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Asus A31 Plus black (90DC00R0-B19000)

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Asus A31 Plus black
black white
2025BTFgamingfan backlightaquariumUSB-C
Chassis Form Factor:Midi Tower
Motherboard size:ATX
PSU power:no PSU
Internal bays 3.5":2
Internal bays 2.5":2
Front panel:USB A 2 pcs, USB C 1 pcs

A specialized Midi Tower gaming case from the Back-to-Future series, presented by the Asus brand in 2025. First, let's note that the device boasts support for reverse motherboard connectivity technology, allowing for an always clean appearance without visible cables inside the glass "aquarium." The concept of transparency is implemented through glass panels at the front and side, turning the system into a showcase for components.

Dimensions of 435x238x511 mm provide spacious interior for graphics cards up to 380 mm long and CPU coolers up to 165 mm tall, covering the needs of most modern gaming configurations. The Asus A31 Plus case is equipped with four pre-installed 120-mm fans with ARGB lighting, integrated into the Aura Sync ecosystem for unified lighting effects with other Asus components.

Seven fan slots offer flexibility in cooling setup, including support for 140-mm models at the rear and top. Two positions for liquid cooling systems include support for a large 360-mm radiator at the top. A sturdy steel construction weighing 9.1 kg ensures exceptional stability and minimizes vibrations. The front panel is equipped with high-speed USB-C 3.2 gen2x2, providing data transfer up to 20 Gbps, and two USB 3.2 gen1 ports. A removable drive cage simplifies installation and maintenance of the storage system.

All specifications
Specifications A31 Plus Black
Colour
Featuresgaming
Form factorMidi Tower
Mountvertical
Motherboard supportATX
Board placementvertical
Reverse layout motherboard support
PSU form factorATX (regular)
Computer case
Dimensions (HxWxD)435x238x511 mm
PSU max lenght200 mm
Graphics card max lenght380 mm
Fan max height165 mm
Weight9.1 kg
Materialsteel
Lighting typebacklit fan
Lighting colourARGB
Lighting syncAsus Aura Sync
Side panelremovable
Storage
PSU
PSU mountbottom
3.5" bays2
internal 2.5" compartments2 / instead of 3.5" /
Expansion slots7
Cooling
Installed fans4 шт
120mm
Fans (back)1x140mm / 1x120mm /
Fans (side)3x120mm
Fans (top)2x140mm / 3x120mm /
Fan mounts total7
Dust filtertop and bottom
Liquid cooling system support
Liquid cooling system
Liquid cooling (rear)120 mm
Liquid cooling (top)360mm
Liquid cooling mounts2
Connectors and functions
Placementon the front
USB-A 5Gbps2 pcs
USB-C 20Gbps1 pcs
Audio (microphone/headphones)
More features
Front panelglass
Side panel windowtempered glass
More featuresremovable HDD cage
hidden wiring
CPU cooling mount window
Official Websiteasus.com
Added to E-CatalogMarch 2025
P/N
90DC00R0-B19000

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Asus 90DC00R0-B19000

ASUS A31 Plus TG ARGB BLACK.Form factor:Midi Tower, Type:PC, Product colour:Black.Power supply location:Bottom.Side fans inst... morealled:3x 120 mm, Rear fans installed:1x 120 mm, Rear fans diameters supported:120,140 mm.Supported HDD sizes:2.5,3.5´´.Width:238 mm, Depth:511 mm, Height:435 mm.Ready for Hidden Connectors:Built for motherboards featuring hidden connectors to optimize cable management for a clutter-free setup.Broad Compatibility:The A31 PLUS supports up to 360mm radiators combined with fans of up to 80mm thick, plus graphics cards up to 380mm in length and CPU air coolers with heights of up to 165mm.Panoramic Design:Tempered glass panels on the front and side offer unobstructed views of the main chamber.8° Angled Base:The golden angle combines functionality and aesthetics, enhancing airflow efficiency for better thermal performance while widening the viewing angle for a more immersive experience.
Tradeinn.com
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ASUS A31 PLUS Mid Tower Gaming Case - Black 90DC00R0-B19000

