Seasonic Vertex PXFrom real comments

Name: Seasonic Vertex PX
Rating: 2.8 (14 reviews)

Verdict distilled from 14 mentions across 11 aspects in comments under product review videos.

Positive sentiment43%

PROS 43%

CONS 57%

Rank based on 14 mentions across 11 aspects

View the verdict as

Buy this if...

You want the updated 12V-2x6 connector with Infineon PFC components
You need a high-wattage, efficient Platinum PSU for a demanding GPU build
You value Seasonic's reputation for long-term reliability

What users love

Good low-load efficiency and ripple control0 mentions

Widely praised

Updated 12V-2x6 connector and components0 mentions

Strongly positive

Strong efficiency test results0 mentions

Widely praised

Reliable long-term operation0 mentions

Widely praised

Versatile for high-end builds0 mentions

Widely praised

Skip this if...

You're not willing to pay a premium price for the connector upgrade
You can't verify you're getting the newer 12V-2x6 revision, not older 12VHPWR stock
You can't find it in stock and would rather not settle for a different tier

What users complain about

Outdated connector on older stock0 mentions

Frequently criticized

Limited availability0 mentions

Frequently criticized

High price0 mentions

Generally negative

Excessively long cables0 mentions

Generally negative

Reported startup failure0 mentions

Frequently criticized

Cheaper rebrand alternative undercuts value0 mentions

Generally negative

Compare in seconds

Based on user comments

Best choice

1Premium

Seasonic Prime TX-1300

Heavy build indicates qualityIndustry-leading warrantyVery quiet operationHigh price

Seasonic Prime TX-1300

Heavy build indicates quality

Industry-leading warranty

Very quiet operation

High price

2Premium

Seasonic TX-1300

Heavy, quality buildOutstanding warrantyGreat for high-end buildsHigh pricePossible noise under full load

Seasonic TX-1300

Heavy, quality build

Outstanding warranty

Great for high-end builds

High price

Possible noise under full load

Best value

3Premium

Seasonic Prime PX-750

Long warranty gives peace of mindGood value versus cheaper variantHandles demanding workloads with easeShort CPU cables

Seasonic Prime PX-750

Long warranty gives peace of mind

Good value versus cheaper variant

Handles demanding workloads with ease

Short CPU cables

4Premium

Seasonic Focus Px

Durable buildLong warrantyPlatinum efficiencyPremium price

Seasonic Focus Px

Durable build

Long warranty

Platinum efficiency

Premium price

5Premium

Seasonic Prime TX-750

Trusted for High-End BuildsExcellent Titanium EfficiencyFan Sourcing Difficulty

Seasonic Prime TX-750

Trusted for High-End Builds

Excellent Titanium Efficiency

Fan Sourcing Difficulty

6Premium

Seasonic Prime TX

Near-silent operationExcellent build quality and reliabilityNoctua fan upgrade qualityConfusing ATX 3.0/3.1 labelingHigh price premiumPoor availability

Seasonic Prime TX

Near-silent operation

Excellent build quality and reliability

Noctua fan upgrade quality

Confusing ATX 3.0/3.1 labeling

High price premium

Poor availability

7Mid

Seasonic Focus Plus Gold 850W

Good Value for the PriceTen-Year WarrantyQuiet OperationUnclear High-End GPU Compatibility24-Pin Cable Stiffness ConcernHigher Price Point

Seasonic Focus Plus Gold 850W

Good Value for the Price

Ten-Year Warranty

Quiet Operation

Unclear High-End GPU Compatibility

24-Pin Cable Stiffness Concern

Higher Price Point

8Premium

Seasonic TX-1000

Strong reliability reputationLong 12-year warranty80+ Titanium efficiencyGPU transient spike shutdown flawReported random shutdowns under loadUnclear if unit is revised/fixed

Seasonic TX-1000

Strong reliability reputation

Long 12-year warranty

80+ Titanium efficiency

GPU transient spike shutdown flaw

Reported random shutdowns under load

Unclear if unit is revised/fixed

9Premium

Seasonic Prime TX-1000

Long-Term Reliability for High-End Builds12-Year WarrantyTitanium Efficiency RatingGPU Power Spike Shutdowns (Older Units)Uncertainty Identifying Fixed vs. Older UnitsRandom Shutdowns Under Heavy Load

Seasonic Prime TX-1000

Long-Term Reliability for High-End Builds

12-Year Warranty

Titanium Efficiency Rating

GPU Power Spike Shutdowns (Older Units)

