Micro-ATX (And Below), 4 Expansion Slots, Windowed Side, Watercooling Support, GPU up to 360mm, CPU up to 157mm
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CHOOSE YOUR STYLE - MASTERBOX Q300L
Special pattern on the dust filter creates a unique outlook for the chassis.
The I/O panel can be adjusted to six different locations. On both side of the body you can install the I/O panel at the front, top or bottom.
The case can be put in vertical or horizontal position.
Show off your build through the full size transparent side panel.
Behind the motherboard tray, it offers 28mm wide and spacy room for hidden cable management.
The open design of the perforated front, top and bottom guarantees excellent thermal performance.
The front supports up to two 140mm fans and up to a 240mm radiator. The rear supports a 120mm fan or radiator and the top two 120mm fans. All to ensure you don't have to compromise on performance.
Form Factor | Mini Tower Case |
Motherboard Support | Mini-ITX Micro-ATX |
Dimensions (HxWxD) | 381mm x 230mm x 387mm |
Expansion Bays | 1 x 3.5" Internal HDD Bay 2 x 2.5" Interal SSD Bay |
PCIe Expansion Slots | 4 x Full Length (Horizontal) |
I/O | 2 x USB 3.0 1 x 3.5mm Audio In & Out |
Front Fan Support | 2 x 120mm (Not Included) or 2 x 140mm (Not Included) |
Top Fan Support | 2 x 120mm (Not Included) |
Rear Fan Support | 1 x 120mm (1 x 120mm Fan Included) |
Bottom Fan Support | None |
Side Fan Support | None |
Water Cooling Support | Up to 240mm radiator (Front) Up to 120mm radiator (Rear) |
Max GPU Length | Up to 360mm |
Max CPU Cooler Height | Up to 159mm |
PSU Support | ATX |
Max PSU Length | 160mm |
Case Lighting | None Included |
Get your order delivered the next working day for £5.99, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared.
Get your order delivered the next working day before 12:00pm for £10.98, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared. Some orders if via PayPal and the first customer order may not clear in time.
If you need your order at the weekend, for £12.58, you can specify the day you wish to have it delivered to you, Saturday or Sunday providing your order has been placed by 17:00 on the Friday before.
Economy delivery is available on all orders of any value being shipped within the UK.