Thermaltake

Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready Semi-Modular Power Supply, 105°C/221°F Japanese Capacitor, 5 Year Warranty, PS-SPD-0750MNFABU-3

Name: Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready Semi-Modular Power Supply, 105°C/221°F Japanese Capacitor, 5 Year Warranty
Brand: Thermaltake
SKU: B0CFXGFQNZ
Price: 79.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$79.99

As an Amazon Associate, SpecPicks earns from qualifying purchases.

View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.

Bottom line: The Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready Semi-Modular Power Supply, 105°C/221°F Japanese Capacitor, 5 Year Warranty, PS-SPD-0750MNFABU-3 is a niche pick — read recent reviews before buying in the power supplies category, priced around $79.99. Compare close alternatives before committing.

Smart BM3 80 PLUS Bronze certified semi modular PSU (650W/750W/850W) is designed to meet ATX 3.1 standards, it also comes with one PCIe Gen 5 (12V-2x6) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features. Featuring a 120mm FDB fan to deliver excellent airflow. Furthermore, with the Smart Zero Fan function the fan will not spin until the load exceeds 20% of the power supply, minimizing undesired noise. It also built with high…

SpecPicks Verdict

SpecPicks scored Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. Thermaltake's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ PCIe Gen. 5 compliant
✓ Backed by Thermaltake's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

80Plus Bronze certified and fully compatible with Intel ATX 3.1 standards to power up next generation hardware
PCIe Gen. 5 compliant
High quality Japanese 105°C/221°F main capacitor
120mm fluid dynamic bearing fan with Smart Zero Fan function
Built-in Industrial Grade Protection

Full Specifications

Brand	Thermaltake
Wattage	650 watts
Model Name	Smart BM3 750
Form Factor	ATX
Model Number	SPD-750AH2CLB
Built-In Media	Item
Connector Type	ATX, Molex, PCI Express, SATA
Cooling Method	Air
Number of Fans	1
Output Wattage	750 watts
Item Dimensions	5.9 x 5.5 x 3.4 inches
Mfr Part Number	PS-SPD-0750MNFABU-3
Compatible Devices	Personal Computer
Connector Quantity	16
Power Supply Design	Semi-Modular
Warranty Description	5 Year Manufacturer
Maximum Input Voltage	240 volts_of_alternating_current
Minimum Input Voltage	115 volts
Item dimensions L x W x H	5.9 x 5.5 x 3.4 inches
System Bus Connector Type	PCIe

Ready to buy?

Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & PCIE 5 Ready Semi-Modular Power Supply, 105°C/221°F Japanese Capacitor, 5 Year Warranty, PS-SPD-0750MNFABU-3 is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-19. Price and availability subject to change.