Uncertainty Identifying Fixed vs. Older Units

Random Shutdowns Under Heavy Load

10Mid

Seasonic Vertex GX-1000

Good Price-to-PerformanceLong Warranty CoverageAmple PCIe Cabling for GPUsCoil Whine or Buzzing NoiseReported Fire/Smoke FailureShorter Warranty than PX Line

Seasonic Vertex GX-1000

Good Price-to-Performance

Long Warranty Coverage

Ample PCIe Cabling for GPUs

Coil Whine or Buzzing Noise

Reported Fire/Smoke Failure

Shorter Warranty than PX Line

You are here

11Premium

Seasonic Vertex PX

Good low-load efficiency and ripple controlReliable long-term operationStrong efficiency test resultsLimited availabilityOutdated connector on older stockCheaper rebrand alternative undercuts value

Seasonic Vertex PX

Good low-load efficiency and ripple control

Reliable long-term operation

Strong efficiency test results

Limited availability

Outdated connector on older stock

Cheaper rebrand alternative undercuts value

12 year warranty
1. Seasonic Prime TXarrow_upward3
2. Seasonic Prime TX-1000arrow_upward3
3. Seasonic TX-1000arrow_upward3
Expensive
1. Seasonic Focus Plus Gold 850Warrow_downward1
2. Seasonic Prime TX-1300arrow_downward1
3. Seasonic TX-1300arrow_downward1
Gpu spike shutdowns
1. Seasonic Prime TX-1000arrow_downward3
2. Seasonic TX-1000arrow_downward4
Long warranty
1. Seasonic Prime TX-1300arrow_upward3
2. Seasonic Prime PX-750arrow_upward2
3. Seasonic Vertex GX-1000arrow_upward2
Quiet operation
1. Seasonic Prime TXarrow_upward5
2. Seasonic Prime TX-1300arrow_upward2
Reliable
1. Seasonic TX-1000arrow_upward5
2. Seasonic Focus Plus Gold 850Warrow_upward1
3. Seasonic Prime PX-750arrow_upward1

Overall Impression

The newest Vertex PX revision brings meaningful hardware upgrades. Commenters highlight that the latest version now features the 12V-2x6 connector, an optimized circuit design, and Infineon components replacing the original PFC MOS. Reviewers also praised the unit for passing efficiency tests with flying colors, including surprisingly good ripple control at low loads, suggesting the engineering behind the platform is solid even if buyers must confirm they're getting the updated revision rather than older 12VHPWR stock.

Real-world use suggests strong reliability but some practical quirks. One owner running a 7800x3d and 7900xtx for about ten months called it 'a dream,' though noted the cables were excessively long and hard to manage in the case. Another commenter called it worth the investment for building almost any PC. However, one user reported a brand-new PC failing to start because of the PSU, showing outcomes aren't universally trouble-free.

Price and availability are recurring frustrations for shoppers. Multiple commenters mention the connector debate factoring into price concerns, with one saying the high price combined with an outdated-feeling connector is reason enough to skip it. Others struggled to find the exact model in stock, with one settling for the Gold variant instead and another calling prices at available retailers 'scandalous,' pointing to a supply gap versus demand for this Platinum tier.

Outdated / Not-accurate data?

trending_upGood low-load efficiency and ripple control

2 mentions

Widely praised

Commenters noted surprisingly low ripple even at very low loads, which is unusual for ATX PSUs not specifically tuned for that regime. One noted 85% efficiency at 10% load looked good on the test chart.

@L1Q

I'd like to see load percentage doubled with actual wattage equivalent on the chart. home lab enthusiasts are always on the hunt of that unicorn PSU that can actually deliver decent efficiency at single digit wattage loads during idle states. very few supplies manage to do it. here 85% efficency at 10% load seems good, but is it at 10W or at 5W? can't really tell at a glance

smart_display

July 8, 2024

@Ceelvain

I'm actually surprised to see that the ripples are lower at very low load. When using ATX PSU for non-computer use, you usually have to add a load (a resistor) to pull at least a minimum current in order to get the PSU into its nicely regulated regime.\nI'd be curious to know how they did it.

smart_display

June 15, 2024

cableUpdated 12V-2x6 connector and components

1 mentions

Strongly positive

The latest Vertex PX revision replaced the original connector with the 12V-2x6 standard and upgraded to Infineon PFC MOS components with an optimized circuit design. This addresses earlier safety concerns tied to 12VHPWR connectors on high-power GPUs.

