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Thermaltake · 650 W · ATX

Thermaltake Smart BX3 650W 80Plus Bronze ATX 3.1

ATX 3.1 · 80 PLUS Bronze · Fixed cables

Capability
57
Cap / price
65
Wattage value
59
Amazon
$88
$88
Available on Amazon Updated Aug 30, 2026
Capability57.2
Capability / price65.0
Wattage value59.1
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Written analysis

Thermaltake Smart BX3 650W 80Plus Bronze ATX 3.1 at a glance

The Thermaltake Smart BX3 650W 80Plus Bronze ATX 3.1 is a 650 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Bronze. Cables are fixed. It supports fan-stop at low load.

The calculated capability score is 57.2, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 5 years. +12V output is 54 A.

Best fit: Mainstream gaming and productivity builds where efficiency and cable management matter.

Platform and cooling

Dimensions are listed as 150mm(W)x86mm(H)x140mm(D). Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 54.00 A per rail. Certifications include 80 PLUS®Bronze.

Current value

At $88, price per kilowatt is $135.32. Capability / price is 65.0 and wattage value is 59.1. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer
Thermaltake
PSU
Thermaltake Smart BX3 650W 80Plus Bronze ATX 3.1
Model
PS-SPD-0650NNFABU-3
Launch price
Amazon price
$88
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

Wattage
650 W
Efficiency
80 PLUS Bronze
Recorded efficiency
85%
Warranty
5 years

Value

Amazon price
$88
Price / kW
$135.32
Capability
57.2
Capability / price
65.0
Wattage value
59.1

Platform & size

ATX generation
3.1
Form factor
ATX
Dimensions
150mm(W)x86mm(H)x140mm(D)
Modular
No
Fanless
No

Electrical

Input voltage
100-240
+12V output
54 A
+5V output
18 A
+3.3V output
18 A
+12V rails
1
Max amps / rail
54.00 A

Cooling & build

Fan size
120 mm
Fan stop
Yes
Certifications
80 PLUS®Bronze

Additional information

Also listed as
Smart BX3 650W 80Plus
Color
Black

Amazon

Price history

Nearby capability

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Comply with Intel ATX 3.1 standard

80 PLUS Bronze certified efficiency

DC to DC design with high quality 105°C/221°F main capacitor

Complete hardware protection: OCP, OVP, UVP, OPP, SCP, OTP

5 year warranty