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Power Supplies under $150

All Power Supplies

7 power supplies under $150 from MSI, Thermaltake, be quiet! and more. Most cost $55 to $109, and half cost less than $75.

All filtersFilters (1)×
Efficiency: Bronze  ×Clear all
BrandMSI2SilverStone2ASRock1be quiet!1Rosewill1
Watts4502650275025001
EfficiencyGold47Platinum11Bronze7
FormATX3SFX3
ModularSemi-modular2Non-modular1
ATX versionATX 3.12
12V-2x6 GPU power12V-2x6 GPU power2
PriceUnder $754Under $1005Under $2002$75 & above3$100 & above2
Clear allShow 7 Power Supplies
Efficiency: Bronze  ×7 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
RosewillSpec score 7.8

750 Watts, Bronze, ATX, Semi-modular

−Bronze: 58 of the 65 here have a higher efficiency
$54.50-22%List: $69.99
as of 11/04/2026 07:06 PST - Details
MSISpec score 7.7

650 Watts, Bronze, Non-modular

+650W output suits mid-range gaming builds
+Compact design fits smaller cases
+Low-noise fan for quieter operation
−Non-modular design means all cables stay attached
$61.99-5%List: $64.99
as of 11/04/2026 00:18 PST - Details
MSISpec score 7.7

650 Watts, Bronze, ATX, Semi-modular

+650W output suits mid-range gaming builds
+Semi-modular design for partially detachable cables
+Compact ATX design fits smaller cases
$74.99
as of 11/04/2026 00:18 PST - Details
be quiet!Spec score 7.6

450 Watts, Bronze, SFX

+SFX form factor fits small form factor cases
+Rated at 450 watts for compact builds
−Lower 450 watt output limits high-power components
$126.00-21%Was: $160.00
as of 11/04/2026 13:06 PST - Details
SilverStoneSpec score 7.6

500 Watts, Bronze, SFX

+Compact SFX form factor suits small form factor builds
+500W output for mid-range compact systems
+80 Plus Bronze rated for efficiency
−SFX size may not fit standard ATX cases without an adapter
$109.16
as of 11/04/2026 07:08 PST - Details
ASRockSpec score 7.8

750 Watts, Bronze, ATX, ATX 3.1

−Bronze: 58 of the 65 here have a higher efficiency
$50.99
as of 11/04/2026 12:09 PST - Details
SilverStoneSpec score 7.6

450 Watts, Bronze, SFX

+Compact SFX form factor suits small form factor builds
+450W output for light to mid-range compact systems
+80 Plus Bronze rated for efficiency
−SFX size may not fit standard ATX cases without an adapter
$90.84
as of 11/04/2026 07:08 PST - Details

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
750BronzeATXSemi-modularATX 3.17.8$54.50
as of 11/04/2026 07:06 PST - Details
650BronzeNon-modular7.7$61.99
as of 11/04/2026 00:18 PST - Details
650BronzeATXSemi-modular7.7$74.99
as of 11/04/2026 00:18 PST - Details
450BronzeSFX7.6$126.00
as of 11/04/2026 13:06 PST - Details
500BronzeSFX7.6$109.16
as of 11/04/2026 07:08 PST - Details
750BronzeATXATX 3.17.8$50.99
as of 11/04/2026 12:09 PST - Details
450BronzeSFX7.6$90.84
as of 11/04/2026 07:08 PST - Details

Before you buy

Other price ranges

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Popular filters

Fully Modular Power Supplies97ATX Power Supplies95ATX 3.1 Power Supplies88Power Supplies with 12V-2x6 GPU Power8580 Plus Gold Power Supplies76Power Supplies under $200641000W Power Supplies61850W Power Supplies47

Power Supplies by use

Power Supply for a Gaming PC121

Related product types

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Spec scores, pros and cons, and prices are explained in the How it works section of the About page.