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  • Standard Case
  • With Optional USB 3.0 PANEL
  • With Optional Ventilated Bay Covers
  • With Optional 120mm Top Cover
  • Cable Side Ventilated Door
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  • Optional XL Window
  • Motherboard Side Ventilated Door
  • Solid Door
  • Bottom Chassis 120.4 Integrated Mount
  • Bottom Chassis 140.3 Integrated Mount
  • Top Chassis 120.4 Integrated Mount
  • Top Chassis 140.3 Integrated Mount
  • Top Chassis "Drop-In" Mount (Mounts Sold Separately)
  • With Optional 120.4 Drop-In Mount
  • With Optional 140.3 Drop-In Mount
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  • PCI Backplate  -   Hex-Mesh (left)   Fan Hole (right)
  • Color Options
  • White Matte
  • White Matte
  • Merlin ST10 shown with black interior and white exterior
  • Merlin ST10 shown with black interior and white exterior
  • Merlin SM8 in Gunmetal
  • Merlin SM8 in Gunmetal

Merlin SM8 Case

Calculated at checkout
Use to specify two tone color scheme if selected :

Product Description

Have a question? Just email us at

Important Please Read:

If you are unable to retrieve a shipping quote for your country please click here**

*This Case is shipped Flat-Packed as default for all International Orders. If you would like the case shipped Fully Assembled, please contact for a Shipping Quote.

* If the two tone option is selected, please specify which parts of the case are to be painted with each color. It is okay to specify the parts for one color with the assumption that the remaining parts are to be the other color.

* The Merlin Pedestal design allows them to be mounted on top of or underneath the case. They are stackable as well. When mounting above, the case will need to be taken apart.

Merlin SM8 Case Features:(click the links below for full desrciptions)



Size:  22.44"H x 11.18"W x 22.38"D (570mm x 284mm x 568mm)*
Radiator Clearance (Top/Bottom)  114mm
Cable Clearance Behind The Motherboard  1.5'' (38mm)
Form Factor: mATX, ATX, **E-ATX, SSI-CEB MB tray size; 12.38" x 10.75" (315mm x 273mm)
Expansion Slots:  8
Flex-Bays (5.25" bays):  11
Native HDD (3.5'') Capcity:
 2 (14 using Optional MAC-102 HDD Cages)
Native SSD (2.5'') Capcity:  2 (30 using Optional MAC-102 HDD Cages and MAC-124 SSD mounts)
Maximum Radiator Sizes:  120.4(480) / 140.3(420)
Cooling Tower Clearance:  180mm
PSU Locations:  2
Weight:  20.5 lbs. (9.3kg)

Note: Exterior dimensions shown are for the case only. Rubber feet add .75’’ (19mm) to height, optional standard casters add 2.6’’ (67mm) and HD Casters add 3’’ (76mm)

** "E-ATX" motherboards such as the ASUS RAMPAGE V EXTREME will fit in this case. E-ATX motherboards such as the Supermicro H8DG6 will not fit in this case. Please cross reference the motherboard tray size with the motherboard dimensions from the manufacturer.



Standard and Optional Case Features and Accessories:

  Standard Features and Options
Optional upgrades
Top cover  Ventilated and Solid  31mm Ventilated and 120mm Ventilated
Motherboard Side Door  Ventilated and Solid  XL Window 
Cable Side Door  Ventilated (not the same ventilation as the MB door) and Solid  NA
Integrated top radiator/fan mount     

 120.4 (480), 140.3 (420) and Solid

Drop-in top radiator/fan mount     
 NA  120.4 (480) 140.3 (420)
Integrated bottom radiator/fan mount   120.4 (480), 140.3 (420) and Solid  NA
Rear Fan mount
 120mm Hex-Mesh and 120mm Fan Hole with 3x 40mm fan holes (40mm fan holes include a cover)
I/O Panel

 USB 2.0 / Friewire / Audio

 USB 3.0 / HD Audio

 3 Triple bay cover and 2 Single Bay Covers - Solid

 3 Triple bay cover and 2 Single bay covers - Ventilated

Flex-Bay 5.25 bay Mounts 
 4 sets standard (MAC-125) no substitutions
PCI Covers  8  NA
MISC Hardware  MB standoffs, Tie Wraps, Exterior Plugs and Grommets, Spare parts  NA
Case Color  Black or Primer Gray (Primer Gray is not a cosmetic Finish)  White, Gunmetal or Two Tone
Case Orientation

 Standard or Reverse  NA


Product Reviews

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Showing reviews 1-10 of 39 | Next

  1. Would give more stars if I could

    Posted by sociopath on 14th Dec 2014

    I read many reviews, looked through build threads and watched many videos before deciding to buy this case. The build quality is insane, options almost endless, expandability unrivaled and in my opinion a beautiful package.
    If you want a top quality case, like the style and have the money to spend. Stop thinking about it and just buy the thing. It's not possible to go wrong with anything that has a Caselabs logo on it.
    I don't have the room or the funds, but I already want another case just so I can build another PC that I don't need. Now that I think about it, I almost have enough parts to build another system....

