EVGA SuperNOVA 750 GA Power Supply Review

The EVGA SuperNOVA 750 GA does not outperform the vast majority of competing choices within the 750W class, together with the ones a few of the very best PSUs. However, at $80, this is a just right cut price, given its top construct high quality and respectable general efficiency. Additionally, the ten-year guaranty displays EVGA’s religion in its reliability. 

There are a couple of SuperNOVA continual provide lineups from EVGA. The GA one vary is composed of four contributors with capacities starting from 550W to 850W. We noticed this one had certain critiques on Amazon and different resellers, so we selected to get and take a look at one.

The 750W member of the SuperNOVA GA line will likely be our take a look at matter. This unit has Gold potency within the 80 Plus same old and Silver within the Cybenetics scale. It additionally has a Cybenetics Same old++ noise ranking, that means that you will not want earplugs to make use of it. But even so the absolutely modular cable design and compact dimensions, the double ball-bearing fan is any other attention-grabbing function. DBB enthusiasts, typically, are most well-liked to FDB ones below harsh stipulations as a result of they’re extra tolerant to larger running temperatures.

The OEM at the back of the SuperNOVA 750 GA is Andyson, a producer we do not continuously see. It is a disgrace as a result of now we have noticed some terrific platforms from this OEM previously, together with the Aerocool Undertaking 7 PSUs. 


Producer (OEM)Andyson 
Max. DC Output750W
Potency80 PLUS Gold, Cybenetics Silver (85-87%)
NoiseCybenetics S++ (30-35 dB[A])
Modular✓ (Totally)
Intel C6/C7 Energy State Give a boost to
Working Temperature (Steady Complete Load)0 – 50°C
Over Voltage Coverage
Beneath Voltage Coverage
Over Energy Coverage
Over Present (+12V) Coverage
Over Temperature Coverage
Brief Circuit Coverage
Surge Coverage
Inrush Present Coverage
Fan Failure Coverage
No Load Operation

135mm Double Ball Bearing Fan (RL4Z B1352512EH)

Semi-Passive Operation✓ (Selectable)
Dimensions (W x H x D)150 x 85 x 150mm
Weight1.54 kg (3.4 lb)
Shape IssueATX12V v2.52, EPS 2.92
Guaranty10 Years

Energy Specs

Max. EnergyAmps202062.530.3
General Max. Energy (W)750

Cables & Connectors

DescriptionCable DependConnector Depend (General)GaugeIn Cable Capacitors
ATX connector 20+4 pin (590mm)1116-18AWGNo
4+4 pin EPS12V (700mm)2218-22AWGSure
6+2 pin PCIe (700mm+150mm)2418-22AWGSure
6+2 pin PCIe (700mm)2218-22AWGSure
SATA (560mm+105mm+105mm)3918AWGNo
4-pin Molex (550mm+100mm+100mm+100mm)1418AWGNo
FDD Adapter (100mm)1122AWGNo
AC Energy Twine (1400mm) – C13 coupler1118AWG

There are two EPS connectors on devoted cables and six PCIe on four cables. The selection of peripheral cables is good enough, however the distance between the peripheral connectors is brief, at simply 100 mm. Finally, the in-cable caps within the ATX, EPS, and PCIe cables may purpose bother all over cable control. 

Part Research

We strongly inspire you to take a look at our PSUs 101 article, which supplies precious details about PSUs and their operation, permitting you to raised perceive the elements we are about to speak about.

Common Information
Producer (OEM)Andyson
PCB SortUnmarried Sided
Number one Aspect
Temporary Clear out4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush CoverageNTC Thermistor SCK205R0 (5 Ohm) & Relay
Bridge Rectifier(s)


2x Infineon IPP60R099P7 (600V, 20A @ 100°C, Rds(on): 0.099Ohm)
APFC Spice up Diode
Bulk Cap(s)
1x Nichicon (400V, 560uF, 2,000h @ 105°C, GG)
Major Switchers
4x MagnaChip MDF18N50 (500V, 11A @ 100°C, Rds(on): 0.27Ohm)
APFC Controller
Resonant ControllerChampion CM6901T6X

Number one aspect: APFC, Complete-Bridge & LLC converter
Secondary aspect: Synchronous Rectification & DC-DC converters

Secondary Aspect
+12V MOSFETs4x Infineon IRFB7440PbF (40V, 122A @ 100°C, Rds(on): 2.5mOhm)
5V & 3.3VDC-DC Converters: 6x Nexperia PSMN4R0-30YLD (30V, 67A @ 100°C, Rds(on): 4mOhm)
PWM Controller(s): ANPEC APW7159C
Filtering Capacitors

