There are many type of small atx cases, you can check below list with features

Corsair CC-9011023-WWCORSAIR Carbide 200R Compact ATX Case

$94.98  in stock
3 new from $57.95
1 used from $199.99
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Amazon.com
as of July 3, 2020 8:57 am

Features

  • Maximum GPU Length : 420mm
  • Maximum CPU Cooler Height : 165mm
  • Maximum PSU Length: 200mm. Case Drive Bays 3.5 inch - 4. Case Drive Bays 2.5 inch - 4
  • Case Expansion Slots : 7. Radiator Compatibility- 120mm; 140mm; 240mm, Case Drive Bays(x3) 5.25 inch (x4) 3.5 inch (x4) 2.5 inch
  • Case Form Factor : Mid-Tower

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

$99.99
$91.27  in stock
2 new from $91.27
Free shipping
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as of July 3, 2020 8:57 am

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 MasterBox TD500 Mesh White Airflow ATX Mid-Tower w/E-ATX Support, Polygonal Mesh Front Panel, Crystalline Tempered Glass & 3 ARGB Fans w/Controller

$249.99  in stock
1 new from $249.99
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as of July 3, 2020 8:57 am

Features

  • Polygonal Mesh features a three-dimensional contour and is also capable of simultaneously providing high airflow and dust filtration. .
  • A Crystalline Tempered Glass side panel dons a crystalline design, precision engineered for strength as well as aesthetics
  • Three included addressable RGB fans flood the build with lighting while providing considerable airflow.
  • For enthusiast-grade cooling, two 360mm radiators are supported on the top and front panel to keep the most extreme systems cool.
  • Support for up to seven 120mm fans and front, top, and rear liquid cooling ensure the utmost in performance.

Phanteks Eclipse P300A (PH-EC300ATG_BK01) high airflow full-metal mesh design, compact ATX Mid-tower, 120mm black case fan, Black

$59.99  in stock
4 new from $59.99
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Amazon.com
as of July 3, 2020 8:57 am

Features

  • Ultra-fine Performance Mesh front panel for the best optimal cooling performance; Tempered glass side panel to showcase your build
  • Spacious open interior: supports ATX motherboards, 280mm radiator in front, supports a vertical GPU bracket (optional PH-VGPUKT_0), and full-size power supplies
  • Easy accessibility to I/O featuring 2x USB 3. 0, Microphone, Headphone, Power button, Reset button
  • Front-loading HDD trays for easy installation, up to 4x SSD mounting locations, and a separate PSU compartment

CORSAIR Carbide Series SPEC-DELTA RGB Mid-Tower ATX Gaming Case, Tempered Glass

$103.81
$93.32  in stock
24 new from $72.36
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Amazon.com
as of July 3, 2020 8:57 am

Features

  • Contemporary angular design and direct airflow Path layout ensures massive airflow to keep your system cool
  • Light up your system with three RGB LED fans, each boasting six customizable LEDs
  • The front panel’s dark, angular accents become transparent when backlit, providing a unique window into your system
  • A frameless tempered glass Side panel window shows off your PC at its best.Compatible Corsair Liquid Coolers:H55, H60, H75, H80i, H90, H100i, H105, H110i, H115i, H150i
  • A full-length PSU cover hides your PSU and cables out of sight, making creating immaculate builds easier than ever

Corsair Icue 465X RGB Mid-Tower ATX Smart Case, Black

$199.98  in stock
4 new from $199.98
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as of July 3, 2020 8:57 am

Features

  • A strong, durable steel chassis and 4mm-thick Tempered glass Side and front panels showcase your components and RGB fans, with ventilation Gaps for plentiful airflow
  • Room to install up to 6x 120mm cooling fans or multiple radiators in sizes up to 360mm
  • Drive trays accommodate up to two 3.5in HDDs and two 2.5in SSDs, with two additional 2.5in mounts
  • Includes three Corsair LL120 RGB cooling fans that deliver powerful airflow Up to 1, 500 RPM, with 16 RGB LEDs per fan and seven mesmerizing preset iCUE lighting profiles
  • Fully control and synchronize your RGB lighting out-of-the-box with the included iCUE lighting Node Core and Corsair iCUE software

CORSAIR OBSIDIAN 750D Full-Tower Case - Airflow Edition (CC-9011078-WW)

$199.98  in stock
4 new from $134.34
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Amazon.com
as of July 3, 2020 8:57 am

Features

  • Generous Expansion Room for Building High Performance Systems
  • Nine PCI-E expansion slots, up to ten 3.5" or 2.5" drives and three 5.25" drive bays. Compatible Corsair Liquid Coolers- H55, H60, H75, H80i, H90, H100i, H105, H110
  • High Airflow Front Mesh Design Quiet, efficient air cooling performance for your CPU and GPUs. Radiator Compatibility - 120mm, 140mm, 240mm, 280mm, 360mm
  • Modular Drive Cage System. Compatibility: E-ATX, ATX, Micro ATX, XL-ATX and Mini-ITX motherboards
  • Save space and customize your layout for your storage or airflow needs

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

$77.86  in stock
3 new from $77.86
Free shipping
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as of July 3, 2020 8:57 am

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

Cooler Master MasterCase H500 ARGB Airflow ATX Mid-Tower with Mesh & Transparent Front Panel Option, Dual 200mm ARGB Fans, and a Tempered Glass Side Panel

$119.99  in stock
9 new from $119.99
Free shipping
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as of July 3, 2020 8:57 am

Features

  • Mesh and Transparent Front Panel – Both the mesh and transparent front panel are included for maximized airflow and offering a crystal-clear view of the fans
  • Dual 200mm ARGB Fans – The iconic, addressable RGB fans are the core of the H-Series in design and function, capable of operating quietly while moving high volumes of air due to their size
  • ARGB Lighting System – The pre-installed ARGB fans can be managed by either the motherboard or an included controller, connected by the included splitter, to create a comprehensive ARGB lighting system
  • Tempered Glass Side Panel – Gaming hardware, custom-loop cooling, and the pure pride of the builder is shown in panoramic view through an edge-to-edge tempered glass side panel
  • Optimized Airflow – Filtered ventilation on the top panel provides additional thermal support while also offering mounting options for future cooling upgrades

Thermaltake V200 Tempered Glass RGB Edition 12V MB Sync Capable ATX Mid-Tower Chassis with 3 120mm 12V RGB Fan + 1 Black 120mm Rear Fan Pre-Installed CA-1K8-00M1WN-01

$79.99  in stock
4 new from $79.99
Free shipping
Buy Now
Amazon.com
as of July 3, 2020 8:57 am

Features

  • Light up the system: 3 Pre installed 120 millimeter 12V motherboard Sync RGB fans (Sync with as US, Gigabyte, MSI, as rock, and BIOSTAR 12V header Mob) + 1 Black fan at back
  • Built in dual mode 12V Sync controller: Control light via I/O port RGB Light button (16 LED modes/7 Color) or via 12V header RGB sync motherboard (Sync with as US, Gigabyte, MSI, as rock, and BIOSTAR 12V header Mob)
  • 16 LED modes through I/O port RGB Light button: RGB mode, single color mode (7 Colors), breath mode (7 Colors), light off 7 Colors: red, yellow, green, cyan, blue, White, Purple]
  • Clear view of PC gaming: 4 millimeter thick Tempered Glass Side panel with standard mounting
  • Built in PSU cover: Cover all your cables for a professional look combined with a window to show off your colorful power