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Lian Li A3-mATX PC Case, 415mm GPU, 360 AIO, Wood Black Mesh (A3X-WD)

  • Based on 477 reviews
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Availability: In Stock.
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Arrives Wednesday, Oct 7
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Style: A3 (Wood Front Panel-Black)


Features

  • Compact 26.3L Design, Big Hardware Support: Accommodates mATX/ITX motherboards with 4 expansion slots and GPUs up to 415mmachieve a compact footprint without sacrificing performance.
  • High Airflow Steel Mesh Panels: Designed with steel mesh side and top panels for optimal airflow, making it perfect for high-TDP GPUs and radiator setups.
  • Supports 360mm Radiators and Up to 10 x 120mm Fans: Capable of housing a 360mm radiator and multiple 120mm fansinclude a simple fan/radiator placement diagram in the images for clarity.
  • Flexible PSU Installation (Front/Side): Compatible with ATX/SFX/SFX-L and LIAN LI EDGE power supplies; orientation options enhance clearance and cable management.
  • Stylish Wood Front Panel with Modular Design: Features a walnut wood front panel and a modular structure, ideal for creating compact, clean, and minimalist PC builds.

Description

HARDWARE COMPATIBILITY IN ALL CONFIGURATIONS: Front & Side PSU Installation Guide

Brand: Lian Li


Motherboard Compatability: Micro ATX, ITX


Case Type: Mini-Tower


Recommended Uses For Product: Gaming


Color: Black


Material: Stainless Steel


Power Supply Mounting Type: Flexible Mount


Cooling Method: Air


Model Name: A3-mATX-WD Black


Item Weight: 11 pounds


Supported Motherboard: Micro ATX, ITX


Case Type: Mini-Tower


Power Supply Mounting Type: Flexible Mount


Cooling Method: Air


Total USB 3.0 Ports: 3


Total Usb Ports: 3


Other Special Features of the Product: High Airflow Mesh Design


Hard Disk Form Factor: 3.5 inches


Internal Bays Quantity: 4


Compatible Devices: M-ATX, ITX motherboards; GPUs up to 415mm; ATX, SFX, SFX-L PSUs; Radiators up to 360mm; Fans up to 10 x 120mm


Color: Black


Enclosure Material: Stainless Steel


Antenna Location: Gaming


Item Weight: 11 pounds


Item Dimensions D x W x H: 17.4"D x 7.63"W x 12"H


Brand: Lian Li


Model Name: A3-mATX-WD Black


Item Highlight: No Fans Included, Supports 360mm AIO, Modularity Design, For M-ATX, ITX Motherboard, DAN Cases Collaboration


Number of Items: 1


Unit Count: 1 Count


Manufacturer: Lian Li


UPC: 840353046542


Built-In Media: Item


Model Number: A3-mATX-WD Black


Mfr Part Number: A3-mATX-WD Black


Warranty Description: 1 Year Warranty


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Oct 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews


  • Easy install, great airflow, small stylish case
Style: A3 (Wood Front Panel-Black)
Probably my favorite small case. Great build quality, room for expansion, nearly tooless design, and lots of ventilation. Currently have an RTX 3070 and Ryzen 5 3600 in it with a LARGE noctua cooler and it doesn't get hot at all. Even had room for a 3.5" 8TB Backup drive. The wood grain is a really nice touch and looks good with my wood grain desk. Installation was easy and I still have room for expansion if I need it. 10/10, great case. ... show more
Reviewed in the United States on August 16, 2026 by Aaron

