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Black non-modular ATX 3.1 power supply, 140 mm long, flat etched cables, dual-colour H++ connector, 12 cm FDB fan

Thermaltake

Thermaltake Smart BX3 Pro 850W power supply PS-SPD-0850NNFABU-7

SKU CH-DFEZ-9F8PJ MPN PS-SPD-0850NNFABU-7

Non-modular ATX 3.1 unit with native PCIe 5.1 12V-2X6 connector, 80 Plus Bronze efficiency and 105 °C main capacitor

  • ColorBlack
  • TypeATX 3.1
  • Maximum Power850 W
  • Fans12cm FDB Fan
  • PFCActive
  • Max PSU Length140 mm
  • ATX 3.1 compliant for modern system stability
  • Native PCIe 5.1 12V-2X6 connector delivers up to 600W to new GPUs
  • 80 Plus Bronze certified efficiency reduces wasted power
  • 105°C main capacitor rated for 100,000 hours MTBF
  • Compact 140 mm length fits a wide range of cases

ATX 3.1 power supply for modern builds

This 850 W unit meets the Intel ATX 3.1 specification and includes a native PCIe 5.1 12V-2x6 connector rated for 600 W. It is built for users who need reliable, efficient power for current-generation graphics cards and CPUs. The non-modular design keeps cost down while the flat etched cables help routing in tight spaces.

Upgrade from older ATX 2.x units lacking 12V-2x6

If your existing supply follows the ATX 2.x standard and cannot deliver the 600 W PCIe connector required by newer GPUs, this model closes that gap. The jump is worth it when a graphics card upgrade demands the native 12V-2x6 interface and 850 W continuous output at 40 °C. The 80 Plus Bronze rating and 105 °C main capacitor add efficiency and longevity over many legacy Bronze units.

Check case clearance and cable routing before

The PSU length is 140 mm, so confirm your chassis supports that depth. Because the unit is non-modular, every cable is permanently attached; verify you have room to route the full set, including the flat etched PCIe and ATX leads. Input range covers 100 to 240 V at 50 or 60 Hz, matching standard mains worldwide.

Punti di forza

  • ATX 3.1 compliant for modern system stability
  • Native PCIe 5.1 12V-2X6 connector delivers up to 600W to new GPUs
  • 80 Plus Bronze certified efficiency reduces wasted power
  • 105°C main capacitor rated for 100,000 hours MTBF
  • Compact 140 mm length fits a wide range of cases

Caratteristiche tecniche

BrandThermaltake
ModelSmart BX3 Pro 850W
Part NumberPS-SPD-0850NNFABU-7
ColorBlack
TypeATX 3.1
Maximum Power850 W
Fans12cm FDB Fan
PFCActive
Max PSU Length140 mm
ModularNon-Modular
Power Good Signal100-150 msec
Hold-up Time> 17msec at 80% load
Energy-Efficient80 PLUS BRONZE Certified
ProtectionOCP/OVP/OPP/OTP/UVP/SCP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15A-6A
Output+3.3V@18A, +5V@18A, [email protected] , [email protected] , +5VSB@3A
MTBF100,000 hrs minimum
ApprovalsCE/UKCA/LVD/UKCA/FCC/ICES/TUV/CB/cTUVus/BSMI/CCC
Connectors1 x 12VHPWR (12+4) PCIe / 1 x 24 pin ATX / 2 x 8 pin (4+4) EPS (CPU) / 3 x 8 pin (6+2) PCIe / 4 x 4 pin Peripheral / 4 x SATA
Dimensions150 x 140 x 86mm
Peso di spedizione2.31 kg
Dimensioni del pacco279 × 216 × 122 mm

Domande su questo articolo

What case clearance does the 140 mm length require?

The unit measures 140 mm long, so any ATX case with at least that depth will accept it without interfering with drive cages or the motherboard tray.

How do I confirm the PCIe 12V-2x6 connector is fully seated?

Push the matcha dual-colored H++ connector until the green band disappears; the colour change shows the latch has engaged and the 600 W link is secure.

When should the 105°C main capacitor be considered for replacement?

The capacitor is rated for 100,000 hours minimum MTBF at 105 °C; plan a preventive swap once the supply approaches that service interval.

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