Electrolytic: 2x Nichicon (2-5,000h @ 105°C, HD), 4x Rubycon (4-10,000h @ 105°C, YXJ), 4x Rubycon (6-10,000h @ 105°C, ZLH), 1x Nichicon (4-10,000h @ 105°C, HE), 1x Nichicon (5-6,000h @ 105°C, HV)
Polymer: 16x FPCAP

Manager ICIN1S429I-DCG
Fan StyleGlobe Fan RL4Z B1352512EH (135mm, 12V, 0.5A, Double Ball Bearing Fan)
5VSB Circuit

1x 100R25C SBR & 1x IPS ITU02N70A FET

Standby PWM ControllerATK AT6002H
-12V Circuit
1x STMicroelectronis L7912CV (-12V, 3mA)

The platform is by way of Andyson. The PCB is small and overpopulated. The warmth sinks are big enough and the construct high quality is top. Discovering just right Eastern caps in an 80-dollar PSU and a double ball-bearing fan is a pleasing wonder. 

The brief clear out has all important portions, together with an MOV and an NTC thermistor. The latter is supported by way of a relay, which bypasses it as soon as the PSU begins, to permit for upper potency and larger coverage from inrush currents because the NTC cools down, expanding its resistance.


(Symbol credit score: Tom’s {Hardware})

The pair of bridge rectifiers are sandwiched between two warmth sinks. 

The APFC converter makes use of two Infineon FETs and a unmarried CREE spice up diode. The APFC controller is a Champion CM6500UNX IC. The majority cap is by way of Nichicon and is of excellent high quality, however its capability isn’t top sufficient to permit for an extended than 17ms hold-up time. 

The principle FETs are four MagnaChip MDF18N50, put in in a full-bridge topology. Those FETs aren’t as just right with regards to high quality because the FETs used within the APFC converters, however because of the full-bridge topology, the tension implemented to them is decrease. An LLC resonant could also be used to supply a notable potency spice up. The resonant controller is a Champion CM6901T6X

4 Infineon FETs keep watch over the 12V rail. Two DC-DC converters keep watch over the minor rails. They use in general six FETs, and the typical PWM controller is by way of Anpec. 

Eastern producers give you the filtering caps. But even so electrolytic caps, numerous polymer ones are extensively utilized. 

The standby PWM controller is an ATK AT6002H. At the number one aspect, the 5VSB rail makes use of a FET, and at the secondary aspect, we discover an SBR. 

A number of electrolytic and polymer caps are put in at the face of the modular PCB. 


(Symbol credit score: Tom’s {Hardware})

The principle manager IC is an IN1S429I-DCG.


(Symbol credit score: Tom’s {Hardware})

The -12V rail makes use of an STMicroelectronis L7912CV. It’s great to look a regulating IC for this rail because it supplies enhanced coverage. 

Soldering high quality is just right. 

The cooling fan makes use of double ball-bearings and it’s of prime quality. 

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

To be informed extra about our PSU checks and technique, please take a look at How We Check Energy Provide Gadgets. 

Number one Rails and 5VSB Load Legislation

The next charts display the principle rails’ voltage values recorded between a variety of 40W as much as the PSU’s most specified load, together with the deviation (in p.c). Tight legislation is crucial attention each and every time we assessment an influence provide as it facilitates consistent voltage ranges in spite of various rather a lot. Tight load legislation, amongst different components, improves the machine’s steadiness, particularly below overclocked stipulations and, on the similar time, it applies much less tension to the DC-DC converters that many machine elements make the most of.

Load legislation is tight on all rails however 5VSB. 

Dangle-Up Time

Put merely; hold-up time is the period of time that the machine can proceed to run with out shutting down or rebooting all over an influence interruption.

The hold-up time is particularly shorter than 17 ms, which is what the ATX spec calls for. 

Inrush Present

Inrush present, or switch-on surge, refers back to the most, immediate enter present drawn by way of {an electrical} instrument when it’s first became on. A big sufficient inrush present may cause circuit breakers and fuses to go back and forth. It may additionally injury switches, relays, and bridge rectifiers. Because of this, the decrease the inrush present of a PSU proper as it’s became on, the simpler.

With 115V enter the inrush present is low, however this isn’t the case with 230V. 

Leakage Present

In layman’s phrases, leakage present is the undesirable switch of power from one circuit to any other. In continual provides, it’s the present flowing from the main aspect to the bottom or the chassis, which within the majority of instances is hooked up to the bottom. For measuring leakage present, we use a GW Instek GPT-9904 electric protection tester tool.

