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Item#: 9SIA0AJ35C4528

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Small or big? Three 120mm fans (two front fans and one top fan), seven 3.5-inch HDDs and even high-end video cards. Still think it's small?

The LIAN LI PC-A04B is made of durable aluminum to provide superior cooling for your high-performance components. The case comes equipped with front I/O panel hosts of one USB 2.0 port, one USB 3.0 port, one eSATA port, and audio in/out jacks.

The LIAN LI PC-A04B offers space for two external 5.25” drive bays, seven 3.5” internal bays and 4 expansion slots, so you are able to bulk-up your storage or utilize high-end video cards.

  • newegg Small Case with Two 120mm Fans The two front 120mm fans intake and push cold air through the case in high volumes with low RPMs.
  • newegg Great Expandability with 9 Drive Bays Featuring two external 5.25" drive bays, and seven 3.5” drive bays, the LIAN LI PC-A04B provides great expandability.
  • newegg USB 3.0 Multi-media I/O Ports User can easily access USB 2.0, USB 3.0, e-SATA and HD Audio.
  • newegg Change the Module Racks' direction Up to seven 3.5-inch HDDs. Hard disks can face the right, left or backward directions.
  • newegg Switch the HDD Module Racks Either hard disk module can be on the top of the other, installed using anti-vibration thumb screws.
  • newegg 370mm Maximum Video Card Space Remove the HDD cage to access a 370mm long space for high-end video cards.

Learn more about the Lian-Li PC-A04B

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Lian-Li PC-A04B

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  • Jonathon W.
  • 3/25/2016 9:16:01 PM
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsSolid MATX case

Pros: Great build quality
3 included 120mm fans
Space for 7 3.5" HDDs
Thumbscrews everywhere
Dust filters on intakes

Cons: Included fans are a bit louder than expected
No 120mm rear exhaust, only space for an 80mm
Not a huge amount of space in the back for cable routing

Other Thoughts: Using this for an mATX file server that houses a server board, a low power i3, and 4x 3.5" drives. So far it's been going for about 2 years without any flaws. The plans are eventually to expand it to 8 3.5" drives and 4 2.5" drives, and the included bays give lots of room for that. Building was easy with all of the thumb screws and rolled edges, though the board I chose wasn't the best layout for cable management. Included 120mm fans push a lot of air, but for 24/7 use, I threw some spare low noise adapters on them to quiet them a bit. Would recommend a modular power supply for best cable management experience.

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  • Armando J.
  • 2/15/2015 8:46:46 AM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsAlmost Perfect

Pros: Nice aluminum and black finish. Very spacious for a mATX case. Pretty decent cooling and great looks. Tons of room for HDD's or extra long GPU's.

Cons: Rear fan should be 120mm, a few more millimeters for cable management behind the motherboard tray would have been great.
Also, some parts of the chassis are pretty thin and feel somewhat weak. My case started rattling when fully loaded with fans. I had to put a bit of foam tape between the case and side panels to reduce vibration. Also, a fingerprint magnet.
I know that was quite a mouthful, but overall these are slight issues that would not prevent me from buying this case again!

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3 out of 5 eggsTypical Lian Li quality but no internal USB 3.0 header?

Pros: Everyone loves the well made, well thought out, clean classic cases that Lian Li makes. This one has quite the flaw though.

Cons: Anyone who spends this much on a case, it should be elegant and well thought out. The USB 3.0 port STICKS OUT the back and then plugs back into your motherboard. This is 100% unacceptable, lazy and cheap of Lian Li. It makes the computer look cheap, like an after thought. "oh yeah, we have to put a USB 3.0 in it, and the header costs an extra dollar, forget that, just use a USB cable" . Weak. Unacceptable.

Other Thoughts: Their other cases have the internal USB header, so there is no excuse they didn't put it on this for for this price.

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  • Victor B.
  • 2/10/2014 11:17:51 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsNice case-Smallish

Pros: Aluminum - light. Can fit full size power supplies+++. Lots of room for disk drives. Space for 2 external drives. Comes with 3 X 120mm fans installed.
Well made.

Cons: Thought I could get a Cool Master Seidon 120M in the box. Fail. The only place to install a 120mm fan is in the top and there is not enough clearance between the fan and the radiator and the microATX motherboard - MSI-A88XM-E45 .

Other Thoughts: I think I am going to like the smaller size and light weight as I live with this build.

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  • Ben O.
  • 12/29/2013 6:06:54 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggstop disfigured

Pros: Lian Li's cases are my favorite for every type of build I do especially smaller builds, even for gaming.

