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Silverstone > 
Item#: N82E16811163239

SILVERSTONE Black Aluminum / Steel ML04B Micro ATX Media Center / HTPC Case

  • Aluminum / Steel
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The SilverStone ML04 micro ATX case combines slim form-factor dimensions with the great expandability you can only get from a larger chassis. It has a profile of 105mm height and 350mm depth, making it extremely easy to integrate into any living room furniture. Incredibly, this case can accommodate up to three 3.5in. hard drives or five 2.5in. HDDs/SSDs through its smartly designed drive cages that can mount either size without any use of adapters. The distinguishing feature of the ML04 is its lockable aluminum front door with a LED dimmer that adds not only security, but also improves its integration into home theater environments. For those looking to build an HTPC with good expansion and cooling capabilities, but with a limited space and budget, the SilverStone Milo ML04 is a second-to-none choice that you cannot miss out on.
Key Features
front back
  • Supports up to four 80mm fans
  • Drive cages with multi-purpose mounts eliminate need for adapters
  • Easy to install and cable route
  • Supports standard PS2 (ATX) power supplies
  • Supports low-profile expansion cards
  • Incredible 350mm depth to fit comfortably inside home theater cabinet
  • Lockable front door and power button ensure security of system and drives
  • LED indicator with adjustable brightness

Front I/O ports with USB 3.0

IO panel
LED indicator with adjustable brightness indicator

Lockable front door

front door

Lockable power button

power button

Plastic foot stand

foot stand

PSU filter

PSU filter
Box Contents
box content


Learn more about the Silverstone ML04B




Micro ATX Media Center / HTPC Case
Case Material
Aluminum / Steel
Motherboard Compatibility
Micro-ATX, DTX, Mini-ITX


External 5.25" Drive Bays
Internal 3.5" Drive Bays
Internal 2.5" Drive Bays
Expansion Slots

Front Ports

Front USB Ports
2 x USB3.0
1 x audio
1 x MIC
Front Display


Support up to four 80mm fans

Drive cages with multi-purpose mounts eliminate need for adapters

Easy to install and cable route

Support standard PS2(ATX) power supplies

Support low profile expansion cards

Incredible 350mm depth to fit comfortably inside home theater cabinet

Lockable front door and power button ensure security of system and drives

LED indicator with adjustable brightness


8.82 lbs.

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Silverstone ML04B

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  • Peter D.
  • 6/28/2014 2:43:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

4 out of 5 eggsNice, Compact HTPC Case

Pros: Fits in a tiny cubby in my Ikea entertainment center. It doesn't draw attention to itself, or even look like a PC with the front cover closed. Build quality is pretty decent for the price. It's small for a MicroATX case. The super slim cases like this are often Mini-ITX only.

Cons: Having both a normal sized power supply and an optical drive in this thing at the same time is a very tight fit as the optical drive backs up onto the power supply. It also won't take full sized PCI/PCIE cards, but something had to give for the case to be as slim as it is. Onboard video is so good now, you probably don't need a discrete video card for an HTPC these days anyway. Pick your CPU cooler carefully. Many will be too tall. I'm using a Cooler Master GeminII M4, which just barely fits under the support bar that goes diagonally across the top of the case.

Other Thoughts: Overall I'm pretty happy with it. It seems like a good value for the price.

HTPC Specs: AMD A6-3650 APU, 8GB Kingston HyperX DDR3-1333, ASUS F1A75-M PRO, 120GB Kingston HyperX SSD, PC Power and Cooling 400W Modular

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  • Paul Z.
  • 6/10/2014 9:38:35 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsawesome slim form factor

Pros: fits my large 630 watt 80 plus certified psu, and only a little bit snug with my asus blu ray burner. has a slot for a solid state disk.

Cons: a little cramped but that's to be expected with something this small. I felt like they definitely could have fit a second 3.5" bay stacked underneath the current one or something... but my 3tb standalone is plenty for now. grabbed an external portable 2tb so I can bring stuff to friends houses.

Other Thoughts: fits my axp-200 thermalright cpu cooler without the metal bar that fits across the top in there, intaking air because it is so close to the top vent. it would not fit a larger fan with this heatsink because it comes with a slim 140mm. only using one 80mm fan on the side is enough. you have space for 4 but I wouldn't recommend it because it'll get a little noisy and also I would've had trouble fitting them in there.

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  • Jason P.
  • 5/20/2014 10:53:52 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsFirst HTPC Build

Pros: Beautiful. I bought this for my first HTPC build and spent about a month looking at cases and eventually narrowed it down to the Silverstone brand, and eventually to this particular case.

