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

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

$76.95  in stock
1 new from $76.95
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as of May 28, 2020 6:23 pm

Features

  • Stay slim: A perfect compact micro slim chassis design fit at your desk or living room
  • Dual placements layout: Designed for horizontal or Vertical layouts, the Core G3 takes both angles for even more
  • Lan party ready: GPU padded braces and travel foams to secure your hardware while traveling
  • Floating GPU design: Bring your GPU power to the forefront With a custom GPU mount, turning the GPU face front for an unprecedented look
  • Fully modular: Provides multiple configurations and flexibility for custom PC enthusiasts

NZXT H510i - CA-H510i-BR - Compact ATX Mid-Tower PC Gaming Case - Front I/O USB Type-C Port - Vertical GPU Mount - Tempered Glass Side Panel - Integrated RGB Lighting - Black/Red

$109.99  in stock
3 new from $99.99
1 used from $99.07
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as of May 28, 2020 6:23 pm

Features

  • NEW FEATURES: Front I/O USB Type-C Port, Vertical GPU Mount, Tempered glass side panel with single screw installation, and upgraded Smart Device V2
  • SMART DEVICE V2: Includes a faster microprocessor for NZXT CAM-powered control of two HUE 2 RGB lighting channels and three fan channels that support either voltage regulated or PWM fans
  • VERTICAL GPU MOUNTING: Show off your graphic card with a built-in mounting bracket for installing your GPU vertically *PCIe riser card not included
  • ENHANCED CABLE MANAGEMENT: Our patented cable routing kit with pre-installed channels and straps makes wiring easy and intuitive
  • MOTHERBOARD SUPPORT: Mini-ITX, MicroATX, and ATX

Thermaltake Core V1 SPCC Mini ITX Cube Gaming Computer Case Chassis, Interchangeable Side Panels, Black Edition, CA-1B8-00S1WN-00

$59.99
$50.99  in stock
12 new from $50.99
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as of May 28, 2020 6:23 pm

Features

  • Supports Mini ITX Motherboard
  • 2x USB 3.0, 1x Headphone, 1x Mic Front Ports, Internal Bay: 2x 3.5 inches, 2x 2.5 inches 1 x 200 millimetre fan, 2 x 80 millimetre turbo fans (optional)
  • Interchangeable Side Panels: Symmetrical panels to build the system with personality
  • Adjustable I/O Panel Location. Extreme Air/Liquid Cooling Configurations Options and Dual Modular Drive Rack Design
  • Chambers Concept. Advanced Ventilation

Cooler Master Elite 110 RC-110-KKN2 Midnight Black Steel/Plastic Mini-ITX Tower Computer Case

$49.99
$44.31  in stock
2 new from $44.31
Free shipping
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as of May 28, 2020 6:23 pm

Features

  • Compatible with Mini-ITX motherboards
  • Mesh front panel provides excellent front to back airflow
  • Supports standard size ATX power supplies up to 180mm long
  • Supports a 120 millimeter water cooling system in the front
  • Fits up to 8. 3" Long Graphics cards

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
8 new from $75.99
Free shipping
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as of May 28, 2020 6:23 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

SilverStone Technology Milo Series Aluminum/Steel Micro-ATX Media Center/HTPC Case, Black ML03B-USA

$79.99
$73.83  in stock
2 new from $73.83
Free shipping
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as of May 28, 2020 6:23 pm

Features

  • Support up to four 80mm fans
  • Drive cages with multi-purpose mounts eliminate need for adapters
  • Support low profile expansion cards
  • Support Standard ps2(atx) power supplies
  • Includes two USB 3.0 Ports

SilverStone Technology Mini-STX Computer Case with RS232 Cutout and Dual 2.5" HDD/SSD Support and VESA Mounting Kit VT02B

$39.99  in stock
3 new from $39.99
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as of May 28, 2020 6:23 pm

Features

  • Compatible with Intel Mini-STX motherboard. Supports standard Intel retail box CPU cooler.
  • Has RS232 port cutout (optional) on the rear of the case. Ideal for retail environments or compact HTPC builds.
  • Robust construction with classic SilverStone styling
  • Super small at 1.88 liters in size. Supports Two 2.5" SSD/HDD.
  • Includes VESA MIS-D, 75 monitor / wall mount clips

SilverStone Technology Ultra Compact Mini-ITX Computer Case with Mesh Front Panel Black (SST-SG13B-USA)

$51.99
$48.60  in stock
1 new from $48.60
Free shipping
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as of May 28, 2020 6:23 pm

Features

  • Support standard-length expansion cards (10 5 inches)
  • Mini-dtx/Mini-ITX motherboard & ATX PSU compatible
  • Support 120mm or 140mm single fan all-in-one liquid cooler
  • Support 2 5" And 3 5" Hard drives
  • Elevated standoff for motherboard back side components

MITXPC MX500 Industrial Fanless Mini-ITX Case w/Wall Mount Bracket

$44.95  in stock
2 new from $44.95
1 used from $35.93
Free shipping
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as of May 28, 2020 6:23 pm

Features

  • Supports Mini-ITX Motherboards
  • Supports 2x 2.5" Hard Drive or SSD
  • Supports 4x 40mm x 40mm Fans
  • Includes Wall Mounting Bracket
  • Case Dimensions: 228.6mm x 195.6mm x 63.5mm, 9" x 7.7" x 2.5"

Cooler Master Case H100 Mini-ITX PC case with a 200mm RGB Fan, Fine Mesh Front Panel, Built-in Handle

$69.99  in stock
13 new from $69.99
Free shipping
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as of May 28, 2020 6:23 pm

Features

  • Compact Mini ITX A highly compact layout efficiently uses space to keep dimensions minimized
  • Fine Mesh Ventilation The entire front panel and part of the top panel features fine mesh, achieving efficient airflow while also filtering out dust
  • 200mm RGB Fan Even with compact dimensions, the H Series’ iconic 200mm RGB fan is included for optimal cooling
  • ATX Power Supply Full sized ATX power supplies are supported to improve hardware compatibility and ensure efficient power to the system
  • Built In Handle A handle is built into the top panel for added portability and on the go gaming