Make of It What You Will
MasterCase Pro 3
A Smaller Case With Lots of Space
Compact MasterCase with External and Internal Modularity
This new compact addition to the MasterCase line is built with the same FreeForm™ Modular System that defines the series. Customize and adjust your case via swappable aesthetics, adjustable layouts and intuitive thermal performance. Improved layout flexibility handles larger components and cooling systems within a discreet form factor.
For Micro-ATX Motherboards
A case meant for a smaller build that still packs a punch. Build the high performance PC you want in a tighter frame. Its streamlined design with steel and mesh makes this product incomparably stylish. It supports up to five fans, eight HDDs and two graphics cards.
Graphic Card SUPPORT
Removable hdd cage
Top/Front Cooling Brackets
Removable Partition Panel
Sliding Clip & Click Panel
Compact & Portable
Save space and easily transport your build with the MasterCase Pro 3. The reduced size and added top handles mean you don’t have to give your PC the awkward bear hug. Conveniently take your case to LAN parties, special events, and trade shows while still fitting the latest full-sized components.
Special Features
removable partition panel
Remove the Partition Panel to add space for an additional graphics card.
Sliding clip & click panel
Adjust the Sliding Clip & Click Panel for your needs: HDD cages, DIY cooling system, or remove it.
front cooling bracket
Remove the Front Cooling Bracket for convenient fan or radiator installation outside of the case.
Customize, Adjust and Upgrade
freedom inside and out
The FreeForm™ Modular System allows the MasterCase Pro 3 the same level of customization and upgradeability of the entire MasterCase series. Easily implement all of our MasterAccessories with room for your own customization options, such as DIY liquid cooling.
Build a PC that Fits Your Needs.
Modular Design Means Flexibility
With the MasterCase 3 Pro you have the freedom to build the Micro-ATX PC you want to at a manageable size. There is ample space for up to two full-sized graphics cards, six fans or liquid cooling radiators, and eight HDDs.


Model Number MCY-C3P1-KWNN
Dimensions (L x W x H) 467 x 235 x 505 mm
Net Weight 9.1 Kg / 20.1 lbs
M/B Type microATX, mini-ITX
Drive Bays 5.25" 0
3.5" 2
2.5" 2+2
I/O Port USB 3.0 x 2, Audio In & Out (supports HD Audio)
Expansion Slots 5
Cooling Support Front 140 x 25mm fan x 1, 1200RPM (pre-Installed)
140 x 25mm fan x 1 (optional)
Rear 140 x 25mm fan x 1, 1200RPM (pre-Installed)
120mm fan x 1 (optional)
Top 120 / 140mm x 2 (optional)
Radiator Support Rear 120mm, 140mm
Top 120mm, 140mm, 240mm
Power Supply Bottom Mount, ATX PS2 (maximum length: 200mm)
Compatibility (Maximum) 370mm / 14.57" (without 3.5" HDD cage)
258mm / 10.16" (with 3.5" HDD cage)
CPU cooler height: 190mm / 7.48"
EAN Code 4719512053300
UPC Code 884102029417
Awards & Reviews