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Item#: N82E16811163207

SilverStone Sugo Series SG05B-USB3.0 Black SECC / Plastic Mini-ITX Desktop Computer Case SFX 300W 80Plus Power Supply with 2 x USB3.0 ports (Black)

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  • Plastic front panel, 0.6mm SECC body Mini-ITX Desktop
  • USB 3.0 x 2, Audio x 1, MIC x 1 Front Ports
  • 300W Power Supply
  • 1 Internal 3.5" Drive Bays

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews



Designed for use with Mini-DTX and Mini-ITX motherboards, the SG05 is the smallest Sugo yet. Compared with previous iterations at around 23 liters in volume, the SG05 at 10.8 liters is less than half the size! However, in keeping with the spirit of its Sugo name, the case is capable of swallowing many standard components while keeping everything cooled. For the first time in a case of this size class, the SG05 is equipped with a low speed 120mm fan that is mounted to create positive air pressure, ensuring good balance of cooling and quietness. Other notable features include the ability to accept 10 inch long graphics card, room for thicker 2.5-inch hard drives such as Western Digital's VelociRaptor™, full-height for retail boxed CPU coolers, and an 80 PLUS certified SFX 300W power supply. For building a fast PC in the smallest possible form factor, the SG05 is without peers.


  • Ample space for CPU cooling (82mm in height)
  • Elevated standoff for motherboard back side components
  • Unprecedented 120mm fan in mini casing for positive pressure cooling
  • Support 2.5" and 3.5" hard drives
  • Mini-DTX / Mini-ITX motherboard & SFX PSU compatible
  • 80 Plus certified SFX 300W power supply included
  • Standard-length expansion cards support (10 inches)

SST-SG05B-USB3.0 Graphics Card Length Reference:

  • ATI Radeon HD 5670 - 6.7"
  • ATI Radeon HD 5750 - 8.15"
  • ATI Radeon HD 4850/4830/5770 - 9"
  • ATI Radeon HD 5850 - 9.5"(ST45SF PSU recommended)
  • NVIDIA GeForce GTX 680 - 10"
  • NVIDIA GeForce 9800GT - 9"
  • NVIDIA GeForce 9600GT/GSO - 9"
  • NVIDIA GeForce 8800GS/GT/GTS - 9"
  • NVIDIA GeForce GTS 250 - 9"
  • NVIDIA GeForce GTX 460 - 8.25" (ST45SF PSU recommended)


Model No. SST-SG05B (black)
SST-SG05W (white)
SST-SG05B - USB 3.0 (black)
SST-SG05W - USB 3.0 (white)
Material Plastic front panel, 0.6mm SECC body
Motherboard DTX, Mini-ITX
Multimedia --
Drive Bay External Slim optical x 1
Internal 3.5" x 1, 2.5"x 1
Cooling System Front 1 x 120mm intake fan 1200RPM
Rear --
Side Oversized vents
Top Oversized vents
Bottom --
Internal --
Expansion Slot 2
Front I/O Port USB 3.0 x 2 (SG05B - USB 3.0, SG05W - USB 3.0 only)
USB 2.0 x 2 (SG05B, SG05W only)
Audio x 1
MIC x 1
Power Supply SFX 300W with 80 PLUS certification (SilverStone tuned)
Operating System Support --
Expansion Card Standard size long cards capable (10")*, width restriction - 5.11"
Limitation of CPU Cooler 82mm
Limitation of PSU SFX
Net Weight 7.75lbs (3.52kg)
Dimensions (W x H x D) 222 x 176 x 276mm
600Cu.In. (10.8 liters)
Extra --
Support VESA Mount --
Power Supply Type
Max. DC Output
Load Range
+3.3V +5V +12V1 +12V2 +12V3 +12V4 +5VSB -12V -5V
Max. (Amps)
20A 22A 14A 16A / / 2.5A 0.5A /
Peak (Amps)
/ / 19A 19A / / 3A / /
Min. (Amps)
0.5A 0.5A 1A 1A / / 0A 0A /
Range (%)
±5% ±5% ±5% ±5% / / ±5% ±5% /
Ripple(mVp-p) 70mV 70mV 140mV 140mV / / 70mV 70mV /
Combined +3.3, +5V
Combined +12V
22A / 264W
Input Voltage
90 - 264V (Auto Range)
Input Frequency Range
47 - 63Hz
Active PFC (PF > 0.95 at full load)
Operating Temperature
50 - 122°F (0 - 50°C)
Over current protection, Over power protection, Over voltage protection, Short circuit.
1 x 24-pin motherboard connector (300mm)
  • 1 x 4-pin ATX12V connector (400mm)
  • 1 x 6-pin PCI-E connector (400mm)
  • 1 x triple SATA connector (300mm + 200mm + 100mm)
  • 1 x dual 4-pin IDE (300mm + 200mm)
  • 1 x single floppy power connectors (300mm + 200mm + 200mm)
Cooling System
Single 80mm fan
Noise Level
19dBA minimum
Dimension (W x H x D)
5 x 2.5 x 4 inches (125 x 63.5 x 100mm)
2lbs (940g)
Form Factor
GPU Support list
Haswell CPU support

