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Power supply database

PSU wattage, efficiency, electrical specs and value comparison

Compare power supplies by ATX generation, wattage, 80 PLUS efficiency, 12V output, form factor, modularity, cooling, warranty, Amazon price, and calculated value.

Power supplies: 163
Available: 90
ATX versions: 4
Brands: 10

163 power supplies · 151–163 shown

Select 2–4 PSUs for a detailed specification comparison

Power supply wattage, efficiency, electrical output, cooling, warranty, Amazon price, calculated capability, and value
Power supply	Configuration	Amazon price	Capability	Capability value	Price / kW	Status	Rated power	Efficiency	+12V output	Minor rails	ATX platform	Cabling	Cooling	Dimensions	Warranty	Certification
ASUSATX 2.4ATX ASUS TUF GAMING 550W Bronze550 W · 80 PLUS Bronze · Fixed cables	550 W · ATX 2.4ATX · 80 PLUS Bronze	$81 Amazon · paid link	57.9	71.5	$147.25Amazon price ÷ rated power	UnavailableOct 11	550 W54.3 wattage-value score	80 PLUS Bronze85% recorded efficiency	45 A1 rail · 45.8 A max/rail	+5V 20 A+3.3V 25 A	ATX 2.4100-240 input	Fixed cablesConnector list not recorded	135 mm fanNo fan-stop mode	ATX150 x 150 x 86 mm	6 yearsManufacturer warranty	80 PLUS® Bronze100-240
MSIATX 2.3ATX MSI MAG A650BE650 W · 80 PLUS Bronze · Modular	650 W · ATX 2.3ATX · 80 PLUS Bronze	$60 Amazon · paid link	57.2	95.3	$92.29Amazon price ÷ rated power	AvailableOct 11	650 W86.7 wattage-value score	80 PLUS Bronze85% recorded efficiency	54 A1 rail · 54.0 A max/rail	+5V 20 A+3.3V 20 A	ATX 2.3100-240 input	ModularConnector list not recorded	120 mm fanNo fan-stop mode	ATX140mm x 150mm x 86mm	5 yearsManufacturer warranty	80 PLUS® Bronze100-240
MSIATX 2.3ATX MSI MAG A650BN650 W · 80 PLUS Bronze · Fixed cables	650 W · ATX 2.3ATX · 80 PLUS Bronze	$60 Amazon · paid link	57.2	95.3	$92.29Amazon price ÷ rated power	AvailableOct 11	650 W86.7 wattage-value score	80 PLUS Bronze85% recorded efficiency	54 A1 rail · 54.0 A max/rail	+5V 20 A+3.3V 20 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150 x 140 x 86 mm	5 yearsManufacturer warranty	80 PLUS® Bronze100-240
ThermaltakeATX 3.0ATX Thermaltake Smart BM3 650W 80Plus Bronze ATX 3.0 & PCIE 5.0650 W · 80 PLUS Bronze · Modular	650 W · ATX 3.0ATX · 80 PLUS Bronze	$46 Amazon · paid link	57.2	124.3	$70.75Amazon price ÷ rated power	AvailableOct 11	650 W113.1 wattage-value score	80 PLUS Bronze85% recorded efficiency	54 A1 rail · 54.0 A max/rail	+5V 18 A+3.3V 18 A	ATX 3.0100-240 input	ModularConnector list not recorded	120 mm fanZero-RPM mode	ATX150mm(W)x86mm(H)x140mm(D)	5 yearsPS-SPD-0650MNFABU-3	80 PLUS® Bronze100-240
ThermaltakeATX 2.3ATX Thermaltake Smart BX1 650W Bronze650 W · 80 PLUS Bronze · Modular	650 W · ATX 2.3ATX · 80 PLUS Bronze	$60 Amazon · paid link	57.2	95.3	$92.29Amazon price ÷ rated power	UnavailableOct 11	650 W86.7 wattage-value score	80 PLUS Bronze85% recorded efficiency	54 A1 rail · 54.0 A max/rail	+5V 20 A+3.3V 20 A	ATX 2.3100-240 input	ModularConnector list not recorded	140 mm fanNo fan-stop mode	ATX150mm(W) x 86mm(H) x 160mm(D)	5 yearsPS-SPD-0650NNFABU-1	80 PLUS®Bronze100-240
ThermaltakeATX 3.1ATX Thermaltake Smart BX3 650W 80Plus Bronze ATX 3.1650 W · 80 PLUS Bronze · Fixed cables	650 W · ATX 3.1ATX · 80 PLUS Bronze	$90 Amazon · paid link	57.2	63.3	$138.91Amazon price ÷ rated power	UnavailableOct 11	650 W57.6 wattage-value score	80 PLUS Bronze85% recorded efficiency	54 A1 rail · 54.0 A max/rail	+5V 18 A+3.3V 18 A	ATX 3.1100-240 input	Fixed cablesConnector list not recorded	120 mm fanZero-RPM mode	ATX150mm(W)x86mm(H)x140mm(D)	5 yearsPS-SPD-0650NNFABU-3	80 PLUS®Bronze100-240
