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🔥 Elevate your build with the Lian Li A3 — where sleek design meets powerhouse cooling! 🖤
The Lian Li A3 mATX Compact Case, designed in collaboration with DAN Cases, is a premium aluminium chassis tailored for Micro-ATX and Mini-ITX motherboards. It features optimized airflow with perforated panels, supports extensive water cooling setups up to 360mm radiators, and includes a front USB 3.1 Type-C port for modern connectivity. Its tool-less design and spacious interior make assembly effortless, while the sleek black finish and tempered glass panels deliver a professional, stylish look perfect for high-performance gaming or workstation builds.




| ASIN | B0D4VLZXSS |
| Antenna Location | Gaming, Workstation |
| Best Sellers Rank | 3,295 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 9 in Computer Cases |
| Brand | LIAN LI |
| Brand Name | LIAN LI |
| Case Type | Mini-Tower |
| Case type | Mini-Tower |
| Colour | Black |
| Compatible Devices | ATX, Micro-ATX, Mini-ITX motherboards, standard ATX power supplies, full-size graphics cards, 3.5-inch hard drives, 5.25-inch optical drives, 10 fan mounts |
| Cooling Method | Air |
| Customer Reviews | 4.5 out of 5 stars 312 Reviews |
| Enclosure Material | Aluminium |
| Global Trade Identification Number | 04718466015624 |
| Hard Disk Form Factor | 2.5 Inches |
| Internal Bays Quantity | 3 |
| Item Dimensions D x W x H | 44.3D x 19.4W x 32.2H centimetres |
| Item Highlight | Compact Aluminium micro ATX computer case, water cooling compatible, USB 3.1 Type-C, black desktop tower for PC builds |
| Item Weight | 5.05 Kilograms |
| Manufacturer | Lian Li |
| Manufacturer Part Number | A3-mATXBlack |
| Material | Aluminium |
| Model Name | A3 |
| Model Number | A3-mATXBlack |
| Motherboard compatibility | Micro ATX |
| Number of Fans | 10 |
| Number of Items | 1 |
| Other Special Features of the Product | Water Cooling Support |
| Power Supply Mounting Type | Bottom Mount |
| Product Warranty | 2 year manufacturer |
| Recommended uses for product | Gaming, Workstation |
| Supported Motherboard | Micro ATX |
| Total Expansion Slots Quantity | 5 |
| Total USB 2.0 Ports | 2 |
| Total USB 3.0 Ports | 2 |
| Total USB Ports | 3 |
| Unit Count | 1.0 count |
J**B
A great mATX case
Looks: I’m my opinion, this is the one of the best looking mATX cases on the market. I’m not big on LEDs and prefer subtle looks and this case nails that. Compatibility: The case is surprisingly roomy, however, if you’re fitting high end parts in here be prepared for a fight. It’s a bit fiddly getting the PSU mount in the right place and it took a lot of trail and error to fit everything in. For reference, I’m running a RTX 5080, Ryzen 7 9800x3D and a 360mm liquid cooler. I did have to swap out the fans on the CPU cooler to slimline ones though and I would also suggest running these throughout the build to save space. Noise: The case is surprisingly quiet, sometimes I can’t even tell whether my PC is on or not and it’s sat on the desk right next to me! Airflow: For my needs the airflow is more than adequate, I’m not going to be overclocking and the temperatures are very good, much better than my old setup. Functionality: While it’s not the smallest case on the market (and certainly not console level) I think it’s the perfect size and very light and easy to move around. I will be sticking with mATX in the future.
A**R
Elegant, capable, cool and quiet
A bit different to build than a traditional tower; but excellent airflow and cooling. Look amazing too with 7 x 120 RGB fans. With the solid faced version (not the wood) bear in mind that it's solid plastic, so you can't rely on front air intakes like regular cases. I ended up going for a rising column airflow setup and I'm getting average case temps of 37C. Super cool... literally! This has allowed me to dial back the fan speeds for productivity and music, but know I have them in reserve for heavy workloads or AAA title gaming.
S**G
Unbelieveable compatiblility for it's size whilst also looking pretty nice.
So this case is in a really good spot in this market, quite compact, decent front IO, amazing airflow, compatibility with hardware cases near this size struggle too have whilst also being cheaper. Now you may disagree with this but I love this cases design though I wish the front panel and the glass panel was more broadly available so I can up it's looks since I got the cheapest one. And obviously since it's a cheap case you'd think it'd be wobbly but no! Without any hardware inside it's quite sturdy and with hardware it's like a breeze block (but a bit more functional than one) Though I do love this case I do have too remove a star for some things I can probably fix myself and with it's price point I can't complain. I wish the side panel had an air filter because I am forced with my setup too have it on the floor or with no arm movement and as you can see in the video I have carpet which is no good. And a nice plastic shroud that could hide the cables which I put in focus under the power supply would be up most appreciated especially since it's probably super easy too 3d print that. Though the functionality with this case has me baffled with how small it is, if I wanted too I could put a 4090 in here or if you push it MSI 5090 or maybe an asus astral 5090 thought I checked in my case 2 minutes ago and it's very close so double check that yourself if you're going too attempt that!! My last thoughts on using this case for the past 7 months? Great price great performance if you want it and you can fit your hardware inside it get it!! (also don't forget how you can fit ATX and SFX power supplies inside of it I really love that addition)
G**N
Nice Case
Honestly had a blast building in this case. Easy to open up lots of options for mounting ssds and the power supply. Alot of space for cables and overall just a fun case to build in.
