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In Win 303 SECC ATX Mid Tower Computer Case Front USB3.0 Audio w/ Tempered Glass Window White

In Win 303 SECC ATX Mid Tower Computer Case Front USB3.0 Audio w/ Tempered Glass Window White - 1
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In Win 303 SECC ATX Mid Tower Computer Case Front USB3.0 Audio w/ Tempered Glass Window White - 132272_l.jpg In Win 303 SECC ATX Mid Tower Computer Case Front USB3.0 Audio w/ Tempered Glass Window White - 132272_1.jpg In Win 303 SECC ATX Mid Tower Computer Case Front USB3.0 Audio w/ Tempered Glass Window White - 132272_2.jpg Customer Photos (0)
Reg. Price: $114.98  CAD
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Part #: 303 White

SKU: 132272
Volumetric Weight: 43.92 lbs

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Customer Reviews of INWIN 303 White

Product reviews on NCIX.com are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by NCIX.com, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding INWIN 303 White reviews.
Experience: 2 Weeks



awesome design
good cable management
lots of storage choices
good looks
case didn't come with a fan
needs led to make the case visuals pop
latch kinda sticky
atx support locks you out of 2 bottom fan slots
i bought this case for a friends build after my experience with my IN WIN 805. i was honestly amazed at the build quality, but the looks are not as nearly clean as the 805. for 109.99 (sale) this case was an amazing purchase since it has amazing cooling capacity. there is a total of 7 possible fans (non push pull) and if you set it up with mostly intake with one exhaust the case works great. with all the tempered glass cases on the market i would highly suggest buying this case just for the price alone never mind the value.
one small caveat is that if you want to make this case look good make sure you are not using a cheap power supply, and buy either led fans or led strips, i would suggest either the nzxt hue +, and the nzxt led strips if you do not have aura support.

Experience: 10 Days



looks awesome
cheap for such a nice case
recommend it to anyone who can fork over a bit more for tempered glass

Experience: 2 Months

In Win makes an almost perfect case Verified OwnerVerified Owner


- Excellent exterior design, no cheap plastics.
- Front panel LED logo and ports are very cool and well placed.
- Solid all-metal construction, there is no flexing or flimsiness.
- Dust filters are well designed.
- Paint is thick and durable.
- Excellent water cooling support, fits a 3 core radiator perfectly up top.
- Decent amount of hard drive and SSD support.
- GPU support bracket is a nice touch.
- PSU 'attic' (it's up top not below) is an interesting touch.
- Glass door design is excellent.
- Excellent amount of space behind the motherboard tray.
- Will fit just about any GPU.
- Works just as well with an air cooling solution.
- Pretty much requires custom PSU cables with flat SATA connectors for your drives. No reviews seem to mention this for some reason.
- No 5 1/4" bay means no external fan controller support.
- An ATX motherboard makes the bottom fan grills almost impossible to use, needs at least another inch of clearance.
- No grommets for the cutouts and a distinct lack of cutouts is problematic for good cable management.
- Air flow is not the greatest for intake. Exhaust flow is excellent however.
- There is little room for a large pump like a D5 unless it is mounted into a reservoir.
- The PSU 'attic' causes air flow issues when using a three core radiator, especially if you need extra cables plugged in (if you're using a modular PSU as you should be).
- Comes with only one fan and no lighting system.
This was definitely one of the more challenging cases to work with when it came to clean cable management and component layout. The lack of grommets and cutouts caused a lot of problems with cable length and routing options. The PSU being mounted up top in behind the radiator mounting area is unique but ultimately causes air flow issues when using a large radiator.

Having the PSU up top also means there is no real way to bundle up your excess cables without having them in the way of your exhaust flow so high pressure fans are definitely a must. Cable routing is easy enough as there is almost an inch of room behind the motherboard tray allowing you to bundle quite a bit. However this leaves little room for the 3.5" hard drives if you wish to use them. Also keep in mind the plates are so flat you will require flat SATA power cables; either extensions or custom cables will work.

There are mounts for two SSDs in the case area and two SSDs or 3.5" HDDs behind the motherboard tray which is great in theory but in practice you will likely only be able to use one of the rear mounts at a time. There is no 5 1/4" bay at all which isn't really an issue as optical drives are not a requirement anymore but it is a problem if you want to use a fan controller; which when water cooling is a really nice thing to have, I opted for a small PWM splitter which works almost as well.

Speaking of water cooling the support is excellent allowing a huge amount of options. In addition to the provided tubular reservoir mount you can mount a full 360mm rad up top or in the bottom; but again there are restrictions. If you use a full ATX motherboard you will be unable to mount fans bigger than 120mm down below; if at all, as they will crush any cables used for headers on the board so a radiator is out of the question. My recommendation is to use an mATX board if possible for the greatest flexibility.

Overall this is a beautiful case with a lot of good ideas and many good design choices. It is only hindered by some strange oversights which I believe were to keep the overall size of the case down. I would definitely recommend this case to anyone who likes an attractive design with water cooling in mind, but I will caution that it is not an easy case for beginners.

Experience: 3 Days

F*****g beautiful Verified OwnerVerified Owner


Looks great in white
Easy to build in
The HDD brackets bend your SATA power
No rubber gromets
Bought two of these, and they look great.

Product Videos [ Edit ]

Features [ Edit | History ]

Quick Specs:
Material Tempered Glass SECC
Motherboard Supported Mini ITX Micro ATX ATX
Weight (Approximate) 23.99 lb
Color White
Form Factor Mid-tower
Height 19.6"
Width 8.4"
Depth 18.8"
Number of Fans Supported 7
Number of Power Supplies Supported 1
Number of Power Supplies Installed 0
Number of Internal 2.5" Bays 2
Number of Internal 3.5" Bays 2
Number of Total Expansion Bays 4
Number of Total Expansion Slots 7
Total Number of USB Ports 4
Total Number of Audio In Ports 1
Total Number of Audio Out Ports 1
Power Supply Installed No

Specifications [ Edit | History ]

Additional Product Specifications  
     Full Product Specifications: Click to view
     Number of Internal 2.5" Bays: 2
     Number of Internal 3.5" Bays: 2
     Number of Total Expansion Bays: 4
General Information  
     Brand Name: In Win
     Manufacturer: In Win Development, Inc
     Manufacturer Part Number: 303 WHITE
     Manufacturer Website Address: https://www.in-win.com.tw
     Product Model: 303
     Product Name: 303 ATX Chassis
     Product Type: Computer Case
I/O Expansions  
     Number of Total Expansion Slots: 7
     Total Number of Audio In Ports: 1
     Total Number of Audio Out Ports: 1
     Total Number of USB Ports: 4
Physical Characteristics  
     Color: White
     Depth: 18.8"
     Form Factor: Mid-tower
     Height: 19.6"
     Material: SECC
Tempered Glass
     Weight (Approximate): 23.99 lb
     Width: 8.4"
Power Description  
     Number of Power Supplies Installed: 0
     Number of Power Supplies Supported: 1
     Power Supply Installed: No
Technical Information  
     Motherboard Supported: ATX
Micro ATX
Mini ITX
     Number of Fans Supported: 7

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