be quiet!ATX 3.1ATX be quiet! System Power 11 550W550 W · 80 PLUS Bronze · Fixed cables	550 W · ATX 3.1ATX · 80 PLUS Bronze	$130 Amazon · paid link	56.6	43.5	$236.27Amazon price ÷ rated power	AvailableOct 11	550 W33.9 wattage-value score	80 PLUS Bronze89% recorded efficiency	45 A1 rail · 45.8 A max/rail	+5V 20 A+3.3V 20 A	ATX 3.1200-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150 x 140 x 86 mm	5 yearsManufacturer warranty	80 PLUS Bronze200-240
CorsairATX 2.3ATX CORSAIR CX550550 W · 80 PLUS Gold · Fixed cables	550 W · ATX 2.3ATX · 80 PLUS Gold	$71 Amazon · paid link	56.2	79.0	$129.44Amazon price ÷ rated power	AvailableOct 11	550 W61.8 wattage-value score	80 PLUS Gold88% recorded efficiency	44 A1 rail · 44.0 A max/rail	+5V 20 A+3.3V 24 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX4.92 x 5.91 x 3.39 inches	5 yearsManufacturer warranty	80 PLUS Gold100-240
ThermaltakeATX 2.3ATX Thermaltake SMART 600W ATX 12V V2.3/EPS540 W · 80 PLUS · Fixed cables	540 W · ATX 2.3ATX · 80 PLUS	$43 Amazon · paid link	55.3	128.6	$79.61Amazon price ÷ rated power	UnavailableOct 11	540 W100.5 wattage-value score	80 PLUS86% recorded efficiency	42 A1 rail · 42.0 A max/rail	+5V 17 A+3.3V 22 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150 x 85 x 140 mm	5 yearsManufacturer warranty	80 PLUS 100-240
MSIATX 2.3ATX MSI MAG A550BN550 W · 80 PLUS Bronze · Fixed cables	550 W · ATX 2.3ATX · 80 PLUS Bronze	$55 Amazon · paid link	55.1	101.2	$99.09Amazon price ÷ rated power	AvailableOct 11	550 W80.7 wattage-value score	80 PLUS Bronze85% recorded efficiency	45 A1 rail · 45.0 A max/rail	+5V 20 A+3.3V 20 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150 x 140 x 86 mm	5 yearsManufacturer warranty	80 PLUS® Standard100-240
ThermaltakeATX 3.1ATX Thermaltake Smart BX3 550W 80Plus Bronze ATX 3.1550 W · 80 PLUS Bronze · Fixed cables	550 W · ATX 3.1ATX · 80 PLUS Bronze	$64 Amazon · paid link	55.1	86.3	$116.15Amazon price ÷ rated power	UnavailableOct 11	550 W68.9 wattage-value score	80 PLUS Bronze85% recorded efficiency	46 A1 rail · 46.0 A max/rail	+5V 16 A+3.3V 16 A	ATX 3.1100-240 input	Fixed cablesConnector list not recorded	120 mm fanZero-RPM mode	ATX150mm(W)x86mm(H)x140mm(D)	5 yearsPS-SPD-0550NNFABU-3	80 PLUS®Bronze100-240
ThermaltakeATX 2.3ATX Thermaltake Smart 500W420 W · 80 PLUS · Fixed cables	420 W · ATX 2.3ATX · 80 PLUS	$40 Amazon · paid link	52.5	131.3	$95.21Amazon price ÷ rated power	AvailableOct 11	420 W84.0 wattage-value score	80 PLUS85% recorded efficiency	35 A1 rail · 35.0 A max/rail	+5V 15 A+3.3V 20 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150 x 85 x 140 mm	5 yearsManufacturer warranty	80 PLUS 100-240
MSIATX 2.3ATX MSI MAG A600DN600 W · 80 PLUS · Fixed cables	600 W · ATX 2.3ATX · 80 PLUS	$46 Amazon · paid link	49.2	106.9	$76.67Amazon price ÷ rated power	UnavailableOct 11	600 W104.3 wattage-value score	80 PLUS81% recorded efficiency	50 A2 rails · 25.0 A max/rail	+5V 14 A+3.3V 14 A	ATX 2.3100-240 input	Fixed cablesConnector list not recorded	120 mm fanNo fan-stop mode	ATX150mm x 140mm x 86mm	3 yearsManufacturer warranty	80 PLUS® Standard100-240

Optional starting points

Current capability and value leaders

Useful shortcuts if you are not starting with a specific unit. Only Amazon-available power supplies are listed, using the same complete database shown above.

01
MSI MEG Ai1600T 1600 W · 80 PLUS Titanium $687
99.0
02
Seasonic Prime TX-1600 1600 W · 80 PLUS Titanium $560
99.0
03
Seasonic PRIME PX-1600 1600 W · 80 PLUS Platinum $500
98.3

All available PSUs by capability

01
Thermaltake Smart 500W 420 W · 80 PLUS $40
131.3
02
Thermaltake Smart BM3 650W 80Plus Bronze ATX 3.0 & PCIE 5.0 650 W · 80 PLUS Bronze $46
124.3
03
Thermaltake GF1 (2024) Fully Modular ATX 750W 750 W · 80 PLUS Gold $70
106.9

All available PSUs by value

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PSU wattage, efficiency, electrical specs and value comparison

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