The 5 Best 750 W PSUs in 2023

Last updated Mar 20, 2023

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750W PSUs

Building a high-powered PC means choosing high-quality components, and none are as important as the power supply. A good power supply will offer the dependable and steady power that your high-end components need to run at their best. That’s where the best 750 W PSUs come into the picture.

There are a lot of 750-watt power supplies out there, so we filtered them based on criteria such as build quality, features, performance, and warranties. From budget-friendly options to premium power supplies, our five picks will reliably power your rig for years to come. Read on to find out what we have in store for you.

Short on time? The Best 750 W PSUs at a Glance

Our picks for the Best 750 W PSUs

1. Be Quiet! Pure Power 11 FM 750 W

Best 750 W PSU Overall

Wattage 750 Watts
Efficiency80 Plus Gold
ModularityFully Modular
Form FactorATX
Wattage 5 Years

Be Quiet!’s Pure Power 11 FM 750 W has stiff competition in this price range, but its excellent low-noise operation and dependable electrical performance make it the 750 W power supply unit to beat in our opinion.

The Pure Power 11 FM passed all its load regulation and ripple suppression tests with aplomb. TechPowerUp’s testing shows that load regulation on the 12-volt rail is essentially perfect. It’s smack dab in the middle of the allowed range, with little deviation across its supported range.

There aren’t any no shockers with ripple suppression either, with the Pure Power 11 FM sticking firmly within ATX spec regardless of rail. Be quiet! pulls this off without using in-cable capacitors either, which helps keep the cables nice and thin.

The Be Quiet!’s flat, capacitor-less modular cables play into another of its advantages: ease of installation. The 11 FM has more space than usual between its cable connectors, making installation a breeze. The slightly shorter-than-average 160 mm length is also helpful, increasing compatibility and ease of installation for this modular power supply.

Ripple suppression chart for the Be Quiet! Pure Power FM 11 750W.

Source: TechPowerUp

The 11 FM’s fan is a rifle-bearing design, which feels a bit low-tech compared to the fluid dynamic bearings standard on higher-end power supplies. Nonetheless, it does a steady job, keeping noise levels under 30 dB until the load hits 550 watts. You don’t get zero-RPM fan mode here, but fan noise is under control, hovering around the 2.5 dB mark when under 300 watts. So you won’t really miss it.

Is the Be Quiet! Pure Power 11 FM 750 W perfect? No, not quite. The five-year warranty is disappointing, as is the presence of cheaper, non-Japanese capacitors. But they’re acceptable sacrifices considering the be quiet!’s price.

The Be Quiet! has a significant price advantage over many Gold-rated, fully-modular competitors while offering similar performance, making it a stellar deal. It may not be the absolute best, but it’s more than good enough for most rigs.

2. Seasonic Focus Plus Platinum 750

Best Premium 750 W PSU

Wattage 750 Watts
ModularityFully Modular
Form FactorATX

The Seasonic Focus Plus Platinum 750 is the 750 W power supply to get if you want a product that’ll excel in every single metric. Class-leading load regulation and great acoustics combine with a 10-year warranty to create an excellent premium power supply option.

Electrical performance is excellent, outperforming almost all notable competitors. Tom’s Hardware measured an exceptional 0.05% deviation on the 12-volt rail. It’s well ahead of the pack, with only the Seasonic Focus Plus 750 Gold coming close.

Unsurprisingly, the Seasonic’s ripple suppression is also impressive. It’s not the best ever, but 16.3 mV of ripple on the 12-volt rail is still outstanding. For context, the ATX spec allows for 120 mV ripple here.

However, it’s slightly disappointing that the Seasonic doesn’t do better here, considering you have in-cable capacitors for its fully-modular PSU cables. These capacitors make the cables thicker than many competitors, impeding cable management, especially in smaller cases.

The Seasonic’s fluid dynamic bearing (FDB) fan and its relaxed fan profile work together to keep the Focus Plus Platinum’s noise output below 35 dB at full load. Combine that with a semi-passive mode that keeps the fan off for longer than most, and it’s safe to say that the Focus Plus Platinum is one quiet power supply.

You get a healthy selection of cables with the Focus Plus Platinum 750, befitting its premium branding. You get the essentials, but it also comes with two EPS cables for power-hungry builds. The in-cable capacitors mentioned earlier may disappoint some, but it’s not a deal-breaker.

The Seasonic Focus Plus Platinum 750 is perfect for those who desire high-end load regulation and ripple suppression for their gaming PC.There are better value units out there, but the Focus Plus Platinum 750’s electrical performance makes it the best power supply for a no-expenses-spared high-performance gaming rig.

3. Seasonic Prime Fanless TX-700

Best Quiet 700-750 W PSU

Wattage 700 Watts
ModularityFully Modular
Form FactorATX

Seasonic’s Prime Fanless TX-700 is a perfect illustration of how quiet a 750 W power supply can get. Its fan-less construction is undoubtedly the highlight, but it’s no slouch elsewhere, with all the high-quality components and long-lasting Japanese capacitors perfect for powering high-powered rigs.

The TX-700 stays well within the load regulation limits in the ATX spec. TechPowerUp’s testing shows an almost ruler-flat line with little deviation, showing that Seasonic hasn’t sacrificed electrical performance in the name of silent operation.

Load regulation chart for the Seasonic TX-700.

