CoolerMaster SIL-452-KKN1 Silencio 452 Mid Tower Case



  • The matte front door and side panels are equipped with noise absorbing materials for extreme silence
  • Two pre-installed 120mm fans in the front and rear for optimized airflow
  • Liquid cooling ready for professionals and enthusiasts - supports 240mm radiators in the front or 120mm radiators in the rear
  • Dual Super Speed USB 3.0 & SD card reader
  • Supports CPU coolers up to 158mm / 6.2 inch tall and high-end graphics cards up to 386mm /15.2 inch long
  • Great expandability with the support of up to 6 HDDs and 2 SSDs
  • Multiple dust filters (front, bottom) for improved system maintenance


  • Supports high-end VGAs up to 386mm/15.2 long and a CPU cooler up to 158mm / 6.2 tall
  • Dual SuperSpeed USB 3.0; SD card reader x 1
  • Sound-damping foam mats on the side panels
  • Removable dust filter behind the sound-proofing front door
  • Removable dust filter at the bottom
  • Supports up to 2 SSDs with the 1st HDD cage removed
  • Supports 240mm radiators in the front


  • Front: 120/140mm fan x 2 (one 120mm fan installed, 800 RPM, 15 dBA)
  • Rear: 120mm fan x 1 (installed, 800 RPM, 15 dBA), or 80/90mm fan x 1 (optional)





Available Color

Midnight Black


Polymer, Steel

Dimensions (W x H x D)

190 x 449 x 497mm / 7.5 x 17.7 x 19.6 inch

Net Weight

6.14 kg / 13.5 lbs

M/B Type

ATX, microATX

5.25" Drive Bays

2 (exposed)

3.5" Drive Bays

6 (hidden)

2.5" Drive Bays

2 (hidden)

I/O Panel

USB 3.0 x 2, USB 2.0 x 1, SD card reader (Class 10) x 1, Audio x 1, Mic x 1

Expansion Slots


Air Cooling System

Front:120/140mm fan x 2 (one 120mm fan installed, 800 RPM, 15 dBA)

Rear: 120mm fan x 1 (installed, 800 RPM, 15 dBA) or 80/90mm fan x 1 (optional)

Liquid Cooling System

Front: 240mm radiator x 1 (optional)

Rear: 120mm radiator x 1 (optional)

Power Supply Type

Standard ATX PS2

Maximum Compatibility

VGA card length:

282mm / 11.1 inch (with HDD cage);

386mm / 15.2 inch (without HDD cage)

CPU cooler height: 158mm / 6.2 inch

No additional files, specification sheets, guides or documentation found for product.

Warranty: 12 Month Return To Base

Full manufacturers warranty details are available at the manufacturers (CoolerMaster) web site.

Unless otherwise specified Techbuy is normally your first point of contact for warranty related returns, further information regarding our warranty policies and consumer guarantees is available on our policies and service & support pages.

To apply for return of a product just go to our returns page.

These terms are in addition to and do not affect any terms, conditions, guarantees and warranties implied by law.

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