It is simplistic and attractive, looks awesome on my TV stand with the rest of my components. It is about the size of my DVR cable box from my cable company, but ten times better looking. Has a lock on the front but is not a large obnoxious silver key lock, it is smaller and more cosmetically appealing.

Well built and perfect size IMO; accommodates a standard ATX PSU and 5.25 external bay drive, while still being relatively small in size. Some people are swearing that they could not use a standard ATX psu and a 5.25 drive. I purchased the Corsair CX500M semi modular ( and a standard Asus blu ray drive (

I did not have room to spare per say, but I took my time and managed cables as best as possible and in the end, everything fits without pinching or bending anything and I am happy. The fan is on the bottom of the PSU, there is no ventilation on the back, so having the blu ray drive close to the back of the PSU is not restricting any airflow. I think the buying the (semi) modular PSU helped because I could choose at least where some of my connections plugged into.

The front panel that folds down is great; it hides the 5.25 external bay and all the front usb/audio connectors that looks hideous on most cases.

Great price also. I would buy it again in a heartbeat.

Cons: There were a few cons with this case, but easily remedied. If I read the manual front to back before I started I may have avoided some, but I did not.

The first was the "bracket" near the front of the case. It seemed like the only logical place to place my SSD, it fit perfectly on top of it and the screw holes aligned.

However, there is no way for the ATX power connector to plug into the motherboard with this bracket installed. (it comes installed). I used a standard (semi-modular) ATX PSU, I have never used anything smaller, so I dont know of the ATX power connectors are smaller, but the amount of wires needed for the plug makes it impossible for the bracket to stay in.

I took it out, and then had to find a home for my SSD. I finally cracked open the manual and it shows a spot underneath the 5.25 bay, next to the PSU on the bottom of the case, where you can mount it. This is where I had all the excess cabling, so it made it a little difficult, but I spent some time and all said and done, it works.

The problem is, is that this location is only 1/8 of an inch AT MOST off the bottom of the case. And because the SSD is mounted upright (you have to screw it in from the bottom) - the PSU connection on the back of the drive is upside down of what you would want. There is very little room for the power cable when mounted this way. My PSU came with "L" connectors, so they are not straight out like the sata cables were. If they make 'straight' power connectors that would have made it much easier.

I ended up just bending the wires back before connecting it, and it seems to be OK. I was worried about it putting stress on the power connector on the back of the SSD but the cables were stiff enough to stay bent so it should be OK.

I read that this case can support up to (4) 80'' mm fans - I bought two, and when I first opened up the case it took me a minute to figure out where 4 would fit. There is room for 4, but they are all down one side (the shorter side) of the case. I was hoping to put one fan on one side and one on the other as a push/pull setup to move air through the case. Having to put all case fans on one side does not allow me to do that.

I was then hoping to be able to put the fans exactly where I wanted them since the entire side of the case is "vented" with circles the size of screw holes.

There are only 4 places you can put the fans however. Imagine if you had 4 fans installed, they would be all butted up right next to eachother. These are the only 4 spots you can mount them. I did not want the fans on the far outside edges because one would be blowing air past my RAM Dimms and end up under my Blu Ray drive and not really make much circulation for my CPU.

Instead I put them both on the 'inner' positions, right next to eachother, one intake and one exhaust. The exhaust is directly next to my CPU, and the CPU fan blows down onto the heatsink, so it sucks the hot air out and the fan next to it blows air in.

Other Thoughts: Even with the few glitches I had, I would buy this case again in a second. It was my first HTPC and it was fairly effortless and it's functional and beautiful. Well worth the money. Very glad I went with this case.

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  • Marco M.
  • 4/13/2014 8:07:01 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat HTPC case

Pros: Very nice design. Didn't have any issues with the door magnet or spacing with DVD/Blu-ray drive and power supply. I think it's ideal for a minimal fan HTPC, which was my purpose. Amount of included screws was very welcome, far beyond what most people will need and I thought was a nice little bonus. Adjustable front LED brightness was also much appreciated. Very stiff case, feels high quality

Cons: The logo is a bit large and clashes with what is otherwise a very nice looking front panel. I understand a company wanted their logo displayed but you don't need to advertise to my empty living room.

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  • Ryan W.
  • 3/24/2014 12:10:56 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat HTPC case!

Pros: Looks great! Build quality is good.

Cons: Not much other than cooling everything quietly could be a concern if you have a powerful system. My only wish would be for an IR window.

Other Thoughts: If you are looking for an HTPC case that looks good and is functional, definitely give this a look.

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  • Michael D.
  • 3/3/2014 6:06:46 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsFantastic small HTPC case

Pros: Sleek look with "blank" , flat panel. Lockable power button. Dimmable Power LED. Takes up to 4, 80mm fans. Uses standard ATX power supply. Front USB3.0 ports. Case is well-ventilated. With low-power setup, you could get away with no fans. Filters for PSU and intake vents over CPU.