H**S
good value for money
very happy with this case all panels toolless good ports front io has 2 usb a one c and 2 3.5mm audio jacks one headphones and one mic. i think it was a good price u get good space for the form factor very good airflow. if u have a big gpu but want a small case this is for u ps. the wood frame i got separately
J**R
Nice upgrade
Smart case, son loves the upgrade and says it now deserves ro be on the desk rather than under
A**.
Perfect for what it is intended for !
Perfect case due to its minimal look and small form factor . Try not to use a 360mm aio with a full sized atx psu as it can be quite a tight fit and can really put alot of stress on the aio tubes . Can also be difficult to manage 360mm aio tubes if your gpu fits into the first expansion slot on the case right under the i/o but that somewhat depends on the aio that you are using. Overall brilliant case, but best to use a 240 mm aio or an air cooler as it will make the build much easier and will be less costly as you wont need to spend extra on an sfx psu .
R**Y
A beautiful case - but missing a few QoL items
I'll start with the Cons: There are no indicator LEDs in this case, this does not affect its function, but, if one has elected to not have their eyes seared by a multitude of RGB lights etc. in their build, there is no way to be sure the PC is switched on until the POST is complete... There is also no reset button (which was obvious from the illustrations, but still worth a mention, just in case! Cable management is virtually non-existent, so liberal use of cable ties is needed to maintain good airflow within. And the Pro's - of which there are many. (So I'll lazily list the best features) Build quality is excellent, as is the finish of all panels. The case is a dream to take apart and reassemble, panels clip off, and the top is held by 2 thumb screws. When assembled the case is very rigid, despite the panels being relatively lightweight. I built with a Mini ITX motherboard, which was an easy fit, the internal cables were long enough to reach connectors on the board, but only just with the internal USB cables, I would think that, if using a Micro ATX board those cables would be far more relaxed and easier to manage. Airflow is surprisingly good when using a 360mm AIO cooler, even without any other additional fans fitted. For fun I have put my AMD R7 7800X3D CPU and Radeon 7900XTX GPU in, the GPU runs cooler in this case than in my full tower - indicating I need to look into airflow with that case! Minor gripes aside, I think this is a great case, it is easy to build in, with some versatility in PSU mounting and has space enough, and sufficient airflow, to cope with a 3 slot full-size GPU. Lian Li have produced a very good case, at a reasonable price, worth buying, in my opinion.
O**I
Very good
Very good case, but you need to plan in advance as it uses mostly smaller parts I used standard size psu and it worked, but would need to replace it with smaller size once I upgraded the gpu to newer 50 series.
A**A
Perfecta!
Vino rápido y la caja en buen estado. Es preciosa. Buscaba una caja mas pequeña y esta cumple con las expectativas. Aunque es pequeña de altura es larga de fondo. Pero eso no es ningún problema.
A**M
Perfect micro-form case
Quality is very good
M**C
Ottimo airflow ed estetica sobria: brava Lian Li
Case perfetto per chi cerca un cabinet con ottimo airflow ed estetica diversa dalla moda "fish tank" che oggi imperversa (e che non mi aggrada particolarmente). Lo spazio interno consente configurazioni anche di alto livello poiché permette di utilizzare alimentatori ATX standard senza limitazioni, dissipatori ad aria di altezza generosa (165mm) o AIO fino a 360, GPU di fascia alta fino a 415mm. Se proprio vogliamo trovare dei difetti: manca il pulsante di reset; il frontale )in plastica) è realizzato in materiale dall'aspetto un po' "cheap" rispetto all'ottima lamiera traforata usata per il resto del case, inoltre sempre il frontale è chiuso al passaggio dell'aria (l'airflow non ne risente però, basta cercare il video review di Gamers Nexus). A chi proprio non sopporta il frontale chiuso, suggerisco la versione con frontale "wood" (aperto all'aria). In sintesi, case promosso a pieni voti per me!
S**N
Un très bon micro ATX au faible encombrement et a la qualité top
Venant d'un Shift evolv XT en mini ITX, je souhaitais un boîtier micro ATX offrant juste ce qu'il faut de plus en place a l'intérieur pour permettre un meilleur refroidissement que celui offert par la configuration "sandwich" (cm et alim d'un cote Dos à dos avec le GPU de l'autre côté) tout en prenant un espace hyper restreint sur le bureau. J'ai envie de dire mission réussi pour ce boîtier. Ma RX9070xt est très bien ventilé comme mes composants ITX. Alors si la cm et le GPU se sont montés facilement, j'ai un peu plus galéré sur le montage de l'adaptateur de l'alimentation au format sfx. Mais c'est surtout dû a une notice peu clair. J'avais regardé des vidéos sur ce boîtier avant de décider mon achat, et le seul reproche qui lui était fait, c'était sa faible capacité en cable management.... Bah je confirme, il fait a ce moment là, payer son faible encombrement. En effet les possibilités offertes pour le câble management sont hyper restreintes et peu concluantes. C'est vraiment ma seule déception, car pour le reste il est vraiment a la hauteur. Il est très bien fini, la visserie est de qualité, et l'emballage était au top. Pour finir je précise que je lui ai rajouté la façade vitrée (29e de mémoire) qui s'adapte à la perfection et qui rend vraiment bien. Un micro ATX proche de l'encombrement d'un bon mini ITX mais qui ventile mieux.
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