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Shadow Black mid-tower case with tempered glass side panel and steel frame

ASUS

ASUS A21 Zhuiying Mid-Tower PC Case Shadow Black

SKU CH-G6PW-WJMXF

Mid-tower chassis for Micro-ATX and Mini-ITX boards with rear-mount support, 360 mm radiator room, tempered glass side, and front USB 3.2 Gen 2×2 Type-C

  • Motherboard CompatibilityMicro-ATX Mini-ITX
  • ColorBlack
  • Case MaterialSteel,Tempered Glass,Plastic
  • With Power SupplyNo
  • Front Ports1 x Headphones / Microphone 2 x USB 3.2 Gen 2x2 Type-C 4 x U
  • Fits Micro-ATX and Mini-ITX boards with rear-mount option
  • Front panel gives 2×USB 3.0 5 Gbps plus audio jacks
  • Tempered glass side panel shows the build in Shadow Black
  • Supports radiators up to 360 mm at front and top
  • 33 mm rear cable space keeps wiring tidy

Compact M-ATX and Mini-ITX chassis

The ASUS A21 Zhuiying Shadow Black is a mid-tower case built for Micro-ATX and Mini-ITX motherboards. It supports rear-mounted motherboard layouts such as MATX and YTX for alternative build configurations. A tempered glass side panel displays the interior while steel and plastic construction provides structure. Front I/O includes two USB 3.2 Gen 2x2 Type-C ports, four USB 3.2 Gen 1 ports and a combined headphone and microphone jack.

Upgrade from smaller or older enclosures

Builders moving from tighter Mini-ITX boxes or older mid-towers gain support for graphics cards up to 380 mm long and CPU coolers up to 165 mm tall. Radiator mounts on the front and top accept 360 mm or 280 mm units for liquid cooling upgrades. The rear cable management channel offers 33 mm of clearance for cleaner routing. Power supplies up to 210 mm deep fit without modification.

Straightforward assembly with standard hardware

Motherboard standoffs align with Micro-ATX and Mini-ITX patterns and the rear-mounted tray uses the same mounting points. Drive installation uses two 3.5 or 2.5 inch bays plus a dedicated 2.5 inch slot. Pre-installed dust filters on the top and bottom panels lift out for cleaning. Front panel USB 3.2 Gen 2x2 Type-C headers require a compatible motherboard connector or an adapter cable.

Highlights

  • Fits Micro-ATX and Mini-ITX boards with rear-mount option
  • Front panel gives 2×USB 3.0 5 Gbps plus audio jacks
  • Tempered glass side panel shows the build in Shadow Black
  • Supports radiators up to 360 mm at front and top
  • 33 mm rear cable space keeps wiring tidy

Specifications

Motherboard CompatibilityMicro-ATX
Mini-ITX
ColorBlack
Case MaterialSteel,Tempered Glass,Plastic
With Power SupplyNo
Front Ports1 x Headphones / Microphone
2 x USB 3.2 Gen 2x2 Type-C
4 x USB 3.2 Gen 1
BrandASUS

Questions about this item

What maximum GPU length and CPU cooler height fit in the ASUS A21 Zhuiying Shadow Black case?

The case accepts graphics cards up to 380 mm long and CPU coolers up to 165 mm tall, leaving room for most mid-range and high-end air coolers.

Which screws and orientation are required when installing a motherboard on the rear-mounted tray?

Use the included standoffs for Micro-ATX or Mini-ITX patterns, align the I/O shield with the rear cut-out, and secure the board before routing cables through the 33 mm clearance channel.

Where are the dust filters located and how often should they be cleaned?

Magnetic filters sit on the top panel and the bottom of the chassis; remove and rinse them every few months or when visible dust builds up to maintain airflow.

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