There are many type of micro atx pc, you can check below list with features

Thermaltake Versa H15 Micro ATX Mini Tower Computer Chassis with One 120mm Rear Fan Pre-Installed CA-1D4-00S1NN-A0

$49.99  in stock
1 new from $49.99
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as of May 23, 2020 7:23 pm

Features

  • Enhanced airflow: Perforated top panel, heightened food stands, and specially designed cable routing gap enhance airflow for better ventilation
  • 1+2 drive bay: 5. 25” x 1 + 2. 5”/3. 5” x 3
  • One 120mm rear fan pre installed
  • Supports Mini ITX, Micro ATX (only when DVD ROM is NOT installed) Motherboard
  • I/O port: USB 3. 0 x 1, USB2. 0 x 1, HD Audio x 1

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

$99.99  in stock
1 new from $99.99
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as of May 23, 2020 7:23 pm

Features

  • Positive air pressure design for excellent cooling/quietness and dust-prevention
  • Support expansion cards up to 12.2". Support ATX motherboards
  • Quick access filters included
  • Incredible 358mm depth to fit comfortably inside home theater cabinet
  • Drive cages with multi-purpose mounts eliminate need for adapters.Independent graphics card vent

Cooler Master Box NR400 w/ Front Mesh Ventilation, Minimal Design, Tempered Glass Side Panel and Single Headset Jack

$64.99  in stock
6 new from $64.99
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as of May 23, 2020 7:23 pm

Features

  • Minimalistic mesh design: Elegant design elements are applied to mesh for optimal thermal performance
  • Optimal thermal performance, the full mesh front panel and ventilated top panel provide a high potential for thermal performance
  • Flush Tempered glass Side panel design:The tempered glass Side panel, fastened by thumbscrews on the rear panel, keeps the surface flush and unobstructed
  • Graphics Card support up to 346mm: Generous clearance space is provided to support the latest graphics cards
  • With/without ODD support, depending on preference, an odd version of the chassis is available; If an odd is not preferred, a cleaner appearance and more cooling options on the top and front panels are supported

Thermaltake S100 Tempered Glass Black Edition Micro-ATX Mini-Tower Computer Case with 120mm Rear Fan Pre-Installed CA-1Q9-00S1WN-00

$59.99  in stock
2 new from $59.99
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as of May 23, 2020 7:23 pm

Features

  • [SLIM AND COMPACT] - Full metal construction around the body with sleek front panel design, demonstrating a slim and compact design style
  • [4mm THICK TEMPERED GLASS PANEL] - Tool free door lock design, which guarantees durability and style
  • [BUILT-IN WINDOWED POWER COVER] - Equipped with a PSU cover with a ventilated design to improve airflow and hide those unsightly cables
  • [DUST REDUCTIONS] - A handy magnetic fan filter on the top and on the base of the chassis to help dust filtration and particulate protection
  • [DRIVE BAY] - 2 x 2. 5"/3. 5" with HDD Rack + 2 x 2. 5" with HDD Bracket behind MB Tray

IN-WIN Desktop 300W Haswell Case, Black BL631.FH300TB3F

$93.02
$74.99  in stock
11 new from $74.99
Free shipping
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as of May 23, 2020 7:23 pm

Features

  • Case Type: Slim Desktop Case
  • MB Form Factor: MicroATX
  • External Bay: 5.25 x 1"; 3.5 x 1" Internal Bay: 2x 3.5", 1x 2.5"
  • Expansion Slots: 4x Low Profile Expansion Slots
  • Cooling System: 80mm Side Fan Vent ; Removable Air Filter

Thermaltake Versa H15 SPCC Micro ATX Mini Tower Computer Chassis CA-1D4-00S1NN-00, Black

$80.71  in stock
4 new from $59.07
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as of May 23, 2020 7:23 pm

Features

  • Ideal for home computer builder Intel and AMD PC systems; Cooling System: Turbo fan (1000rpm, 16dBA)
  • Perforated top panel build for optimized heat ventilation and rapid air intake
  • Equipped with 1 x 120 millimeter rear turbo fan with optional 2 x 120 millimeter intake fan
  • Capable of building up a high end solution with 240mm radiator liquid cooling system with long graphic card
  • Thermaltake quality assurance with 3 year warranty and customer service

In Win CJ712.AU265TB3 Black Micro ATX Mini Tower Computer Case 8L Small Form Factor with 265W Power Supply

$88.00
$75.99  in stock
7 new from $75.99
1 used from $63.71
Free shipping
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as of May 23, 2020 7:23 pm

Features

  • 8L small form Factor efficiently Utilizes its 8L compact size to support Micro-ATX form Factor motherboard, providing flexibility for Integrators.
  • Easy integration, superior performance; optimal thermal performance
  • Smart interior structure design
  • Tool-free drive Bays and PCI-E slots
  • Standard flex ATX 265W power supply

Nanoxia Micro ATX Case for Gaming/Desktop/Cube/Tower - Rexgear 2 Limited Edition, Championship White

$59.99  in stock
1 new from $59.99
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as of May 23, 2020 7:23 pm

Features

  • Optimized for small form factor builds using Micro-ATX or Mini-ITX motherboard, with smart component placements that do not block long graphics cards or large radiators.
  • Easy to disassemble & re-assemble: Removable motherboard tray lays flat and let's you get in and change things around quickly (HDD swaps, graphics cards, ram).
  • Supports dual 240/280 mm water cooling radiators, CPU cooler height 187 mm, GPU length 320 mm, full length PSU, and up to 6 case fans.
  • Includes 2 x fan controllers (six 3-pin fan connectors), 1 x 20 cm fan (front), 1 x 14 cm fan (rear), magnetic PSU dust filter, anti-vibration rubber pads, PSU bracket.
  • Case dimensions: 16.45 x 11.02 x 16.22 inches; Limited Edition: we only make these colors in limited quantities.

Gigabyte B450M DS3H (AMD Ryzen AM4/M.2/HMDI/DVI/USB 3.1/DDR4/Micro ATX/Motherboard)

$74.99  in stock
6 new from $74.99
1 used from $67.15
Free shipping
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as of May 23, 2020 7:23 pm

Features

  • Supports AMD 1st & 2nd Generation Ryzen/ Ryzen with Radeon Vega Graphics Processors
  • Dual Channel Non ECC Unbuffered DDR4, 4 DIMMs
  • HDMI, DVI D Ports for Multiple Display
  • PCIe Gen3 M.2 NVMe
  • High Quality Audio Capacitors and Audio Noise Guard

darkFlash Micro ATX Mini ITX Tower MicroATX Computer Case with Door Opening Tempered Glass Side Panel (DLM22 Mint Green)

$69.99  in stock
2 new from $69.99
Free shipping
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as of May 23, 2020 7:23 pm

Features

  • DOOR OPENING DESIGN: Door opening side panel with magnetic design, it is easy to disassemble and tool free.
  • LOWPOLY PANEL DESIGN: The front panel adopts Low poly design and give you the enjoyment of succinct vision.
  • HIGH-QUALITY STRUCTURE: 0.6mm SPCC is painted to form the metal structure with impressive beauty.
  • EXCELLENT LIGHT EFFECT: The black side glass shows the light effect in a low profile way. Meanwhile, the overall tempered glass design makes the inner view of the chassis broad.
  • 240 MM WATER-COOLER COMPATIBLE: It could install 120mm*2/140mm*2 air cooler and 240mm water cooler, making more options for users.