DISCOVER HIDDEN POTENTIAL The ASUS A31 PLUS is a PC case crafted for minimalist mainstream DIY PC builders. It supports a va... moreriety of AIO coolers and graphics cards, and easily accommodates motherboards with hidden connector designs, ensuring a clean, clutter-free setup. Ready for Hidden Connectors: Built for motherboards featuring hidden connectors to optimize cable management for a clutter-free setup. Broad Compatibility: The A31 PLUS supports up to 360mm radiators combined with fans of up to 80mm thick, plus graphics cards up to 380mm in length and CPU air coolers with heights of up to 165mm. Panoramic Design: Tempered glass panels on the front and side offer unobstructed views of the main chamber. 8° Angled Base: The golden angle combines functionality and aesthetics, enhancing airflow efficiency for better thermal performance while widening the viewing angle for a more immersive experience. READY FOR HIDDEN CONNECTORS In addition to providing a clean PC build experience, the A31 PLUS is compatible with the ROG MAXIMUS Z790 HERO BTF , a motherboard that features innovative hidden connectors and headers located on the underside to maximize clean cable management. Explore our BTF ecosystem lineup BROAD COMPATIBILITY The A31 PLUS ATX case supports up to 360mm radiators, graphics cards up to 380mm in length, and CPU air coolers up to 165mm in height, giving builders plenty of options while assembling their next PC. Image for illustration only Support 360 mm Radiator 380 mm Graphics Card Length 165 mm CPU Cooler Height BOUNDLESS PANORAMIC VIEWS Experience a seamless view unobstructed by a front pillar, offering an unparalleled visual display of the internal components and ensuring your build shines from every angle. CAPABLE COOLING The A31 PLUS provides 80mm of clearance for AIO coolers at the top, allowing for thicker radiators and larger fans. Four pre-installed ARGB fans also enhance cooling performance. 8° ANGLED BASE The 8° angle of the base integrates functionality and elegance, promoting efficient cooling and offering a wider view for maximum immersive experiences. The base design is also ideal for showcasing your system's personalized style and ARGB effects. CABLE MANAGEMENT The A31 PLUS provides a compartment behind the motherboard that is 34mm wide to help keep cables tucked away and tidy. COLOR-COORDINATED BUILDS Both variants of the A31 PLUS come with color-coordinated black or white internal I/O cables to compliment any build theme.
CCLonline.com
Delivery: to United Kingdom
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£99.99
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Asus Asus A31 PLUS TG ARGB Mid Tower Case - Black 90DC00R0-B19000

The ASUS A31 ATX case offers support for hidden-connector motherboards, 360mm radiators and 380mm graphics cards, with Black... moreor White color options and clean cable management. ASUS A31 at a Glance Innovation: Support BTF MB with hidden connectors design Brilliant compatibility: 3.2 Gen 2 Type C port, and compatible with 360mm AIO CPU cooler & 380mm Graphics Card (RTX 4090 compatible). Pre-built 4 ARGB Fans: 4 x 120mm ARGB fans to provide comprehensive cooling and vibrant lighting. 3 fans in front are reverse blades. Capable Cooling: Support up to 10 units of 120mm fans to maximize airflow. Ample Cable Management 34mm wide space makes customers feel easier during DIY process. ASUS A31 Specification Specification Details Model ASUS A31 Case Case Size Mid Tower Motherboard Support ATX, Micro-ATX, Mini-ITX, BTF motherboard compatible Drive Bays 2 x 2.5"/3.5" Combo Bay Expansion Slots 7 Front I/O Port 1 x headphone / Microphone, 2 x USB 3.2 Gen1, 1 x USB 3.2 Gen 2x2 Type C Tempered Glass Front Side, Left Side Radiator Support (Top) 120 mm, 140 mm, 240 mm, 280 mm, 360 mm Radiator Support (Rear) 120 mm Cooling Support (Top) 3 x 120 mm, 2 x 140 mm Cooling Support (Rear) 1 x 120 mm, 1 x 140 mm Maximum CPU Cooler Height 165 mm Maximum GPU Length 380 mm Maximum PSU Length 200 mm Removable Dust Filters Top, Bottom Maximum Cable Management Space 34 mm Dimensions 238 x 511 x 435 mm Weight 8.2 Kg
Overclockers.co.uk
Delivery: to United Kingdom
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£99.95
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ASUS A31 PLUS Black Mid Tower Gaming Case

