Top 10 Smallest ATX Case – Computer Cases

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1. Cooler Master

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Transparent Acrylic Side Panel, Cooler Master MCB-Q300L-KANN-S00 MasterBox Matx Tower w/ Magnetic Design Dust Filter, Adjustable I/O And Fully Ventilated for Airflow,Black

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Cooler Master #ad - Body depth height: can support normal size ATX power supply. Extra space behind the motherboard tray for hidden cable management. Front magnetic design Dust Filter with open perforated front, top and bottom for high air performance. Edge to edge acrylic Transparent Side Panel offers a full view inside. I/o panel can be adjusted in 6 different locations and the Case can be positioned: vertical or horizontal.
BrandCooler Master #ad
ManufacturerCoolermaster #ad
Height15.23 Inches
Length15 Inches
Weight1.06 Pounds
Width9.05 Inches
Part NumberMCB-Q300L-KANN-S00
ModelMCB-Q300L-KANN-S00
WarrantyNA

2. SilverStone Technology

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SilverStone Technology Home Theater Computer Case HTPC with Faux Aluminum Design for ATX/Micro-ATX Motherboards SST-GD09B-USA

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SilverStone Technology #ad - Quick access filters included. Support expansion cards up to 12. 2". Incredible 358mm depth to fit comfortably inside home theater cabinet. Support ATX motherboards. Positive air pressure design for excellent cooling/quietness and dust-prevention. Drive cages with multi-purpose mounts eliminate need for adapters. Independent graphics card vent.
BrandSilverStone Technology #ad
ManufacturerSilverstone -- Dropship #ad
Height6.69 Inches
Length17.32 Inches
Weight9.26 Pounds
Width14.09 Inches
Part NumberSST-GD09B-USA
ModelSST-GD09B-USA
Warranty1 Year Parts and Labor

3. Thermaltake

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Thermaltake Core V21 SPCC Micro ATX Cube Computer Chassis CA-1D5-00S1WN-00,Black

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Thermaltake #ad - Designed for use in either a vertical or horizontal orientation on the motherboard. 3 year Warranty. Motherboards 6. 7” x 6. 7” mini itx, 9. 6” x 9. 6” micro ATX. Includes 1x 200mm front Fan Pre installed, Optional Cooling Available. Supports m atx and mini itx form factor motherboards. 2x usb 3. 0, 1x mic front ports, 1x headphone, Internal Bay: 3x 3.5 inches or 2. 5 inches. Stackable and flexible Thermal Solution. Chamber concept design with optimized Cable management space for Small Form Factor Builds. Remarkable Expansion. Advance Ventilation.
BrandThermaltake #ad
ManufacturerThermaltake USA Direct #ad
Height13.2 Inches
Length16.7 Inches
Weight14.33 Pounds
Width12.6 Inches
Part NumberCA-1D5-00S1WN-00
ModelCA-1D5-00S1WN-00
Warranty3 year

4. Thermaltake

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Thermaltake Core G3 Black Slim Small Form Factor ATX Perforated Metal Front and Top Panel Gaming Computer Case 2.0 Edition with Two 120mm Front Fan Pre-Installed CA-1G6-00S1WN-A0

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Thermaltake #ad - 5” x 2 with HDD cage. Max cpu cooler height: 110mm/ max vga length: 310mm with front fan/ Max PSU length: 130mm. 0 x 2, usb 2. Six power supply ready: thermaltake tough power SFX 600W 80+ gold is the best choice for excellent balance between cost and performance.

0 x 2, hd audio x 1. 2 drive bay: 2. Handy i/o ports: usb 3. Optimize system ventilation: 2 120mm front fan pre installed. Dual placements layout: designed for horizontal or Vertical layouts, the Core G3 takes both angles for even more. Floating gpu design: bring your gpu power to the forefront With a custom GPU mount, turning the GPU face front for an unprecedented look.

Lan party ready: gpu padded braces and travel foams to secure your hardware while traveling. Fully modular: provides multiple configurations and flexibility for custom PC enthusiasts. 5"/3. Stay slim: a perfect compact micro slim chassis design fit at your desk or living room.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Height17.9 Inches
Length14.6 Inches
Width5.5 Inches
Warranty3 year manufacturer

5. Cooler Master

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Cooler Master HAF XB EVO, High Air Flow Test Bench and Lan Box Desktop Computer Case with ATX Motherboard Support

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Cooler Master #ad - External bay: 2x 5. 25"; 2x 3. 5", internal Bay: 2x 3. 5". Material: steel, Polymer, Mesh Front Bezel. Expansion Slots: 7. Supports up to 4 hdds or SSDs by removable HDD cages.

Fan: 4. Dual usb 3. 0 superspeed ports and X dock slots in the front for Lightning fast plug n play I/O. Motherboard tray can be removed to install, remove or swap components. Two durable trifle fans included in the front also supports a 240 millimeter radiator for powerful airflow. Supports a tower cpu coolers up to 180 millimeter tall and high end VGA up to 334 millimeter long. A case quickly and easily transforms into a test bench ideal for enthusiasts and over clockers. Front i/o panel: 2x usb 3. 0 ports, 1x microphone In, 1x Audio Out. Case type: mid tower, microATX, m/b type: mini ITX, ATX. Rigid carry handles on the side panels.
BrandCooler Master #ad
ManufacturerCooler Master USA, Inc. #ad
Height13 Inches
Length16.7 Inches
Weight18.1 Pounds
Width17.4 Inches
Part NumberRC-902XB-KKN2
ModelRC-902XB-KKN2
Warranty1 Year

6. Thermaltake

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Thermaltake Level 20 VT Tempered Glass Interchangeable Panel DIY LCS Chamber Concept Micro ATX Modular Gaming Computer Case CA-1L2-00S1WN-00

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Thermaltake #ad - One 200mm black Front Fan Pre installed. Cooling with tempered glass 1 of the 4 tempered glass panels is designed for radiator mounting that is gapped for more airflow.

