Antec GX505 Window SC Mid-Tower Case Review


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Antec GX505 Window SC Interior Details

Now we’ll take a look at the interior of the Antec GX505 Window SC.


Here is everything that is included with the Antec GX505 Window SC. You have a product overview pamphlet, GX505 window installation guide, product warranty information, and all the hardware needed to mount everything inside the case.

You’ll notice the GX505 Window SC uses snap on rails, and there is optional foam washers you can use to help keep vibration down with any HDD drives. They also included some twist ties for cable management. Normally I expect to see zip ties. This is kind of an odd choice even when this is a budget case.


I’ve taken the panels off of the GX505 Window SC so we can get a good look at what we are dealing with. We have two 5.25″ bays, with the third bay dedicated to a 3.5″ floppy drive. I’m a bit stumped as to why Antec would include this. I do not know anyone that uses floppy drives anymore.

Moving on, You’ll notice the two 5.25″ bays are tool-less design. Below that you have an open space, which allows enough room for graphics cards up to 15″ in length. The cage at the bottom allows the installation of four 3.5″ HDD drives and there is a mount on top of the cage for one 2.5″ SSD.

The rest of the case is pretty standard. You can mount ATX, M-ATX, and M-ITX motherboards. You have slots along the side for cable management and 7 PCI expansion slots.


On the other side of the Antec GX505 Window SC you can see the cable management section. At the bottom section of the case is punched in, which gives you more space for your cables. There are a decent number of tie down locations, and the size of the slots for cables is good too.

You might notice some white labels, and these are for your fan controller. There is a switch on the top of the case that gives you the ability to run the fans on low, high, or turn them off completely. Although the later, I wouldn’t recommend.

Then you have the usual assortment of front panel cables, power, HDD LED, reset, audio, and USB 3.0.


This is the front fan filter. This filter is snapped into the front panel of the GX505 Window SC. I’m surprised that Antec designed it this way. It’s inconvenient to have to pull the front panel off just to get at the filter for cleaning.


Speaking of the front panel, here it is. The front panel just snaps off, and the filter is held in place by 4 plastic tabs. There is also a power lead that connects the front panel blue LED light. This is another bothersome feature. If you decide to use the LED you are going to have to unplug it every time you want to clean the filter.Antec-GX505-Window-SC-Bottom-FilterThis is the PSU filter for the GX505 Window SC. It comes off by pulling the plastic tab down slightly then pulling it straight back out of the chassis.


Here’s what the GX505 Window SC looks like without the front panel on. You can see mount locations for two 120mm fans. Antec put some pegs on the diagonal so you only need to use 2 screws per fan.


After taking the top venting panel off, you can see the two pre-installed 120mm fans. The fans are above the top of the chassis just enough so that they are about flush with the interior roof of the case.


Removing the top panel is easy. You do need to use a screw driver to remove the 2 screws that hold it in place, but once they are removed you just slide the panel toward the rear of the case and lift up.


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  1. letmepicyou

    Have you considered the possibility that what you call a 3.5″ floppy slot is actually where most folks would mount a 3.5″ card reader?

    1. Jason Maxfield

      You could mount a 3.5″ card reader there. You can also mount a 3.5″ card reader in a 5.25″ slot, since you can get adapters, or even have adapters already included with a 3.5″ card reader. With the brackets already part of the cage, that space is limited in function, and that is my main gripe about the 3.5″ slot.

  2. Himanshu Rawat

    I am unable to screw my GPU (zotac GTX 960) after mounting on the PCI slot. How to fix the GPU in that position any solution?

    1. Jason Maxfield

      This particular case doesn’t have brackets screwed on like most other cases. The brackets have to be popped out to place anything in the corresponding PCI slots lining up with your motherboard. Antec did include screws for the PCI mounting locations once the tabs are popped out.

      Sorry for the late response, I never received the alert in my email for this comment.

  3. mike

    Horrible review. 5.25 is not just for floppy smh. and the ssd spot use thumb screws and its still tool less. just saying.

    1. Jason Maxfield

      Mike, I never said 5.25 was just for floppy. I referenced the 3.5 as a ‘floppy drive mount’. Obviously you can put a card reader in that section. The SSD bays did not use thumb screws. I recently gave this case to a friend for better air flow over her old case, and I installed everything for her.

