Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready Semi-Modular Power Supply, 105°C/221°F Japanese Capacitor, 5 Year...
SIMILAR850W Power Supply Dual PCIe 5.1 ATX 3.1 Ready, 80 Plus Gold Full Modular, Quiet Operation with 120mm FDB Fan $79.99850W PSU – Fully Modular 850 Watt Power Supply, 80 Plus Gold, Silent RGB Fan $79.99Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 650W Semi-Modular Power Supply - Black $79.99All Power Supplies →PSU Wattage Calculator →
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💡 How to pick a power supply
What to look for:
- Wattage exceeds total system draw by 20-30% headroom
- 80+ Gold or higher for efficiency
- Modular cables reduce clutter in your case
💰 Mid-range builds: 650-750W. High-end with RTX 4080+: 850W-1000W+
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SORTVIEWProductWattsRatingModularColorValuePrice

Thermaltake★★★★★4.5🔥 DEAL -$10
650W
Bronze
Semi
Black
—
$89.99
$79.99
3 stores
Specifications
Watts650W
RatingBronze
ModularSemi
ATX 3.0Yes
Form FactorATX
Fan Size120mm
Fans1
RGBNo
Depth140
ColorBlack
Weight3.6 lbs
Model #SPD-750AH2CLB
UPC841163089804
Customer Reviews★★★★★5.0 · 5 reviews
★★★★★Host power supply
FengH · 2026-05-08 · via bestbuy
★★★★★Seamless
DaymondLi · 2026-05-03 · via bestbuy
★★★★★Perfect for my setup
Joainsworth · 2026-04-19 · via bestbuy
★★★★★Power supply
Evan · 2026-04-08 · via bestbuy
★★★★★Great budget power supply
TjL1 · 2026-03-28 · via bestbuy
Buy Now
💰
Below MSRP
Was $89.99 → $79.99
Save $4.00 at amazon vs newegg
11% off