Learn more about the Silverstone SST-SG05B-USB3.0

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Silverstone SST-SG05B-USB3.0

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  • William K.
  • 9/21/2014 2:29:09 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsSolid and nice size

Pros: Stock Intel cooler for 55W Celeron G1610 fit fine. Installed GIGABYTE GA-H77N-WIFI motherboard, and 2.5 inch SSD, but no optical drive -- there was plenty of room. I love the overall small footprint, which is much smaller than most Mini-ITX chassis...surprising that many are so bigger (especially deeper)...I buy Mini-ITX because I want small like this! Lots of vents, and large front fan included. I was being careful as warned by others with removing/installing plastic front, but you'd never even notice it was plastic when installed...feels very solid all around.

Cons: No feet, but also no vent on bottom so sitting flat doesn't block anything. If you need to open it frequently, be aware there are no thumbscrews and you'll need to deal with 5 screws on back and aligning tabs on three sides of cover when installing. Font fan has minor amount of noise and could be quieter. Some interference with wireless mouse in USB plug on front, but not uncommon issue with USB 3.0 ports. I used a short M-F USB extender to move the dongle a few inches from chassis and performance was much better.

Other Thoughts: Intended to sit wider than tall with front ports vertical on right side. Sitting on its edge (taller than wide with front ports on bottom edge), would block one set of vents, but still vents on front, top, side, and PS vent even in that config.

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  • Geoffrey F.
  • 3/14/2014 4:36:08 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsInitial Impressions... Dead on Arrival

Pros: Seemed like a good value.

Cons: Like Steve M. in another review here, my initial impression is that this case is dead on arrival. Can't get a the barest hint of power from the PSU. Trying alternative components, but so far no luck. Looks like I'll have to return mine as well. Huge inconvenience and disappointment after waiting for all the parts for my build and assembling it. Will have to rethink the Silverstone decision and reputation.

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  • Robert E.
  • 1/23/2014 11:25:57 AM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsNice metal box

Pros: Looks good
Good airflow
Plenty of room

Cons: Larger than I thought

Other Thoughts: I've had good experience with SilverStone power supplies so I gave this a try and I'm not disappointed. The PSU has enough juice for a small system and the airflow in the case is very good. The fans seem quiet to me. There is a lot of room inside and it is a bit larger (taller) than I had thought. Construction is of decent quality and it is an unobtrusive design. Overall, a nice case that was worth the money.

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  • Robert F.
  • 1/7/2014 4:31:48 PM
  • Ownership: more than 1 year

4 out of 5 eggsGood little case

Pros: Small form factor, comes with a PSU, good layout, good build quality.

Cons: ensure rear exhaust of GPU, long and tall GPUs will interfere with sata cables on drives.

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  • J S.
  • 11/8/2013 6:57:33 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

3 out of 5 eggsNice design badly executed

Pros: Well designed - good concept - good airflow - room for decent PCIE video card in an ITX box although 300w PSU might limit choices - esthetics good

Cons: slimline drive cage tolerance very poor - fastening drive to cage rendered DVD tray inoperable due to misalignment of stamped steel screw flanges. Design of cage required long screw drivers usually not available in phillips 0 size - driver extensions do not work because of clearances

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  • Steven M.
  • 9/17/2013 7:56:39 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

1 out of 5 eggsTwo units in a row with dead PSU

Pros: Looks like a great case. It was very easy to work with and get everything installed. Some of the screws are a little difficult to access, but that is to be expected in such a small case.

Cons: I ordered this case and it arrived with a dead PSU. I returned it and just received the replacement and it also has a dead PSU.

Manufacturer Response:

The PSU used in the SG05 has been in production for four years and has proven to be very reliable with very low failure rates. So the chances of having two defective PSUs is highly unlikely. Plase double check to make sure your system component works with other PSUs first and/or get in contact with us directly so we can help diagnose the problem for you. Below are our contact info:

1 out of 1 people found this review helpful. Did you? Yes No

  • WilliamW. P.
  • 6/7/2013 1:54:36 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice Design

Pros: Well designed, sturdy, and allows for a neat, clean install
Room for a double width full length video card.
USB3.0 up front. Superior cooling.
With the right Motherboard will provide a small compact system package suitable for 95% of users.

