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Item#: N82E16811233070

GIGABYTE Sumo Alpha GZ-SU11BA-CTB Black ABS / Steel Mesh / SECC ATX Mid Tower Computer Case

  • ABS / Steel Mesh / SECC ATX Mid Tower
  • 2 x USB3.0 / 1 x HD-AC97 Audio Set Front Ports
  • 3 External 5.25" Drive Bays
  • 4 Internal 3.5" Drive Bays
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GIGABYTE proudly presents the latest high-end chassis—Sumo Alpha. Consumers at this segment fall nothing short of making comprehensive demands. Sumo Alpha takes all the expectations and realizes them in the form of futuristic panel design, user friendly architecture, the latest USB 3.0 and a great thermal solution. Sumoα features superb cooling solutions two pre installed120mm fans and can include up to four 140mm cooling fans to ensure the stability when you work. The I/O port, Audio/Mic, LED panel light switch and two USB 3.0 ports all located on the top of the case for a hassle-free plug-and-play experience. The all black interior can accommodate up to 30 cm high-end graphic cards and users can remove the ODD covers from the front for easy installations.
  • Support one 14/12 cm cooling fan at the bottom for future upgradability.
  • Tool-less ODD installation, Easy installation of HDD.
  • Cable managed & tool-free installation, steel mesh side panel window.

  • Sparkling lighting effects, adorable blue strike and streamline coating.
  • Easy disassemble of front panel.
  • Blue color shift LED shows on the front top and both side in fierce looks.

  • Front air intake with steel mesh design.
  • Blue LED back light; manage the LED light easily with the on/off switch.


Learn more about the GIGABYTE GZ-SU11BA-CTB


Sumo a


ATX Mid Tower
Case Material
ABS / Steel Mesh / SECC
With Power Supply
Power Supply Mounted
Motherboard Compatibility
Micro ATX / ATX
With Side Panel Window
Ventilated mesh


External 5.25" Drive Bays
External 3.5" Drive Bays
Internal 3.5" Drive Bays
Expansion Slots

Front Ports

Front Ports
2 x USB3.0 / 1 x HD-AC97 Audio Set

Cooling System

120mm Fans
1 x 120mm Silent Front Fan
1 x 120mm Silent Rear Fan
Side Air duct

Physical Spec

19.69" x 8.07" x 20.55"
14.55 lbs.


Modern minimalism ID design

Front air intake with steel mesh design

Easy accessTop Multi-media I/O

Easy disassemble of front panel

Solid modularized SECC housing

Steel mesh side panel window

RoHS ready

Cable Management in the case is behind the M/B tray

Tool-less installation for CD-ROM cover / CD-ROM drives / Graphics card / HDD drives

Dust filter is bottom of the case

Top of the I/O device easy to plug

Glossy panel design

Blue LED back light

Light bottom control front panel blue led

Electroplated grill

Wire Clamp x 6 pcs
Buzzer x 1 pcs
FAN securing screw x 4 pcs
Copper stand off x 9 pcs
Securing runner x 8 pcs
2.5" HDD securing screw x 4 pcs
ODD securing screw x 10 pcs
PSU securing screw x 4 pcs
M/B securing screw x 9 pcs

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the GIGABYTE GZ-SU11BA-CTB

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  • Rebecca M.
  • 5/27/2013 6:53:44 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsAwesome

Pros: It is a great model, has mice ventilation, has plenty of room for a new video-card and a new CPU cooler. Also especially like the design, looks awesome at night.

Cons: None

Did you find this review helpful? Yes No

  • Patrick O.
  • 4/24/2013 12:54:03 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsMini-mid Alpha

Pros: Look's really nice. I've installed blue LED's + fans to make it look phenomenal. There's a switch in the front to turn the front LED's on and off.
2 USB3 ports are also present in the front, along with an aux + mic input.
Easy to organize everything, and it's easy to instal disc-drives with the clamps added inside the case.
2 fan's included, on in the front at the bottom, and one in the back.

Cons: The side panel "window" is actually not a solid + transparent window. It's grated (bunch of holes) that make's it seem to look transparent in pictures. You can't mount a 200mm fan, either. It's just a giant hole.
The plates that come off to provide openings for PCI slots just come off, and can't be reused to cover openings you may not use anymore.
The mid tower is more of a... well, slight step down in terms of size. I had a little trouble installing fans along with a liquid cooling system for my CPU (h50 on an intel). However, after moving stuff, organizing, and even doing some modding with fan mounting, i managed to fit everything tight and snug.

Other Thoughts: Overall, the size is just perfect if you plan on keeping it simple. Just to give an idea; my build consists of a gigabyte ud3h mobo intel, corsair H50, gtx 660 windforce, an SSD, HDD, and 6 fans (2 top, 1 bottom of front, 1 top of front, 1 in the back, and 1 inside between the GPU and HDD.)
Everything fit perfectly just barley.
If you plan on bigger things like full out liquid cooling setups, you may have trouble finding room.

Did you find this review helpful? Yes No

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Item#: N82E16811233070
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