  • M-ATX Build with GTX 5080 and Ryzen 9800x3d
Style: A3 (Wood Front Panel-Black)
I recently built a system using the Lian Li A3 and I’m genuinely impressed. As someone who wanted a true m-ATX build without sacrificing looks or quality, this case hit all the marks. The compact footprint is one of my favorite aspects—it fits perfectly on my desk without feeling cramped, yet still offers excellent airflow and clearance for components. Lian Li clearly optimized the space well: there’s room for a full-sized GPU, multiple storage drives, and tidy cable routing despite the smaller form factor. I was worried about space restrictions, but assembly was intuitive and comfortable even for a first-time builder. Build quality feels premium, with solid panels and clean finishes that elevate the overall look. The case stays cool under load, and the included fan support is great for keeping thermals in check. If you’re building a high-performance m-ATX rig and want something that looks great and performs as well as it looks, the A3 is a fantastic choice. Highly recommend for m-ATX enthusiasts who want a balance of size, performance, and aesthetics! ... show more
Reviewed in the United States on January 17, 2026 by Kavin

  • Reddit was right
Style: A3 (Wood Front Panel-Black)
I bought this case after seeing many people in the Micro Form Factor Reddit rave about it. I bought a Lian Li Lancool II several years ago and found it to be the best case I had ever built in and have been following Lian Li since. This case boasts a beautiful set of wood panels on front that still allow plenty of airflow to enter. The amount of mesh all around the case meant there was plenty of airflow to dissipate heat without cranking the fans which helps keep it nearly silent. The frame of the case even without the side fan mount is extremely sturdy with absolutely no flex. Building in it was very straightforward, directions show how to mount an ATX or SFF power supply and it was simple. Size was perfect for an ATX motherboard but there’s no room for cable management so it took me as a very seasoned PC builder quite a while to get my cable runs situated which isn’t something I’d recommend for someone who’s new to PC building, but is easy for anyone who’s worked in any SFF case and wants the expandability of a Micro-ATX motherboard. Overall for the price I think this is a case I can recommend to everyone, it’s got beautiful aesthetics, high performance cooling, and a build quality that feels like it should cost a lot more. ... show more
Reviewed in the United States on January 18, 2026 by Darren Baker

  • Highly Recommend, buying this PC case 100%.
Style: A3 (Wood Front Panel-Black)
From the moment you lay eyes on it, this PC case impresses with its stunning design. The wood finish is truly exceptional, exhibiting a rich texture that catches the light beautifully, while the polished stainless steel components shine with remarkable clarity. The deep, dark shade of black perfectly complements the warm tones of the wood, creating a striking visual harmony. Its size strikes an ideal balance—not too large or bulky, making it a perfect fit for any setup. Assembly is a breeze, with clear instructions that make the process straightforward and enjoyable. Beyond aesthetics, this case excels in functionality, featuring superior heat dissipation and strategically placed ventilation areas that ensure optimal airflow. There’s ample room inside, preventing the components from feeling cramped or overcrowded, which not only enhances performance but also simplifies future upgrades. Overall, this PC case is a well-crafted masterpiece that is worth every single penny. ... show more
Reviewed in the United States on January 23, 2025 by Mohamed Eita

  • Great mATX case, but no cable management
Style: A3 (Wood Front Panel-Black)
I've built a few computers in the past. I was always able to manage the cables at least a little, since I could generally hide the cables on the other side of the case. Not so with this small mATX case. I started to remove pieces from my other PC case - the motherboard, the CPU cooler, the case fans, and finally the graphics card. I inserted the motherboard into this mATX case, and then began with the fans. I placed 3 fans on the top of the case, ensuring that I had enough room. I VERY quickly realized I had nowhere to hide the fan cables. They sit directly in-between the fans and the motherboard, in plain daylight, where everyone can see them. That worried me, because I hadn't even added in the power supply cables yet. Once I added those in, I gave up cable management altogether and just zip-tied all the cables to the bottom and sides of the case. Oh, you can see them. And you can clearly see every single cable that's shoved into the tiny crevices. Other than the blatant disregard for any and all cable-managers out there, I think Lian-Li did a good job with this case. My cooler fits, the fans fit well, and it looks very professional. I believe they could have expanded the case width-wise and we would've been able to hide the cables, but I suppose that also defeats the purpose of an mATX small form-factor case. Ah well. Get the all-mesh version if you plan to buy it. It looks great. ... show more
Reviewed in the United States on October 11, 2024 by Adam Culley