The leakage present take a look at is carried out at 110% of the DUT’s rated voltage enter (so for a 230-240V instrument, we will have to behavior the take a look at with 253-264V enter). The utmost applicable restrict of a leakage present is 3.5 mA and it’s outlined by way of the IEC-60950-1 legislation, making sure that the present is low and won’t hurt anyone coming in touch with the ability provide’s chassis.


(Symbol credit score: Tom’s {Hardware})

Leakage present is low. 

10-110% Load Checks

Those checks disclose the PSU’s load legislation and potency ranges below top ambient temperatures. Additionally they display how the fan velocity profile behaves below larger running temperatures.

Check12V5V3.3V5VSBDC/AC (Watts)PotencyFan Pace (RPM)PSU Noise (dB[A])Temps (In/Out)PF/AC Volts

The 50 C temperature seems to be to be true. I driven the PSU difficult at with regards to 47 C with 110% of its max continual, and it did not sweat. 

20-80W Load Checks

Within the following checks, we measure the PSU’s potency at rather a lot considerably less than 10% of its most capability (the bottom load the 80 Plus same old measures). That is essential for representing when a PC is idle with power-saving options became on.

Check12V5V3.3V5VSBDC/AC (Watts)PotencyFan Pace (RPM)PSU Noise (dB[A])Temps (In/Out)PF/AC Volts

With mild rather a lot the PSU’s fan does not spin, even at increased temperatures. 

2% or 10W Load Check

From July 2020, the ATX spec calls for 70% and better potency with 115V enter. The implemented load is handiest 10W for PSUs with 500W and decrease capacities, whilst for more potent devices, we dial 2% in their max-rated capability.

12V5V3.3V5VSBDC/AC (Watts)PotencyFan Pace (RPM)PSU Noise (dB[A])Temps (In/Out)PF/AC Volts

It will be great to look above 70% potency with a 2% load. 

Potency and Energy Issue

Subsequent, we plotted a chart appearing the PSU’s potency at low rather a lot and rather a lot from 10 to 110% of its most rated capability. The upper a PSU’s potency, the fewer power is going wasted, resulting in a discounted carbon footprint and decrease electrical energy expenses. The similar is going for Energy Issue.

Potency is top with standard and light-weight rather a lot, whilst there’s a lot room for development with a 2% load. The PF readings additionally want development.

5VSB Potency

Check #5VSBDC/AC (Watts)PotencyPF/AC Volts

The 5VSB rail is extremely environment friendly. 

Energy Intake In Idle and Standby

Mode12V5V3.3V5VSBWattsPF/AC Volts

Vampire continual is top with 230V enter. 

Fan RPM, Delta Temperature, and Output Noise

All effects are bought between an ambient temperature of 37 to 47 levels Celsius (98.6 to 116.6 levels Fahrenheit).


(Symbol credit score: Tom’s {Hardware})


(Symbol credit score: Tom’s {Hardware})

The fan velocity profile isn’t competitive below difficult stipulations. 

The next effects have been bought at 30 to 32 levels Celsius (86 to 89.6 levels Fahrenheit) ambient temperature.       


(Symbol credit score: Tom’s {Hardware})


(Symbol credit score: Tom’s {Hardware})

At standard running temperatures, with regards to 30 levels Celsius, the PSU’s passive mode lasts as much as 300W with a minimum load at the minor rails. The extra you push the minor rails, the speedier you turn on the fan. With a 450W load, noise exceeds 30 dBA, whilst with greater than 580W, noise is going over 35 dBA. 

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

Coverage Options

Take a look at our PSUs 101 article to be informed extra about PSU coverage options.

OCP (Chilly @ 22.5°C)12V: 100.02A (160%), 12.131V
5V: 25.4A (127%), 4.969V
3.3V: 30.2A (151%), 3.296V
5VSB: 6.8A (226.7%), 4.857V
OCP (Scorching @ 36°C)12V: 100.39A (160.62%), 12.135V
5V: 25.3A (126.5%), 4.971V
3.3V: 29.9A (149.5%), 3.299V
5VSB: 6.8A (226.7%), 4.822V
OPP (Chilly @ 21°C)1213.38W (160.03%)
OPP (Scorching @ 38°C)1218.27W (160.62%)
OTP✓ (140°C @ 12V Warmth Sink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OKCorrect however less than 16ms
Inrush: NTC Thermistor

The OCP triggering level at 12V is ready tremendous top, and the similar is going for OPP. Andyson and EVGA did this to deal with continual spikes. This isn’t very best, although, as a result of such top triggering issues almost render the PSU’s coverage options unnecessary. To the contrary, the over-temperature coverage is slightly set. 

