itek · Cabinet

itek SHOWBUI 45B

Tower · ATX / mATX / ITX · GPU up to 430 mm

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Form factor Tower
Motherboard support ATX / mATX / ITX
GPU clearance 430 mm

itek SHOWBUI 45B is a tower PC cabinet that takes ATX / mATX / ITX motherboards and graphics cards up to 430 mm long.

Specifications

Key specs

Form factor: Tower
Motherboard support: ATX / mATX / ITX
GPU clearance: 430 mm
Part number: ITGCASB45B
EAN / UPC: 8056157883227

Design

Form factor: Tower
Type: PC
Product colour: Black
Supported motherboard form factors: ATX, micro ATX, Mini-ITX
Number of 3.5" bays: 1
Number of 2.5" bays: 1
Number of expansion slots: 7
Side window: Yes
Illumination: Yes
Illumination colour: Blue, Green, Red
Illumination location: Case fans
Tempered glass panel(s): Yes
Anti-dust filter: Yes
Cable management: Yes
Maximum CPU cooler height: 18.3 cm
Maximum graphics card length: 43 cm
Maximum PSU length: 18.6 cm

Power supply

Power supply location: Bottom

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Ports & interfaces

USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity: 1

Cooling

Number of front fans supported (max): 3
Front fans diameters supported: 120,140 mm
Side fans installed: 3x 120 mm
Rear fans installed: 1x 120 mm
Number of rear fans supported (max): 1
Rear fans diameters supported: 120,140 mm
Number of top fans supported (max): 3
Top fans diameters supported: 120,140 mm
Liquid cooling capability: Yes
Rear radiator sizes supported: 120,140 mm
Top radiator sizes supported: 120,140,280,360 mm

Storage

Supported HDD sizes: 2.5,3.5"

Weight & dimensions

Width: 235 mm
Depth: 461 mm
Height: 505 mm

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About this product

Itek SHOWBUI was designed to meet the demands of users who need aesthetics, performance, versatility, space and ease of assembly in a single solution. The front and side bulkhead are made of tempered glass to show the components inside, both with interlocking opening/closing, without screws! Internally there is a lot of space, it is in fact possible to install latest generation video cards up to 430mm long, 183mm high heat sinks, liquid cooling up to 360mm, several additional fans and the cable management is 31mm. Included are 4 latest generation ARGB fans from the "infinity Mirror" series for top aesthetics and optimal air flow. All managed by the convenient HUB and related remote control and, alternatively, by the reset button or directly from the motherboard. The positioning of the audio connections, 2 USB 3.0 ports and a TypeC at the bottom of the case is very convenient!

Datasheet (PDF)

SHOWBUI 45B vs similar cabinets

	itek SHOWBUI 45B	itek SHOWBUI 45W	itek MESHCORE 36B	itek NEBRALUX 01
Form factor	Tower	Tower	Tower	Tower
Motherboard support	ATX / mATX / ITX	ATX / mATX / ITX	ATX / mATX / ITX	ATX / mATX / ITX
GPU clearance	430 mm	430 mm	420 mm	410 mm
Released	—	—	2025	2025