  • Wanted something a little bigger than the SAMA 01 mATX with some style
Style: A3 (Wood Front Panel-Black)
Pros -looks great with the wood panel. -airflow is great for the size. I like that they give you that extra length for larger GPUs and 3 top exhausts if you need it. (I'd recommend air-cooling unless you hate air coolers from an aesthetic viewpoint.) -Toolless panels. You also have options for rear thumbscrews, but the panels snap in without them. -lots of PSU mounting options. -clearly marked included screw set in box -front i/o is great and no annoying blinking bright LEDs on the power button. Front i/o cable is joined (instead of the the separate i/o strands the can be difficult to plug in the first time. Cons -the perforated panels have some flex when not installed. Be careful you don't accidently put a heavy object on it. Also, make sure that all 3 brackets are aligned when snapping it in. If on is off, there could be some warping. -The only thing I wish is that they gave and option for the right side panel to be solid/rigid. With my current temps, having both perforated metal feels like overkill save if you're going for an i9, 4090/5090 build. you're all not really exhausting any air through that panel so having a more rigid option would be cool. -No case fans included. This isn't an issue for me (I usually just swap out included fans for some Noctuas or Be Quiets), but if you're a new builder and don't have your own preferred fans, be aware of this. -Manual is the standard bare-bones one you get with most cases...not great, not terrible. Conclusion: It's a great looking mATX case with plenty of functionality. As long as you're not expecting all of the premium features of the Fractal Design North, you'll be good. 80-$100 is a fair price. I wouldn't go any higher. ... show more
Reviewed in the United States on February 14, 2025 by kronoset

  • Great small case
Style: A3 (Wood Front Panel-Black)
Wow, I have built my fair share of personal systems over the years and by and far, this was the best quality case I’ve ever used. Cable routing is good, I used an mATX board, full size Seasonic power supply, full sized GPU (RX 5700 XT), Noctua air cooler with one fan (smaller Noctua, can’t remember model) and everything fit fine. The power supply was the only odd thing since it mounted in front of the case instead of the back like I am used to. A bit of a puzzle to figure out based on the manual how it fit but Lian Li provides a bunch of adapters so different sizes of things can be installed. I thought the adapters were necessary so that threw me off until I figured that out. Only thing I didn’t add was two internal SSDs because frankly I didn’t need them and wanted to minimize my cabling. I am using an nvme drive so am good there. I did have to buy two additional Noctua case fans because there are none in this case but they are cheap enough. One on top exhausting and one in the rear, exhausting. The case is quiet, fits on my desk, the wood front looks great and it’s super easy to take the top or sides off if I need to. Recommended! ... show more
Reviewed in the United States on February 12, 2026 by Paul B.

  • Outstanding Case
Style: A3 (Wood Front Panel-Black)
This is an excellent case. My build includes: 1. MSI MPG B650I Edge WiFi ITX motherboard 2. FSP Dagger Pro 850 Watt PSU 3. Radeon 6700XT GPU 4. Arctic Case Fan Hub 5. Seven Be Quiet 120mm case fans, three bottom, three top, one rear. Assembly was mostly straightforward, except for mounting the PSU, which required some figuring out but was ultimately simple without additional hardware. I configured smart fan controls, so despite being an open case, it runs quietly. There's adequate space for a larger future GPU. The case features a fine bottom filter and elevated feet that help prevent debris like pet hair from entering. I appreciate the natural wood front, and the USB/audio connectors and power button. However, being an open case, it's vulnerable to spills and falling objects. The design is simple but high-quality, with easily removable side and top panels that fit tightly. I recommend this case. ... show more
Reviewed in the United States on July 27, 2026 by LudicrousSpeed

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