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Support page for of

FX 4.9L cases


On this page you will find all the necessary information for assembling a computer in our case FX 4.9L. Also, this guide is suitable for assembly in past body revisionsFX 4.5> 4.7L Assembly in small cases can be a difficult task due to the compact arrangement of components. Our tips will help you assemble a computer quickly and correctly. Just follow our tips and recommendations.


Assembling a computer requires certain knowledge and skills! If you do not have sufficient experience and knowledge of assembly, you can contact us.

  1. Preparation. Make sure your assembly components match the case specifications. Remove the covers by unscrewing the screws and sliding them down. 

  2. Installing the motherboard (MP). The case supports mini-ITX format MP settings. Read the instructions for the motherboard. Install everything you need on it (Processor, CPU cooler, RAM, NVMe drive, if used. Follow the instructions of the component manufacturer). Install the plug in the case if it is not fixed on the motherboard before mounting the MP. Connect the PCIe riser cable to the MP if you plan to install a video card, as well as the power button connector. Very carefully put the MP into the case, placing it on the racks. Screw the MP to the case using the screws from the PDA and a magnetic screwdriver.

  3. Installation of the Power Supply Unit (PSU). The case supports the installation of flex 1U format BJ. If your BJ has a modular cable connection, we recommend that you connect the necessary ones before installation in the case. Install the BJ in the case and fasten with screws. Connect the cables to the motherboard.

  4. Installing a video card. Skip this step if you don't plan to use a graphics card. Unscrew the fastening corner from the case. Connect the additional power supply of the video card, if it is provided by the manufacturer of the video card, before its installation (see the instructions for installing your video card in the package of delivery of the video card). Insert the video card into the case, insert the cable into the PCIe x16 riser connector as far as it will go. Screw the video card to the case using the mounting bracket.

  5. Installation of 2.5" Storage. Skip this step if you do not plan to use a 2.5" drive. Connect the interface to the drive. Screw the drive to the housing under the video card.

  6. The final assembly.Carefully route all cables using nylon cable ties from the PDA. Check that all cables are connected. Install the covers on the body and fasten with screws.

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