Cons: None

Other Thoughts: Would like to see an additional dual 2.5" HD tray added. Perhaps the motherboard and the case fan mounted to the bottom of the case.

Would also like to see ventilation holes punched in the fan side of the 3.5" HD tray to provide additional cooling to the HD.

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  • Anonymous
  • 3/12/2013 3:19:10 AM
  • Ownership: 1 week to 1 month

4 out of 5 eggsThe smallest Mini-ITX case with great cooling.

Pros: airflow/cooling

Cons: PSU fan noise

Other Thoughts: - The 80mm PSU fan is very noisy: 39.4 dB(A), 3400 RPM. A clearly audible hiss, an order of magnitude louder than anything else in the system. No idea why other reviewers rarely mention it (maybe because of all the dual- 80mm fan GPU cooling, quite popular recently?). Reportedly, has been successfully replaced by modders with Noiseblocker BlackSilent Pro PC-P.

- A modular power supply recommended. Otherwise, the only possible space to store all the extra cables without disabling the positive airflow is an (empty) topmost CD/DVD drive compartment (routing all the cabling through the top).

- The front anti-dust filter is garbage: plastic mesh, glued to a plastic frame over a ~2mm edge. Replaced with aluminum 0.5mm mesh on an aluminum frame, mounted through 120mm fan holes. The front panel locks-in properly despite the extra ~3mm thickness inside.

- Front-panel power and reset buttons feel el cheapo and flimsy: when pressing one even lightly, the other one wiggles.

- The bundled front 120mm fan is (at least initially) not worth replacing with Noctua 120mm PWM, because it gets completely drowned out in PSU fan noise anyway. Otherwise, working at half-speed (~700 RPM) through a 3-pin motherboard fan controller, it is about as quiet as the Noctua NF-A9x14 PWM CPU fan at high speed, thus about (?) 20 dB(A), without any whining noise.

- Right-angle SATA cables recommended if you plan to install a full-length, ~200mm GPU.

- If your motherboard HD Audio header is placed toward the back of the board (close to the I/O shield), you will need an HD Audio extension cable. Otherwise, the rather short front-panel cable has to be partially routed over the CPU intake and under the PSU intake.

- For motherboards with an ATX 24-pin main power connector right in the middle of the board (i.e. Asus P8H61-I), a right-angle ATX (24-pin) adapter (if you can find one!) would be very useful to clear the wiring an extra inch down, for a direct airflow corridor to the CPU/RAM area.

- The underside of the case has no markings for rubber feet placement, so prepare to design some kind of a cardboard offset frame to get this done (aesthetically) in a symmetric manner :).

- Other reviewers mention insanely bright front-panel LEDs. I find them just average brightness, so perhaps the newer USB 3.0 SG05 versions have been updated by the manufacturer.

- With careful cable management, the case features great cooling. Even with a 3.5" drive installed (partially obstructing the 120mm intake fan), a 95W i7 CPU idles at 32C (with CPU and chassis fans at 50% capacity) and torture tests at 70C (with a 37mm-high Noctua NH-L9i cooler). The motherboard: 29C, the 3.5", 7200 RPM drive: 35C.

2 out of 2 people found this review helpful. Did you? Yes No

  • David A.
  • 1/25/2013 9:18:04 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice case to work with

Pros: Lots of space, long cable reach, good cable mix, well marked cables, clean design.

Cons: No slimline SATA connectors, despite having a tray for a slimline optical drive. no thumb screw chassis screws.

Other Thoughts: I enjoyed working with this case, and it is spacious enough to allow the use of full height DIMMs and open enough to run pretty cool.

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  • Jeffrey T.
  • 11/16/2012 11:46:07 AM
  • Ownership: 1 day to 1 week

4 out of 5 eggsGreat super tiny build

Pros: The exact size I was looking for.

Cons: I wish the actual removable outer shell wasn't a single "U" piece, if it was 3 separate "walls" this would be 5/5.

Also the front and back material is quite flexible and thin, but the supports are sturdy enough.

I would like to see this sans a PSU as I used another one with higher output -- this would help lower the cost!

Other Thoughts: I have a z77 mini-itx board with liquid cooling block, an SFX PSU, and a gtx 580 in this little guy and it all fits, run quite cool and is very quiet.

Cabling was a mess, and my 2 SSD's are just kind of sitting there strapped down with wiretires and sticky tape but it all fit.

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16811163207
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