Great overall quality except for one flaw, see cons

Cons: I have moved away from ever using this case again as it seems every single one I've received (over the span of a year) have bent corners on top.

The flat piece on top of the case has no support on the sides if there is ANY impact it seems to lift the edges like little wings about an inch on either side of the top, it lifts the aluminum up.

You'll notice in the picture it'll look different than what you receive due to this defect. I've had 8 with this defect. I attribute nobody else reporting it as an issue because it is fairly subtle and may be mistaken as part of the design.

Other Thoughts: this is the only case that has a real issue from lian li, other than them not giving full disclosure as to the PSU sizing in the itx cases.

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  • Erick M.
  • 11/25/2013 1:37:43 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsBest case I ever owned

Pros: This case is small and light. Witch is why I bought it, but more than that it is also very exesable. just unscrew four screw and boom you can take the, top off booth side the back the side mounted HardDrive slots everything that was hard to get too had an easy way around. Also to make it simpler most screws are thumb screws witch means less tolls :). Sic case.

Cons: I did have to remove one of the side mounted HardDrive bays to fit my GTX 660 Video card, and the ATX motherboard I purchased is a really tight when applying the screws. But all in all a good case and I purchased it because it is small so cant complain to much about a tight squeeze.

Other Thoughts: All cases should have top mounted USB and power buttons. Also this cause douse come with one USB 3.0 built in regardless of motherboard purchased. :)

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  • Burlen L.
  • 11/3/2013 8:59:58 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsanother awesome case

Pros: well build, beautiful finish
3 fans, and vents for PS air intake
supports full sized gpu
supports full size ps (i used 550W)
drive bays are reconfigurable
usb 3 support

Cons: none

Other Thoughts: when I started to put the system together I noticed that the drive basy blocked the sata ports on the rear of my mobo.

I found 2 solution to it. The drive bay can be rotated 90 deg, or you could use right angle sata connectors. My mobo even supplied two of these, but I settled on rotating the drive bay because it gave better air flow over the drive.

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  • Gaetan D.
  • 10/16/2013 5:20:21 PM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsVery good case, but old fashion and pricy

Pros: Really like that case, good construction and looks beautiful, as always with Lian Li.
Compact, but big enough to fit high end gaming components.

Cons: -Water cooling may be an issue.
-Rear fan is not 120mm, this is to me the biggest cons for that case, I add to mod it to fit a corsair H60 in the back.
-No USB 3.0 on front panel... kinda old fashion...

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  • Mr S.
  • 8/5/2013 7:41:30 AM
  • Ownership: more than 1 year
  • Verified Owner

4 out of 5 eggsGreat

Pros: Great built. Nice design. Comfortable to work with. Inside stays clean with air filters.

Cons: Expensive. The price is ridiculous

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  • Alex L.
  • 7/6/2013 3:49:59 PM
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsVery good, but not great

Pros: Easily the lightest case I've ever built with. I almost threw it out of the box when taking it out because it's so light.

Anything that can be aluminum is aluminum, even the front panel. It doesn't need to be unscrewed, either, it just pulls out from the front, making cleaning the fan filters very easy.

Front LEDs aren't too bright.

Tons of included screws. Like, dozens. Also came with a speaker, and (curiously) a few zip-ties, which few cases these days do.

All of the hard drive mounts have rubber grommets. You can probably fit 8 3.5" hard drives in this case. There are 3 places to mount 2.5" drives as well. The trays rotate several different ways and can be used in several different combinations, which is also very convenient.

The 3 included fans are quiet but also move a lot of air. My hard drives are all sitting below 30 C. They are all 3 pin and came with molex adapters too, which was nice.

Cons: Because it's so light, I felt like I was going to break it if I put it down too hard.

No cable management. I was able to route a fan cable and the 12V CPU power cable behind the motherboard tray with some extreme persuasion, but that's it. Everything else is in a lump between the power supply and the hard drive bays.

I've never seen such flimsy side panels - probably not much thicker than a soda can. So don't bend them. They also reattach in a weird way: down, in, and then slide. The hard drive cages are similarly thin. I filled the upper cage with four drives and it wobbled quite a bit before I secured it inside the case.

I would like to be able to mount all of the drives parallel to the airflow, but you can only do that with the bottom bay. The top bay won't slide in if it's parallel.

Fingerprints show very easily, especially on the unpainted parts.

Other Thoughts: I ended up paying $40 for this case after a sale, a discount code, and a rebate, which is a steal. Aluminum isn't cheap and this is an excellent case for that price. But for the regular price, explore your options first.

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Item#: 9SIA0AJ35C4528
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