DC Energy Sequencing

In keeping with Intel’s most up-to-date Energy Provide Design Information (revision 1.4), the +12V and 5V outputs should be equivalent to or more than the 3.3V rail all the time. Sadly, Intel does not point out why it’s so essential to all the time stay the 3.3V rail’s voltage less than the degrees of the opposite two outputs.

No issues right here because the 3.3V rail is all the time less than the opposite two. 

Move Load Checks

To generate the next charts, we set our loaders to auto mode via customized instrument ahead of making an attempt greater than 25,000 imaginable load mixtures with the +12V, 5V, and 3.3V rails. The deviations in each and every of the charts beneath are calculated by way of taking the nominal values of the rails (12V, 5V, and 3.3V) as level 0. The ambient temperature all over trying out used to be between 30 to 32 levels Celsius (86 to 89.6 levels Fahrenheit).

Load Legislation Charts

Potency Graph


(Symbol credit score: Tom’s {Hardware})

Ripple Graphs

The decrease the ability provide’s ripple, the extra solid the machine will likely be and no more tension may also be implemented to its elements.

Infrared Pictures

We observe a half-load for 10 mins with the PSU’s most sensible cover and cooling fan got rid of ahead of taking footage with a changed Fluke Ti480 PRO digicam in a position to ship an IR solution of 640×480 (307,200 pixels).

We did not realize alarmingly top temperatures on the PSU’s internals, and given the standard of the portions, the fan velocity profile may well be extra comfy. In all probability EVGA and Andyson sought after to stick at the secure aspect as a result of the ten-year guaranty. 

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

Complex Temporary Reaction Checks

For information about our brief reaction trying out, please click on right here.

In the true global, continual provides are all the time running with rather a lot that fluctuate. It is of immense significance, then, for the PSU to stay its rails inside the ATX specification’s outlined levels. The smaller the deviations, the extra solid your PC will likely be with much less tension implemented to its elements. 

We will have to word that the ATX spec calls for capacitive loading all over the brief rests, however in our technique, we additionally make a selection to use a worst case state of affairs and not using a further capacitance at the rails. 

Complex Temporary Reaction at 20% – 20ms

VoltageAhead ofAfterExchangeMove/Fail

Complex Temporary Reaction at 20% – 10ms

VoltageAhead ofAfterExchangeMove/Fail

Complex Temporary Reaction at 20% – 1ms

VoltageAhead ofAfterExchangeMove/Fail

Complex Temporary Reaction at 50% – 20ms

VoltageAhead ofAfterExchangeMove/Fail

Complex Temporary Reaction at 50% – 10ms

VoltageAhead ofAfterExchangeMove/Fail

Complex Temporary Reaction at 50% – 1ms

VoltageAhead ofAfterExchangeMove/Fail

Temporary reaction is just right sufficient at 12V, however mediocre at the minor rails. 

Flip-On Temporary Checks

Within the subsequent set of checks, we measure the PSU’s reaction in more practical brief load eventualities—all over its power-on segment. Preferably, we do not wish to see any voltage overshoots or spikes since the ones put a large number of tension at the DC-DC converters of put in elements.

There’s a vital voltage step at 5VSB, which does not fear us. The 12V slopes glance higher. 

Energy Provide Timing Checks

There are a number of indicators generated by way of the ability provide, which want to be inside of specified, by way of the ATX spec, levels. If they aren’t, there may also be compatibility problems with different machine portions, particularly mainboards. From 30 days 2020, the PSU’s Energy-on time (T1) needs to be less than 150 ms and the PWR_OK extend (T3) from 100 to 150 ms, to be suitable with the Choice Sleep Mode.

PSU Timings Desk
T1 (Energy-on time) & T3 (PWR_OK extend)

The PWR_OK extend is inside the 100-150ms area, so the PSU helps the opposite sleep mode really useful by way of the ATX spec.

Ripple Measurements

Ripple represents the AC fluctuations (periodic) and noise (random) discovered within the PSU’s DC rails. This phenomenon considerably decreases the capacitors’ lifespan as it reasons them to run warmer. A 10-degree Celsius building up can lower right into a cap’s helpful existence by way of 50%. Ripple additionally performs crucial function in general machine steadiness, particularly when overclocking is concerned.

The ripple limits, in step with the ATX specification, are 120mV (+12V) and 50mV (5V, 3.3V, and 5VSB).

