired design
  • Brushed aluminum and steel for strength and elegance
  • Airflow Optimized Design
  • Supports up to 10 fans and 13 HDDs (2 from X-dock)
  • Supports 4 Way SLI/CF
  • Supports XL-ATX / SSI CEB / SSI EEB boards
  • Advanced Control Panel includes 4 channel fan speed control
  • Rich I/O support: USB 3.0 x 2, USB 2.0 x 4, e-SATA x 1, Audio In and Out

Depth / Length:

New features

Cooler Master


Case Form Factor:
Graphics Card Support:
Case Window:
Solid Panels
Case Lighting:
Case Slim Optical Bay:
Case 5"1/4 Bays:
Case 3"1/2 Bays:
Case Dedicated 2"1/2 Bays:

Sorry, it seems that we have no shipping options available for selected location.