  2. the best

    Posted by Unknown on 12th Dec 2014

    No one makes a better case. Seriously. No one.

  3. It will put a smile from ear to ear on your face!

    Posted by Nicholas Hansen on 1st Jul 2014

    I really can't fully explain my feelings about my SM8, at least without sounding like an overly enthusiastic little kid!! Just like the title, it literally put a huge grin on my face the moment I opened the box and still does even weeks later after ive finished my build. The quality, style, modularity and customization, accessibility and provisions are of the absolute utmost appraisal. Just the feel of the powder coat finish, the superb two tone paintjob provided exactly how i asked, and the weight in perfect balance from all aluminum construction make the case boast convenience combined with durability perfected. it truly is one of a kind. You purchase this, and you will never need another case again, GAURANTEED!

    For my planned build, the complexity of my cooling system was very high, and throughout the process my plans were constantly changed and many unexpected problems arose. With a normal case, this would have created delay after delay, and constant frustration... But due to the insane level of customization and features of Caselabs, I was able to just "go with the flow!" Power supply in the way? no problem. Had a coolant leak? no problem. Not enough cable or storage space? no problem!! its awesome!!

    Id also like to mention their customer support was also outstanding as well. KC swiftly and speedily answered and even encouraged every question I had as they truly desired my full satisfaction.

    Seriously, if you are even remotely considering ANY Caselabs case, BUY IT! You will not regret it.

  4. Excellent case !

    Posted by Unknown on 8th Jun 2014

    This is the best case I have ever owned (and the first Case Labs one !, I owned up to now mostly Cooler Master and Lian Li cases...). Manufacturing is incredibly precise and mouting the case is flawless, (shipped flat-packed, I mounted the SM8 in maybe 1 hour, assembly guide is very clear with many pictures of each part). Doors could be a bit easier to open (on my mount, you need two hands to open a door). Apart from that (but you don't open your case doors very day), everything else is perfect. Space and cooling is incredible and even more since you install flex bays and device mounts only where you need them... Case is of course very modular and offers many configuration options, especially for fan and radiator placement. Finally, support is very professional.

  5. Pure Love...!!

    Posted by B3L13V3R on 15th Mar 2014

    People must think these review are from CASELABS employee and owner relatives. I mean, there is NO way that I could write a review without 5 starts for this case. I bought the Matte White / Black interior and WOW... just amazing quality. I almost had more fun assembling the case than I did the system.

    It's perfect for custom water loops and there are so many configurations. For example I originally ordered the case as inverted (upside down mobo) and I really wanted that to work, but I just couldnt get past some of the challenges I had with my own gear. So I just flipped it to a traditional layout. I had no idea I could do that until I started looking at it and notices that everything was standard. PERFECT!! Because when I want to rebuild the system and upgrade/change out my rig, I have the option to flip the case again to inverted.... what other cases can do that??!!

    I am SUPER stoked with this case... These cases are like thier own little system, an erector set with style and purpose!

    Pre-sales service was phenomenal. I got answers on the same day, usually within hours. They had a question for me and it still didn't delay the order.

    I only hope they never get too much bigger so that this boutique level of quality and service never gets watered down.

  6. amazing case

    Posted by Unknown on 13th Mar 2014

    Great build quality and lots of room and flexibility. I got the geezer paint job- black exterior. White interior ( as you get older, it is harder to see in low light conditions, particularly against a black background).

  7. I'm not so sure...

    Posted by B3L13V3R on 26th Dec 2013

    ...that there is a better case in production from a quality standpoint. Now, many folks are not in love with the industrial look and feel of Caselabs, and I suspect that once they have the resources, they will blow us away with fancier case styles.

    But even if they don't, they will a have a legacy UNMACHED by anyone in the case market.

  8. SM8 Water Coolers Dream

    Posted by Antony J on 30th Nov 2013

    Caselabs SM8 is a fantastic case. Love the design. Easy to put together. You have many options with this case. For me I bought it specifically for watercooling. Getting that 60mm thick 480 in the top in push/pull sold me straight away. But also having the option with the 360 flex bay option was the icing on the cake. Great case, well worth the international shipping to Australia.

  9. last case you'll ever buy

    Posted by C. on 2nd Nov 2013

    you'll forget about the price seconds after opening the box. every complaint I've had about other cases through the years seems to have been addressed here, specifically:
    -flexible-bay mounts
    -mobo tray
    -cable mgmt.

    My only complaint would be the snap-in style top/front panel mounts, several of which were worn/damaged on arrival. they include half a dozen spares and are easily replaceable so its a non-issue for me.

    I'd like to see caselab's take on hotswap or rail-type bay mounts as well, but I realize most people will be using rads in the front anyway, so thats probably just a pipedream.

  10. High-end housing on top!

    Posted by lozano on 30th Oct 2013

    with a case like merlin SM8 it offers a very good chassis, sufficient ventilation and quiet, lots of space and integrations that are more than interesting and above all possibilities. In short, a very good case!

Showing reviews 1-10 of 39 | Next

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