      Thanks for the feedback.

  4. lemor

    Do you think h100i gtx will fit on the top?


    I’m seriously thinking of buying H100i GTX for my config.

    1. Jason Maxfield

      Lemor, I think if the H100i GTX were to fit at all you would have to install it in a pull configuration. The top section of the chassis has just enough room to mount two 120mm fans. The radiator for the H100i GTX is 276mm wide and would not fit in the top where the fans mount.

      However since the fans are almost flush with the top of the case, there might be room for the 30mm thickness of the radiator below the fans. Antec’s information about water cooling for this case is non-existent. Tech specs mention water cooling grommets and that’s it.

      Careful measurements will be your best guide, if you already own the case. If you have other options open, I would look for a case that specifically lists compatibility with the H100i GTX to ensure a proper installation and functionality.

      1. lemor

        I just check the information you provided. The top fans are just above the motherboard. But there is space below the fan and above the mobo. Any modding advice you would suggest?

        1. Jason Maxfield

          There is space below the fans since the fans are mounted above the roof of the case. Just how much space, that is the question. A lot of how things will fit depends on your motherboard and where your 4/8 pin CPU power are located. The thickness of the radiator could interfere with the 4 pin headers for CPU fans and DIMM slots as well.

          Careful measuring and looking at the layout of your motherboard is all I can suggest to see if the H100i will fit in the case. Also, you might lose out on the top-most 5.25″ drive bay, depending on the orientation of the radiator once installed.

          1. Lemor

            Alright I’ve purchased the radiator. I’ll give it a shot. If it doesn’t work I’ll remove the top cover over the two 120mm(s) and mount them in push pull config. None the less pull (intake).

            Or I’ll buy a new case. What would you suggest?

            1. Jason Maxfield

              Any suggestions I might make would depend on if the cooler fits the case or not. Just have to see what happens.

  5. Joel

    Hello Jason , Do u think that a ASUS GeForce GTX 1070 ROG Strix Gaming would fit into this case? A quick reply would be very much appriciated! //Joel

    1. Jason Maxfield

      Sorry for responding late. My notifications keep ending up in my spam folder… Gmail is being bad.

      Anyhow, to answer your question, the Asus 1070 ROG Strix will fit in that case easily. I checked the specs on the case and it can accommodate GPU’s up to 14.95″ long. The Strix is just under 12 inches.

      The way the Antec GX505 is designed leaves room for long GPU’s since it doesn’t have a drive bay in the way, where your typical single GPU will be seated on your motherboard. This also allows the front-top 120mm fan that is included to blow air directly at your GPU to help keep it running cool.

  6. RoLoX

    can i fix RX 480 in this casing…??

    1. Jason Maxfield

      It depends on which RX 480 you intend to use in the case? Although, as I mentioned in a previous reply, the case can accommodate GPU’s up to 14.95″ in length. The PowerColor Red Devil RX 480 is about 12.2 inches long, and I believe it’s one of the longest RX 480’s on the market, and that one should fit just fine in the GX505.

  7. Emily Stone

    I’m struggling to find much other info on this case online. Did you have any issues getting your fans (other than front, controlled by top switch) running? I haven’t been able to get the other two going.


    1. Jason Maxfield

      Hi Emily,

      I don’t recall how many leads were on the fan connector for the switch. I think the 2 front fans and the rear exhaust were already hooked up to the fan switch. I don’t think there was room for any others. You could use a Y adapter to hook more fans up to the controller.

      Otherwise, you can connect extra fans directly to the motherboards fan headers. With most modern boards you can also set fans to spin (in the BIOS/UEFI) at certain percentages based on thermal output of your CPU or system temps. Using a combination of both you can probably find a good mix of air flow to noise while keeping everything running cool.

  8. Crazed

    I know this is super old but do you know what kind of pins did the fans have? My motherboard has only 1 chassis fan connector, is there any way I can still run all 3?

    1. Jason Maxfield

      You can get a molex to 3 pin adapter for powering the fans. Might need two of them, or one with a Y connector to hook two up to one lead.

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