10% Load9.1 mV5.4 mV4.7 mV6.3 mVMove
20% Load11.1 mV6.2 mV5.9 mV6.9 mVMove
30% Load12.2 mV6.4 mV6.8 mV7.6 mVMove
40% Load13.0 mV7.7 mV8.6 mV8.8 mVMove
50% Load13.9 mV8.3 mV9.9 mV8.8 mVMove
60% Load15.0 mV8.4 mV10.4 mV8.3 mVMove
70% Load16.1 mV9.5 mV11.7 mV8.6 mVMove
80% Load16.8 mV9.9 mV16.7 mV9.4 mVMove
90% Load17.5 mV10.6 mV17.9 mV11.9 mVMove
100% Load24.4 mV11.8 mV21.3 mV16.5 mVMove
110% Load25.4 mV13.5 mV22.2 mV30.7 mVMove
Crossload 114.3 mV10.3 mV12.6 mV10.1 mVMove
Crossload 211.2 mV10.5 mV5.0 mV8.6 mVMove
Crossload 310.3 mV6.1 mV12.5 mV8.0 mVMove
Crossload 423.6 mV10.3 mV16.3 mV15.3 mVMove

Ripple suppression is just right however the pageant is powerful on this segment. 

Ripple At Complete Load

Ripple At 110% Load

Ripple At Move-Load 1

Ripple At Move-Load 4

EMC Pre-Compliance Trying out – Reasonable & Quasi-Height EMI Detector Effects

Electromagnetic Compatibility (EMC) is the power of a tool to perform correctly in its setting with out disrupting the right kind operation of alternative within sight units.

Electromagnetic Interference (EMI) stands for the electromagnetic power a tool emits, and it may possibly purpose issues in different within sight units if too top. As an example, it may possibly purpose larger static noise for your headphones or/and speakers.

΅We use TekBox’s EMCview to behavior our EMC pre-compliance trying out.


(Symbol credit score: Tom’s {Hardware})

We did not realize any top spurs with the common and height EMI detectors. 

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

Efficiency Score


(Symbol credit score: Tom’s {Hardware})

The full efficiency isn’t that a ways from MSI’s providing, however different devices just like the Corsair RM750x and the EVGA 750 G6 are higher. 

Noise Score

The graph beneath depicts the cooling fan’s reasonable noise over the PSU’s running vary, with an ambient temperature between 30 to 32 levels Celsius (86 to 89.6 levels Fahrenheit).


(Symbol credit score: Tom’s {Hardware})

MSI’s providing may have about the similar efficiency however achieves an important win within the noise output segment. 

Potency Score

The next graph displays the PSU’s reasonable potency right through its running vary with an ambient temperature with regards to 30 levels Celsius.


(Symbol credit score: Tom’s {Hardware})

Reasonable potency is with regards to the 750 G6. 

Energy Issue Score

The next graphs display the PSU’s reasonable continual issue studying right through its running vary with an ambient temperature with regards to 30 levels Celsius and 115V/230V voltage enter. 

The APFC converter’s efficiency is low, with each voltage inputs that we attempted. 

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

At $80, the EVGA SuperNOVA 750 GA is a great deal. It achieves top sufficient general efficiency, has tight load legislation and respectable ripple suppression and is not noisy below standard stipulations. Additionally, it makes use of an absolutely modular cable design, and its construct high quality is forged. We discovered Eastern caps far and wide, together with a high quality double ball-bearing fan, and this is the reason EVGA helps this platform with a hefty, ten-year guaranty. The numerous downsides are the lower-than-17 ms hold-up time and the no longer as it should be set coverage options.


(Symbol credit score: Tom’s {Hardware})

To retain compatibility with the more recent technology GPUs, which ship top continual spikes, EVGA seems to be to have requested Andyson to closely adjust the security options of the 750 GA, rendering them unnecessary. that one thing is far off when you want to use greater than 1200W of load to a 750W PSU to pressure it to close down. The unit may have survived our checks, however its lifespan will likely be a great deal decreased with repetitive overloads just like the aforementioned. If you wish to spend extra, you have to additionally check out the Corsair RM750x or the EVGA 750 G6

MORE: Highest Energy Provides

MORE: How We Check Energy Provides

MORE: All Energy Provide Content material

Disclaimer: Aris Mpitziopoulos is Tom’s {Hardware}’s PSU reviewer. He’s additionally the Leader Trying out Engineer of Cybenetics and advanced the Cybenetics certification methodologies with the exception of his function on Tom’s {Hardware}. Neither Tom’s {Hardware} nor its mother or father corporate, Long term PLC, are financially concerned with Cybenetics. Aris does no longer carry out the true certifications for Cybenetics.

Publishing request and DMCA complains contact - support[eta]laptopfrog.com.
Allow 48h for review and removal.