Antec One Review



Choosing a suitable chassis is always important when building a new system as it will be the new home for 
all components. Today we will be making the review of Antec’s One, an affordable midi-ATX case with some interesting features.


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Antec was founded in 1986 and their main product line includes power supply units, PC cases and cooling products for both laptop and desktop systems.

Let’s take a quick look at the case’s main specifications and features:

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A Closer Look – Package and Accessories

The Antec One arrived in a brown cardbox. At the front side there is an illustration of the actual case while at 
the back we can find a schematic showing the structure of the case. Quite detailed we have to admit. Finally, at
the left and right sides of the box there are more illustrations of the chassis.

Upon opening the box, we find that the case is well protected inside foam material at the sides and the main 
body is kept inside a plastic bag to prevent damage and scratches during shipping.

Inside the case we will find the installation kits that Antec has included in the bundle. Thus, you will find the
tool-less installation kits, strap-ons for cable management, a variety of screws, the user manual and even
a USB 3.0 to USB 2.0 converter if you want to use the front panel connectors with an older motherboard.

The manual is very informative and easy to understand if you encounter any installation matters.

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A Closer Look – The Antec One Exterior

The Antec One follows a simplistic design pattern, but, this does not mean that it feels cheaply made. The build quality is awesome and the whole construction is finished in a nice black colour. It is pretty lightweight too. At the left side of the chassis there is space for the installation of an additional fan. However, there is no air-filter present, something that can result in dust coming in the chassis. At the top we can find a drilled area with a fan installed, which is quite nice to be included. The front faceplate is drilled with covers that can be removed and help in the system’s airflow, something that feels simple, but is very handy.

At the bottom side of the chassis we are glad to find another mounting space for the installation of an additional fan.
The area where the PSU fan will be facing is drilled, and Antec have placed a removable air-filter,
which surely is a worthy addition. We can also see that there are rubberpads, so that have an anti-vibration effect and help in stabilizing the chassis.

To remove the side covers, you do not need a screwdriver, as thumb-screws have been included.

The PSU installation is done at the bottom of the case. There are a total of seven expansion slots, which unfortunately are not reusable; only the first can be put back into place. No thumbscrews are supplied for the expansion cards, the installation is done using traditional screws. There are also holes intended to be used for watercooling. Furthermore, there is also an additional fan installed at the back of the case.

At the case’s front panel, we can find 2 audio connectors, the reset and power buttons, and two USB 3.0 ports. As mentioned, we can use the USB panel connectors with a USB 2.0 motherboard using the supplied converter.


A Closer Look – The Antec One Interior

The interior of the case is also flawlessly finished in black colour, something that is not usually met in budget cases. As we can see, there is a big hole at the motherboard tray, so that the backplate can easily be reached for a possible cooler installation. This greatly helps, as there is no need to take the motherboard out if you
want to install an aftermarket CPU cooler. In addition, there are cable management holes.

The area beneath the PSU is drilled to help in airflow. At the second and third pictures, you can see the two fans that come installed in the bundle.

The 5,25″ bay covers are covered with foam material that functions as an air filter.

The installation of the 5,25” devices is very easy. The only thing to do is just push the optical drive into an empty slot, and the mechanism will slot in the screw holes automatically. To remove it, you just pull the locking nut. Pretty easy.

For the 2,5″ devices, there is a special bay dedicated to their installation. Mounting them is a piece of cake as well. Only the plastic mounting kits have to be adjusted to the device, and afterwards it just needs to be pushed  into an empty bay space.

Finally, at the front side of the chassis we can find connectors for the basic functions of the system, On/Off button, reset switch, etc.



Installing our reference system was quick and trouble-free thanks to Antec’s installation features. As you can see, the space when using a stock cooler can be considered satisfying for a midi-ATX case. Even when using our Gelid GX-7 cooler, everything fit in with ease.



We had an enjoyable user experience while testing the Antec One case. Overall, we have to do with a case made in high quality standards and with features that we meet in more expensive cases. It follows a simple
design pattern, but the fact that even the interior is flawlessly finished in black surely classifies it as a well crafted case.
Even the 5.25” bay covers are covered with foam material that acts as an air filter.

It comes with two fans pre-installed inside the case and offers support for USB 3.0. We would prefer air-filters to be installed at the fans’ mounting spaces so that dust cannot go inside the system. The expansion card slot covers are also not reusable and the cards can only be installed following the traditional screw way.

The installation of hard and optical drives is a piece of cake thanks to the tool-free pattern and kits supplied. Across the motherboard tray, there are holes and clips on which you can organize your cables using the supplied cable straps.

Furthermore, the installation of a new CPU cooler is painless, since the One offers direct access to the motherboard’s backplate.

Costing around 45.00EUR across Europe, we would surely say that Antec’s One is definitely a good option to consider when building a system in a tight budget, while wanting a case of high-quality.


(+) Great build quality and finish
(+) Two fans pre-installed
(+) Cable management made easy
(+) Direct access to motherboard’s backplate
(+) USB 3.0 support
(+) Easy installation of devices


(-) Expansion slot covers not reusable
(-) No air-filters installed, only at the PSU mounting space


Thus, we can surely give the Antec One our Value For Money award.


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