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Seasonic VERTEX GX-850 vs Thermaltake Smart BM3 / BQX-class 750W

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Key differences

  • Seasonic VERTEX GX-850 has higher Warranty (10 years vs 5 years)
  • Seasonic VERTEX GX-850 has higher SATA connectors (8 vs 6)
  • Seasonic VERTEX GX-850 has higher Wattage (850 W vs 750 W)

Full spec comparison

Spec
Seasonic VERTEX GX-850
Thermaltake Smart BM3 / BQX-class 750W
Power
Wattage850 W750 W
Efficiency rating80 Plus Gold80 Plus Bronze
ATX versionATX 3.0ATX 2.4
Modular cablingFully modularSemi-modular
Form factorATXATX
12V rail designSingle +12VSingle +12V
Connectors & Build
PCIe / GPU connectors4× 8-pin + 12VHPWR2× 8-pin
CPU power connectors2× 8-pin1× 8-pin
SATA connectors86
Fan size135 mm120 mm
PSU length140 mm140 mm
Zero-RPM fan modeYesNo
Warranty10 years5 years

Ready to buy?

Seasonic VERTEX GX-850

Thermaltake Smart BM3 / BQX-class 750W

Affiliate disclosure: As an Amazon Associate, PCTalkTalk Compare earns from qualifying purchases. We may also earn a commission from Newegg and B&H Photo Video links, at no extra cost to you.