Cons: The magnets that are supposed to hold the cover closed don't work at all. Must lock door with key if you want it closed. Minus half a star. Key is cheap plastic. Only comes w/1 key. Top cover is flimsy and can be difficult to put on. If using a full-size DVD/BR drive you MUST use a 90-degree SATA cable and SATA power cable. There is literally 1/2" of room between the PSU and the rear of the DVD drive. You'll have to attach the cables to the optical drive and THEN mount it in the bracket. This is well-documented in the user manual and online reviews, however.

Other Thoughts: A modern case with modern features, perfect for a single or dual HD HTPC. It is cramped inside, even if using a Mini-ITX MB; but this is expected with a small, 2U-size HTPC case. Well-worth the trouble, though.
READ THE MANUAL and check online reviews before you buy this case! The above are not kidding about the length restriction on the PSU if using a full-size DVD drive. Put SSDs and 1 quiet 80mm fan on rubber mounts and you've got a silent HTPC.

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  • Jeffrey H.
  • 2/24/2014 6:56:02 PM
  • Tech Level: High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGreat Buy

Pros: Perfect for an open entertainment centers with young children in the home. Easy access open design, fair amount of working space for its size. Design allows for multiple hard drives for optimal storage. Locking front panel, locking power button and power LED dimmer to not attract attention sleek & inconspicuous.

Cons: Only one that seems relevant is that the Optical drive and the power supply are on the same side "back to back" so to speak. In other words you may need to be aware of the size of PSU that you are installing (if installing a disc drive). Also don't consider a modular PSU this will likely not work. Depending on your motherboard you should be sure that your 4/8 pin power wire is long enough to reach the distance.

Other Thoughts: The case didn't come with the USB 3.0 to USB 2.0 converter like the old model did.

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  • Kevin A.
  • 1/15/2014 8:44:18 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month

4 out of 5 eggsSleek little box

Pros: Looks great, well vented

Cons: really bright LED with the front folded down, cant fit full size ATX PSU and Drive.

Other Thoughts: 1.) As others have said, you cant fit an optical drive and a full sized ATX PSU in this case. not really a big deal because I wasn't going to put a drive in it anyways. They do sell thinner PSUs.
2.) I was planning on putting a USB dongle for a wireless keyboard in the front (its the really small/thin dongle) but the door wouldn't close with it in there so I had to put it in the back.
3.) The front USB 3.0 to MOBO cable is really stiff. it is at an awkward bend with all my gear (arranged very cleanly) in the case. this could cause a problem in the future maybe with bending the pins on the MOBO or just coming unplugged.

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  • Nicholas P.
  • 1/2/2014 3:08:10 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsLove it!

Pros: Very sleek and professional looking on the outside. I like the included, magnetic, dust screen for the topside of the case.

Cons: Cable management is a bit of a nightmare. Although this is a smaller box so as size goes down cable management gets tougher.

Other Thoughts: I really love this box. If you look at the inside it is a bit ugly since everything is a tight fit, cables are everywhere lol. I ended taking out one of the hard drive mounts since I am only using one drive. This freed up some extra space for me to kind of congregate all of my wiring. Lucky for me, I am the only person that would ever look at the inside of the box. Everyone else is very impressed at the sleek appearance of it. Overall a very nice enclosure for the money. If I made another HTPC I would buy this same enclosure to put it in for sure.

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  • Zurab D.
  • 12/8/2013 11:58:11 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

2 out of 5 eggsMeh

Pros: - the case has a nice front cover with the power button exposed (see below in cons)
- enough space to comfortably fit CPU, memory, expansion cards
- takes PSU of your choice, but probably not when both optical drive and PSU are full size

Cons: - arrived with the power button (yes, the button itself) not working; there's no visible damage to connectors or the button itself; I switched the connection to motherboard around with the reset button and this works; probably not worth the RMA and paying for shipping for this, but it's very annoying that I have a new HTPC build starting out defective
- it seems the front hard drive location was an afterthought; while the mount takes the 3.5" drive, it conflicted with 24-pin cable for me - I had to leave the bracket out altogether
- in another review Silverstone rep suggested buying an SFX form factor PSU from Silverstone (which is what I did also); if you do so, check the length of the 24-pin cable to your motherboard - it was barely enough for me, allowing no room for cable management

Other Thoughts: - this case is big, and given the size it feels like the some space is inefficiently used on the inside
- it seems Silverstone should test their own components together - e.g. the length of the PSU power cable
- I didn't buy the cheapest case on the market, I should expect some QA to make sure buttons work before the product is shipped

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Item#: N82E16811163239
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