@Felix-ze4xb

The latest version of Vertex now features the 12V-2x6 connector, optimized circuit design, and the PFC MOS has been replaced with Infineon components.

smart_display

July 21, 2024

boltStrong efficiency test results

1 mentions

Widely praised

A reviewer commented that Seasonic 'put their money where their mouth is' by passing efficiency tests with flying colors. This reinforces confidence in the unit's overall power delivery quality.

@ekardnai

shoutout to seasonic for putting their money where their mouth is and passing these tests with flying colors, would love a lower wattage focus series next

smart_display

June 17, 2024

verifiedReliable long-term operation

1 mentions

Widely praised

An owner running a 7800x3d with a 7900xtx for about ten months called the experience with the PSU 'a dream,' indicating solid day-to-day reliability under a demanding build.

@anon6706

I have this in my 7800x3d and nitro+ 7900xtx. Had it for like 10 months now and it's been a dream. Cables are crazy long though had to stuff the back of my case like crazy 😂

smart_display

December 9, 2024

buildVersatile for high-end builds

1 mentions

Widely praised

A commenter described the unit as fully modular and 'worth the investment,' saying it can be used to build pretty much any PC, reflecting confidence in its flexibility for varied builds.

@zilquix

Russian tank, and it's also modular, worth the investment, you can build pretty much any pc with it

smart_displayTranslated from Romanian

December 1, 2025

warningOutdated connector on older stock

2 mentions

Frequently criticized

Several commenters flagged that some units still ship with the older 12VHPWR connector rather than 12V-2x6, and that this alone was reason enough to avoid buying, especially since some retailers don't clearly label which revision they sell.

@JimCKD

Great review as always! As u said the connector might be the reason not to choose it even if its price is high. Thumbs up for the vid.

smart_display

July 20, 2024

@portwest400

Great review. I wouldn't buy it because of the now outdated 12VHPWR connector, they need to update this. Also UK retailer's are not distinguishing between 12VHPWR and 12V-2X6 PSU's.

smart_display

July 20, 2024

inventoryLimited availability

2 mentions

Frequently criticized

Buyers reported difficulty finding the exact PX model in stock, with one settling for the Gold variant instead and another describing available listings as having 'scandalous' prices due to scarcity.

@luciotassoni7118

Where can I find it? I'm looking for the Seasonic PX 1000 ATX 3.1 80 PLUS PLATINUM but it's not found on only a couple of sites but with scandalous prices!!!!!

smart_displayTranslated from Italian

August 31, 2026

@OmarOs

Wanted to buy this exact one but couldn't find it anywhere at all and I was so mad!! ended up getting the Gold one instead 😡

smart_display

May 26, 2023

attach_moneyHigh price

1 mentions

Generally negative

A reviewer noted that the connector concerns are compounded by the unit's high price, making it a harder sell relative to competing options.

@JimCKD

Great review as always! As u said the connector might be the reason not to choose it even if its price is high. Thumbs up for the vid.

smart_display

July 20, 2024

straightenExcessively long cables

1 mentions

Generally negative

An owner mentioned the cables were extremely long, making them difficult to route and stuff behind the case despite otherwise positive reliability experience.

@anon6706

I have this in my 7800x3d and nitro+ 7900xtx. Had it for like 10 months now and it's been a dream. Cables are crazy long though had to stuff the back of my case like crazy 😂

smart_display

December 9, 2024

errorReported startup failure

1 mentions

Frequently criticized

One user reported that their brand-new PC could not start due to an issue with this PSU, raising a reliability concern for at least one unit.

@fwberg1

Don't wait too long.. my brandnew pc can't start cos of this psu. Must i order this in Korea??

smart_display

April 23, 2023

compare_arrowsCheaper rebrand alternative undercuts value

1 mentions

Generally negative

A commenter pointed out that Antec HCG units are rebranded Seasonic PX models with the newer connector at a lower price, albeit with a shorter warranty, making the Vertex PX's premium harder to justify.

@leighhaynes

Antec HCG PSU’s are rebranded Seasonic PX but with ATX 3.1 12V-2×6 and a lower price! The only cut back is the warranty, which is 10 years instead of 12.

smart_display

February 4, 2025

Seasonic Vertex PXchat_bubble_outlineFrom real comments

thumb_up_off_altBuy this if...

What users lovefavorite_border

thumb_down_off_altSkip this if...

What users complain aboutheart_broken

Compare in seconds

Who wins on what

12 year warranty

Expensive

Gpu spike shutdowns

Long warranty

Quiet operation

Reliable

auto_awesomeOverall Impression

Seasonic Vertex PXFrom real comments

Buy this if...

What users love

Skip this if...

What users complain about

Overall Impression