Max vga length: 350mm. I/o port usb 3. 0 x 2, usb 2. 0 x 2, hd audio x 1. Drive bays 3 x 3. 5”/2. 5” with hdd tray + 3 x 2. 5” with hDD Tray. Compact design supporting mini ITX and Micro ATX motherboards. Max cpu cooler height: 185mm. Max psu length: 200mm With Bottom Fan. Clear view four 4mm thick tempered glass panels protect the chassis while providing easy access to the components. Interchangeable panel design change configuration to fit your needs with Symmetrical panels Top, Sides and Bottom Panels.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Height13.7 Inches
Length16.9 Inches
Weight19.1 Pounds
Width13 Inches
Part NumberCA-1L2-00S1WN-00
ModelCA-1L2-00S1WN-00
Warranty3 year warranty

7. Thermaltake

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Thermaltake Versa H17 Black Micro ATX Mini Tower Gaming Computer Case 2.0 Edition with One 120mm Rear Fan Pre-Installed CA-1J1-00S1NN-A0

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Thermaltake #ad - Elegant front panel – Aluminum brushed like front panel provides simple elegant aesthetic. One 120 millimeter rear fan pre-installed. Full-length psu cover – special ventilated design enhances airflow and hides unsightly cables. 2+2 drive bay – 2 5” x 2 + 3 5” x 2. Enhanced airflow – perforated top panel heightened food stands and specially designed cable routing gap enhance airflow for better ventilation.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Part NumberCA-1J1-00S1NN-A0
ModelCA-1J1-00S1NN-A0
Warranty3 Year Warranty

8. Thermaltake

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Thermaltake Core G3 ATX Slim Small Form Factor Tt LCS Certified Gaming Computer Case CA-1G6-00T1WN-00

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Thermaltake #ad - Lan party ready perfect for at home or on the go, the Core G3 includes GPU padded braces and travel foams to secure your hardware during travel. Expandibility : two 3. 5 inches or 2. 5 inches drive bays with HDD Cage.

Stay slim a compact micro slim chassis design for the perfect fit at your desk or living room. Sfx power supply ready: thermaltake Toughpower SFX 600W 80+ Gold is the best choice for excellent balance between cost and performance. Dual placements layout designed for horizontal or vertical layouts, the Core G3 takes both angles for even more. Max cpu cooler height: 110 millimeter / max vga length: 310 millimeter With Front Fan / Max PSU Length: 130 millimeter.

Handy i/o ports: usb 3. 0 x 2, usb 2. 0 x 2, hd audio x 1. Fully modular: provides multiple configurations and flexibility for custom PC enthusiasts. Floating gpu design bring your gpu power to the forefront with a custom GPU mount turning the GPU face front for an unprecedented look. Optimize system ventilation: Two 120 millimeter front fan pre installed.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Height5.5 Inches
Length17.9 Inches
Weight9.3 Pounds
Width14.6 Inches
Part NumberCA-1G6-00T1WN-00
ModelCA-1G6-00T1WN-00
Warranty3 years

9. Antec

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2-Year Warranty, Antec Value Solution Series VSK2000-U3 Micro-ATX Desktop Case, 2 x USB3.0, 92 mm Temperature Controlled Fan Included, Tool-Less ODD/HDD Housing System

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Antec #ad - 5" ssd. 1 x 92 mm temperature-controlled fan included. Motherboard support: Up to Micro-ATX. 5" hdd & 1 x 2. Psu support: TFX form factor. 25” odd, 1 x 3. Expansion Slots: 4. Supports up to 1 x 5.
BrandAntec #ad
ManufacturerAntec Inc #ad
Height7 Inches
Length18.6 Inches
Weight7.72 Pounds
Width15.9 Inches
Part NumberVSK2000-U3
ModelVSK2000-U3
WarrantyNo Applicable

10. IN-WIN

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In-Win CE685.FH300TB3 300W MicroATX Slim Case Black

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IN-WIN #ad - Expansion slots 4x low profile slots. Case type microATX SFF slim. Internal bay 1x 3 5" 1x 2 5". Cooling system 1x 90mm front fan. M/b type microatx Mini-ITX. Front i/o panel 2x usb 3 0 ports 2x USB 2 0 Ports HD Audio. External bay 1x 5 25" 1x 3 5". Power supply 300w standard TFX 12V power supply support Haswell.
BrandIN-WIN #ad
ManufacturerIN-WIN DEVELOPMENT USA #ad
Height14.6 Inches
Length3.8 Inches
Weight12 Pounds
Width13.1 Inches
Part NumberCE685.FH300TB3
ModelCE685.FH300TB3
WarrantyComes with Manufacturer Warranty.