Chieftec

Chieftec UNI Series BU-12B-300 Mini-ITX SFF Case 300W PSU Black (Boxed)

SKU 6723 Brand Chieftec EAN13 0753263077158
Compact Mini-ITX small-form-factor case with integrated 300W 80 PLUS Bronze TFX PSU. Supports Mini-ITX motherboards, up to 150mm GPU, 65mm CPU cooler. Features 1x 3.5" bay, 1x 5.25" slim ODD, 2x USB3.0 front ports, SD card reader, audio I/O.
PC Cases - Motherboard Support Mini ITX
PC Cases - Radiator Support None
PC Cases - Included Fans 1
PC Cases - Front I/O Audio Jacks SD Card Reader USB A
PC Cases - GPU Orientation Horizontal Vertical Supported
PC Cases - Form Factor Small Form Factor
PC Cases - Max GPU Length Up to 250 mm
PC Cases - Color Black
PC Cases - CPU Cooler Clearance Up to 150 mm

The Chieftec UNI Series BU-12B-300 is a compact small-form-factor (SFF) PC case designed for building high-performance systems in minimal space. With dimensions of just 290 x 92.5 x 280mm, this case combines the compactness of Mini-ITX form factor with full functionality and flexibility. The case can be operated in both horizontal and vertical orientations, making it ideal for space-constrained environments such as offices, home theaters, or compact workstations.

The BU-12B-300 comes pre-equipped with a 300W 80 PLUS Bronze certified TFX power supply (GPF-300P), eliminating the need for separate PSU sourcing. It supports Mini-ITX motherboards exclusively and features 2 low-profile PCI/PCI-E expansion slots for graphics cards and other expansion cards. The case includes 1x preinstalled 80mm front cooling fan and supports a maximum CPU cooler height of 65mm and GPU length of 150mm. Storage options include 1x external 5.25" ultra-slim ODD bay and 1x internal 3.5" plus 1x internal 2.5" drive bays.

Front I/O connectivity includes 2x USB 3.0 (USB 3.1 Gen 1) ports, audio output, microphone input, and an SD card reader supporting SD/MMC/MS cards at 480Mbps transfer speed. The case is constructed from 0.5mm SECC steel and includes a 24-month manufacturer warranty. Ergonomically positioned front interfaces and space-saving design make this case an excellent choice for budget-conscious builders seeking compact, reliable systems.

  • Compact dimensions: 290 x 92.5 x 280mm (unboxed)
  • Mini-ITX motherboard support only
  • Integrated 300W 80 PLUS Bronze TFX PSU (GPF-300P)
  • 2x USB 3.0 front ports with SD card reader and audio I/O
  • Supports up to 150mm GPU and 65mm CPU cooler
  • Horizontal and vertical operation capability
  • 1x preinstalled 80mm front fan
  • 24-month warranty
TypePC Case
Form FactorSmall Form Factor (SFF)
ColorBlack
Material0.5mm SECC Steel
Motherboard SupportMini-ITX
Dimensions (W x D x H) Unboxed92.5 x 290 x 280 mm
Weight Unboxed2.98 kg
Weight with Packaging3.78 kg
External Drive Bays1x 5.25
Internal Drive Bays1x 3.5
Expansion Slots2x Low Profile PCI/PCI-E
Power Supply300W TFX GPF-300P (80 PLUS Bronze Certified)
Front I/O Ports2x USB 3.0 (USB 3.1 Gen 1), Audio Output (AZALIA/HD-Audio), Microphone Input, SD Card Reader (SD/MMC/MS, 480Mbps via 9-pin USB 2.0 internal)
Front Fans Supported1x 80mm (Preinstalled)
Maximum CPU Cooler Height65 mm
Maximum GPU Length150 mm
OrientationHorizontal and Vertical
Warranty24 Months
EAN Code0753263077158
Included AccessoriesScrew Set