Scan.co.uk
Delivery: to United Kingdom
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£99.98
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ASUS A31 PLUS TG ARGB Tempared Glass Mid Tower Gaming PC Case 90DC00R0-B19000

The ASUS A31 PLUS ATX case offers support for hidden-connector motherboards, 360mm radiators and 380mm graphics cards, with B... morelack or White color options, four pre-installed ARGB fans and clean cable management. Ready for Hidden Connectors:  Built for motherboards featuring hidden connectors to optimize cable management for a clutter-free setup. Broad Compatibility:  The A31 PLUS supports up to 360mm radiators combined with fans of up to 80mm thick, plus graphics cards up to 380mm in length and CPU air coolers with heights of up to 165mm. Panoramic Design:  Tempered glass panels on the front and side offer unobstructed views of the main chamber. 8° Angled Base:  The golden angle combines functionality and aesthetics, enhancing airflow efficiency for better thermal performance while widening the viewing angle for a more immersive experience. Discover Hidden Potential The ASUS A31 PLUS is a PC case crafted for minimalist mainstream DIY PC builders. It supports a variety of AIO coolers and graphics cards, and easily accommodates motherboards with hidden connector designs, ensuring a clean, clutter-free setup. Ready for Hidden Connectors In addition to providing a clean PC build experience, the A31 PLUS is compatible with the ROG MAXIMUS Z790 HERO BTF, a motherboard that features innovative hidden connectors and headers located on the underside to maximize clean cable management. Broad Compatibility The A31 PLUS ATX case supports up to 360mm radiators, graphics cards up to 380mm in length, and CPU air coolers up to 165mm in height, giving builders plenty of options while assembling their next PC. Boundless Panoramic Views Experience a seamless view unobstructed by a front pillar, offering an unparalleled visual display of the internal components and ensuring your build shines from every angle. Capable Cooling The A31 PLUS provides 80mm of clearance for AIO coolers at the top, allowing for thicker radiators and larger fans. Four pre-installed ARGB fans also enhance cooling performance. 8° Angled Base The 8° angle of the base integrates functionality and elegance, promoting efficient cooling and offering a wider view for maximum immersive experiences. The base design is also ideal for showcasing your system's personalized style and ARGB effects. Cable Management The A31 PLUS provides a compartment behind the motherboard that is 34mm wide to help keep cables tucked away and tidy. Color-Coordinated Builds Both variants of the A31 PLUS come with color-coordinated black or white internal I/O cables to compliment any build theme.
Box.co.uk
Delivery: to United Kingdom
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£99.95
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Series Asus BTF (Back to Future)
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Asus A31 Plus configurations

Price for Asus A31 Plus
Asus A31 Plus blackfrom £88.499 offers
Asus A31 Plus whitefrom £74.9911 offers
Video reviews

Gaming aquarium

The ASUS A31 Plus case blends gaming chops with a modern design approach. It features two glass panels—front and side—that give a panoramic view of the components and lighting. The set includes 4 ARGB fans with ASUS Aura Sync support, letting you match the color scheme to your system’s style. A separate advantage is support for motherboards with back-connect layouts, such as the ASUS ROG MAXIMUS Z890 HERO BTF, which eliminates visible cables and highlights the aesthetics of an aquarium-style PC. The case has optimal dimensions and accommodates cutting-edge hardware: graphics cards up to 380 mm long and LCS radiators up to 360 mm. The overall weight is substantial at 9.1 kg.

Almost flawless

This model suits builds of any level and will be not only functional but also a decorative part of your setup. A key advantage is the wide range of ports, including USB-C, ensuring convenient connection of gaming gear and mobile devices. That said, there is a weak spot: the front I/O panel is placed on the front of the case, which is handy on a desk but may be less practical on the floor due to the risk of port damage. For dust protection, there are removable filters on the top and bottom.

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Computer Case Asus A31 Plus Black