Source: TechPowerUp

It’s a similarly positive outlook for the TX-700’s ripple suppression credentials, too. TechPowerUp measured 23.2 mV of ripple; for reference, the safe limit on the 12-volt rail is 120 mV. That’s almost 100 mV below 120 mV, which is an excellent turnout that competes with many similarly premium power supply units.

Ripple suppression chart for the Seasonic TX-700.

Source: TechPowerUp

Its power delivery capabilities are complemented by extras that suit its price and standing. You get a healthy assortment of capacitor-less cables of various lengths, along with a nice fabric bag. There’s also a 12-year warranty, an impressive guarantee that emphasizes the faith Seasonic has in its design.

The Seasonic Prime Fanless TX-700 is an impressive power supply, its silent operation coming hand-in-hand with outstanding electrical performance. Plus that fantastic build quality and very long warranty means there’s a lot to like. We’re thoroughly pleased, but there’s a catch: as you might have guessed, the TX-700 doesn’t come cheap, and you can expect to pay around $300 for the luxury of owning one.

4. Seasonic SGX-750

Best SFX 750 W PSU

Wattage 750 Watts
Efficiency80 Plus Gold
ModularityFully Modular
Form FactorSFX
Warranty10 Years

The Seasonic SGX-750 is just the ticket for those of you who need a lot of power in a small package. It performs excellently and comes with a strong 10-year warranty and low-noise fluid dynamic bearing (FDB) fan, making it an excellent power supply for your next small form factor (SFF) gaming PC.

Load regulation is excellent across all voltage rails, with nothing out of place here. Voltage deviations are under one percent, and there’s nothing to worry about here. Seasonic hasn’t cut any corners to squeeze this much power into an SFX form factor.

Load regulation chart for the Seasonic SGX-750.

Source: KitGuru

Ditto for ripple suppression. The SGX-750 is well under the limits on all of its rails throughout the load range. Ripple increases noticeably at maximum load, but it’s all still well within the limits. No concerns here.

The FDB fan is another sign that Seasonic hasn’t skimped on the SGX-750’s components. It stays near-silent most of the time, only creeping into the audible range once you hit a nearly full-power load of 675 watts. There’s also a 10-year warranty that handily beats the Corsair SF750’s 7-year warranty. It’s a great sign of Seasonic’s confidence in its choice of design and components.

Ripple suppression chart for the Seasonic SGX-750.

Source: KitGuru

Seasonic ships the SGX-750 with flat, ribbon-style cables with no in-cable capacitors, which are perfect for cable management in cramped small form factor cases. It’s a great package, although we’d like to see an upgrade to Platinum efficiency to more directly compete with Corsair’s offering.

The Seasonic SGX-750 shows that size doesn’t necessarily matter when it comes to power supply units. Seasonic has managed to squeeze all the hallmarks of its premium full-size CPUs into a small package, making the SGX-750 the 750-watt SFX power supply to go for.

5. Thermaltake Smart BM2 750 W

Best Budget 750 W PSU

Wattage 750 Watts
Form FactorATX

Big wattage doesn’t have to come with a big price tag. Thermaltake’s Smart BM2 750 W power supply is a solid option for those shopping on a budget. It’s not an outstanding power supply but it’s one of the best power supplies at its sub-$80 price point.

Despite Thermaltake undoubtedly having to use lower-quality components to hit the BM2’s price, teardowns of the BM2 show that Thermaltake hasn’t skimped too much. Everything’s of acceptable quality and is adequate for the wattage at hand.

The 12-volt load regulation is a perfect example. It’s actually one of the better performers amongst Bronze-rated power supplies, with Tom’s Hardware only measuring a 1.25% deviation. The BM2 doesn’t come close to infringing the safe limits specified in the ATX guidelines.

Ripple suppression tests are similarly reassuring. The BM2 keeps the 12-volt rail’s ripple comfortably under the 120 mV limit. While 52.58 mV is significantly higher than our top picks, it’s to be expected at this price point.

Thermaltake cut costs by opting against in-cable capacitors for the BM2, which likely plays a role in its higher ripple. That said, capacitor-less cables are smaller and more flexible, which may be useful in budget PC cases with limited cable management features.

Other compromises include a rifle-bearing fan, a semi-modular PSU design, and a relatively short five-year warranty. None of these are deal-breakers, but they definitely reflect the BM2’s budget price. Bronze efficiency isn’t great either, but acceptable in this price range.

The Thermaltake Smart BM2 750 W isn’t the only budget 750-watt power supply out there. Still, its more compelling price compared to similarly-specced competing units makes it our pick for the best budget 750 W power supply. You might as well aim for the best bang for buck when shopping on a budget, and that’s precisely what the BM2 provides.

Closing Thoughts

Investing in one of the best 750 W PSUs will ensure that your computer runs smoothly and efficiently without issue. These power supplies offer enough juice to power upper-midrange components while still being affordable enough for lower-powered rigs that want to upgrade headroom. So it’s a great sweet spot for many users.

For most users, the Be Quiet! Pure Power 11 FM 750’s solid performance and wallet-friendly price will make it an excellent option. But if you’re after something high-end, the Seasonic Focus Plus Platinum 750 and its excellent electrical performance are worth checking out.

Need more power? Be sure to check out our list of the best 850 W PSUs.

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