Skip to content

Thermaltake · 420 W · ATX

Thermaltake Smart 500W

ATX 2.3 · 80 PLUS · Fixed cables

Capability
53
Cap / price
131
Wattage value
84
Amazon
$40
Thermaltake Smart 500W
View Thermaltake Smart 500W Gallery in high resolution
$40
Available on Amazon Updated Aug 30, 2026 Prime FBA
Capability52.5
Capability / price131.3
Wattage value84.0
$40 on Amazon PSU table Compare this PSU

Size this PSU for a complete buildThe Builder unlocks PSU choices after it knows the CPU, GPU, case format, and estimated demand. Calculate build power first

Written analysis

Thermaltake Smart 500W at a glance

The Thermaltake Smart 500W is a 420 W ATX power supply built to the ATX 2.3 generation. Efficiency is listed as 80 PLUS. Cables are fixed.

The calculated capability score is 52.5, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 5 years. +12V output is 35 A.

Best fit: Lower-draw systems after confirming the complete component power budget and connector requirements.

Platform and cooling

Dimensions are listed as 150 x 85 x 140 mm. Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 35.00 A per rail. Certifications include 80 PLUS .

Current value

At $40, price per kilowatt is $95.21. Capability / price is 131.3 and wattage value is 84.0. 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 500W
Launch price
—
Amazon price
$40
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

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

Value

Amazon price
$40
Price / kW
$95.21
Capability
52.5
Capability / price
131.3
Wattage value
84.0

Platform & size

ATX generation
2.3
Form factor
ATX
Dimensions
150 x 85 x 140 mm
Modular
No
Fanless
No

Electrical

Input voltage
100-240
+12V output
35 A
+5V output
15 A
+3.3V output
20 A
+12V rails
1
Max amps / rail
35.00 A

Cooling & build

Fan size
120 mm
Fan stop
No
Certifications
80 PLUS

Additional information

Also listed as
Smart 500W
Note
Low overall performance and efficiency. Terrible transient response.

Amazon

Price history

Nearby capability

Similar PSUs

Power supplies close to Thermaltake Smart 500W on calculated capability. Open the PSU table to sort, filter, and compare side by side.

Compare these in the PSU table

Discussion

Comments on Thermaltake Smart 500W

No comments yet.

Vendor copy

Amazon listing details

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

Delivers 500 Watt Continuous output at plus 40 degree. Compliance with Intel ATX 12 Volt 2.31 and EPS 12V 2.92 standards

80 PLUS Certified, 80 percentage efficiency under typical load

Supports (2) PCI E 6plus2pin Connectors. Active (PFC) Power Factor Correction, MTBF: 100,000 hours

Industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection

High Quality Components

Equipped with a powerful plus 12 Volt rail, superior performance under all types of system loading

5 Year Warranty

Privacy controls

Choose whether optional analytics may run. Necessary storage remains active because it supports security, login, requested preferences, and this choice.

Necessary Security, sessions, forms, and preferences you request.
Always active