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ASRock M8 Mini-ITX Barebones Gaming PC Review

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Some of us love compact gaming builds, but the best of these have always been pre-configured into custom enclosures. Is ASRock’s M8 the perfect open-architecture alternative? We load this $550 barebones up with hardware and test its mettle.

ASRock M8 Mini-ITX Gaming PC

Flipping the case around from our cover photo, we see that ASRock's M8 is actually an upside-down tower. The benefit of this design is that most of its cables will be closer to the desk. You didn’t plan on putting this on the floor, did you?

A pop-down panel up front fills the space between the main chassis and one of its handles, exposing a USB 2.0-based flash media interface, along with microphone and headphone jacks. Four USB 3.0 ports above it are always exposed and improperly color-coded to visually blend in.

The M8 top panel features two 70 mm fans behind a fractal-pattern grill. A lock towards the rear secures magnetically-attached side panels.

The M8’s base repeats the pattern on top, holding two more 70 mm fans.

Though it has two slots, the M8’s rear panel can hold a single card up to 1.7” thick with all bays filled. We found an additional ¾” of GPU cooling space available without drives in its two closest drive bays, though a mounting bracket protrudes 3/16" inward from the slot brackets. Drive thickness and GPU cooler design dictate how far we can overstuff this area of the case.

ASRock similarly quotes an 11.4” card length limit, although we measure 12.5”.

Thomas Soderstrom
Thomas Soderstrom
Thomas Soderstrom is a Senior Staff Editor at Tom's Hardware US. He tests and reviews cases, cooling, memory and motherboards.
59 Comments Comment from the forums
  • rolli59
    Definitely only reason to purchase is the style.
    Reply
  • lpedraja2002
    The old saying that hot air rises is usually true because it's less dense. To take advantage of this phenomenon, I flipped the bottom exhaust and top intake fans. Both bottom fans were now intakes, both top fans were now exhaust, and all I needed to do was:

    Completely gut the system, since the bottom panel is secured from the inside with four screws.
    And then slice up the wire sleeves, since the guide on each fan frame was farther apart.

    CPU load temperature immediately dropped by roughly 20°, but at the expense of messier cabling.

    Awesome way of thinking Thomas, that's why I love you guys. I am curious however to know if you emailed them to tell them about this solution. Since it made such a dramatic difference they should change the way those fans are positioned.
    Reply
  • second_exodous
    I'm looking into barebones to build a steam box and I'm finding they all have noise/thermal issues. I hope that Valve has a hand in some sort of certification program and hires their own engineers to test these barebone systems before giving the stamp of approval as a system to be used as a steam box. I'm also a Linux user and if they can clear up Linux compatibility for me that would also be great.
    Reply
  • jestersage
    I hope this fans the flames of trend and others follow suit - so innovation goes up and prices go down. I like the M8. And Thomas gives it a very good once-over - including answers to some issues. Good job!
    Reply
  • gadgety
    Thank you for a thorough review.
    Reply
  • razzb3d
    Just remove the plexiglass window and replace it with a nice honeycomb metal mesh. Cooling problem solved.
    Reply
  • Onus
    This case looks like a good idea, that just needs some refinement to make it even more generic. Another 10mm of thickness to allow 80mm fans (and possibly a full-size optical drive) could go a long way.
    Does the added trace length or extra connection required to use a riser card impose any kind of penalty on graphics cards? Please test this, by using one on a typical motherboard just for some measurements.
    Reply
  • Crashman
    11789583 said:
    This case looks like a good idea, that just needs some refinement to make it even more generic. Another 10mm of thickness to allow 80mm fans (and possibly a full-size optical drive) could go a long way.
    Does the added trace length or extra connection required to use a riser card impose any kind of penalty on graphics cards? Please test this, by using one on a typical motherboard just for some measurements.
    It doesn't need extra thickness to support the larger fans, just a minor redesign of the top and bottom panel. But the top panel redesign would include a different locking mechanism, so the tooling cost would be high.

    Reply
  • thespaceduck
    Maybe it is just me, but doing 9 different test for "performance" for a CHASSIS seems redundant and obsolete.
    Reply
  • crenwelge
    I purchased an ASRock mini-ITX HTPC that never worked. It continually blue screened and crashed. I sent it to ASRock 5 times for repair before finally giving up. Its technicians are either incompetent or dishonest . Once they sent it back with parts loose inside the case, another time without the power supply. Every time they claim to have tested it, but every time it came back blue-screening and crashing. Newegg refused to take it back and instead offered me a $100 credit. When I tried to use it, I found Newegg had deactivated my account. ASRock may be a competent motherboard house, but they cannot build and service reliable systems.
    Reply