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Chieftec

Chieftec Smart PSF-400B 400W ATX PSU 80 PLUS Bronze Non-Modular (Boxed)

SKU 6850 Brand Chieftec EAN13 4710713234499
Chieftec Smart PSF-400B: 400W ATX PSU, 80 PLUS Bronze (>85% efficiency), active PFC. Connectors: 24-pin ATX, 8-pin EPS, 6-pin PCIe, 4x SATA, 3x Molex. 80mm fan for 19in IPC 2U-4U. 1.63kg boxed.
PSU (Power Supplies) - Wattage 400 - 499 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Bronze
PSU (Power Supplies) - Color Silver
PSU (Power Supplies) - Modularity Non-modular
PSU (Power Supplies) - PCIe GPU Connectors 1x 8/6 pins
PSU (Power Supplies) - Length Up to 140 mm
PSU (Power Supplies) - EPS CPU Connectors 1x 4+4pin EPS/ATX12V

The Chieftec Smart PSF-400B is a reliable 400W ATX power supply certified 80 PLUS Bronze with over 85% efficiency and active PFC. Designed primarily for 19" IPC and UNC chassis from 2U to 4U, its 80mm side fan blows air out the rear to accommodate limited height and delicate PSU positioning.

Compatible with ATX 2.3 standards and fixed 110-240V input, it meets ENERGY STAR 5.0 and EU requirements. Features full protections including over voltage, overpower, undervoltage, and short-circuit. Non-modular cabling keeps it simple and cost-effective for industrial and standard PC builds.

  • 400W total power with 360W on +12V rail
  • Connectors: 1x 24-pin ATX, 1x 8-pin (4+4) EPS, 1x 6-pin PCIe, 4x SATA, 3x Molex, 1x Floppy
  • Dimensions: 140 x 150 x 86 mm; Weight: 1.63 kg (boxed)
  • Certifications: TÜV, CB, RoHS, EuP Ready; 2-year warranty
Total power400 W
AC input voltage110 - 240 V
AC input frequency47 - 63 Hz
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)100 W
Combined power (+12V)360 W
Combined power (+5V)100 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)12.5 W
Max output current (+3.3V)16 A
Max output current (+12V1)30 A
Max output current (+5V)15 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)2.5 A
Efficiency>85%
80 PLUS certification80 PLUS Bronze
Power protection featuresOverload, Short circuit, Over voltage, Under voltage
Motherboard power connector24-pin ATX
EPS power connector (8-pin)Yes (4+4)
PCI Express power connectors (6-pin)1
Number of SATA power connectors4
Peripheral (Molex) power connectors (4-pin)3
Floppy drive power connector1
Cabling typeNon-Modular
PurposePC
Power supply unit (PSU) form factorATX
ATX version2.3
Product colourMetallic
Cooling typeActive
Fan diameter8 cm
Number of fans1 fan(s)
Width150 mm
Depth140 mm
Height86 mm
Weight (with package)1.63 kg
Compliance certificatesRoHS, TÜV, CB, EuP Ready
Sustainability certificatesENERGY STAR 5.0
Warranty2 years