Chieftec UB-03B-350GPB Mini-Tower Case

Mini-Tower · mATX / ITX · GPU up to 345 mm

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Form factor Mini-Tower
Motherboard support mATX / ITX
GPU clearance 345 mm

Chieftec UB-03B-350GPB Mini-Tower Case is a mini-tower PC cabinet that takes mATX / ITX motherboards and graphics cards up to 345 mm long.

Specifications

Key specs

Form factor: Mini-Tower
Motherboard support: mATX / ITX
GPU clearance: 345 mm
Part number: UB-03B-350GPB
EAN / UPC: 0753263078049

Design

Form factor: Mini Tower
Type: PC
Product colour: Black
Supported motherboard form factors: micro ATX, Mini-ITX
Number of 3.5" bays: 1
Number of 5.25" bays: 1
Number of internal 3.5" bays: 3
Number of expansion slots: 4
Reset button: Yes
On/off button: Yes
Maximum CPU cooler height: 14.5 cm
Maximum graphics card length: 34.5 cm
Cable lock slot: Yes
Cable lock slot type: Kensington

Power supply

Power supply included: Yes
Power supply: 350 W

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Ports & interfaces

Audio input: Yes
Audio output: Yes
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 2
USB Type-C ports quantity: 1

Cooling

Number of front fans supported (max): 1
Front fans diameters supported: 120 mm
Number of rear fans supported (max): 1
Rear fans diameters supported: 80 mm

Storage

Supported HDD sizes: 2.5,3.5"
Card reader integrated: Yes
Compatible memory cards: SD

Weight & dimensions

Width: 207 mm
Depth: 430 mm
Height: 373 mm
Weight: 4.51 kg
Material thickness: 0.5 mm

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About this product

The UB-03B-350GPB is a flexible mini tower case that combines practicality and an understated design with a highly competitive price. Fitting perfectly in home or office environments, it comes with all modern features from USB Type-C to a pre-installed SD card reader, while supporting 120mm optional fan installation in the front and 80mm optional fan installation in the back.

Datasheet (PDF)

UB-03B-350GPB vs similar cabinets

	Chieftec UB-03B-350GPB Mini-Tower Case	itek PROMESH 35B	Chieftec BX-10B-M-OP Mini-Tower Case	MSI PRO FORGE M051A
Form factor	Mini-Tower	Mini-Tower	Mini-Tower	Mini-Tower
Motherboard support	mATX / ITX	mATX / ITX	mATX / ITX	mATX / ITX
GPU clearance	345 mm	345 mm	380 mm	300 mm
Released	—	—	—	2026