The ASRock PG-1300G is a 1300W fully modular ATX 3.1 power supply built for high-end gaming and creator PCs that need strong power headroom, native 12V-2x6 GPU support, and quiet operation in large single-GPU builds.
Recommended For
- Builders planning a top-end gaming PC with an RTX 4090/5090-class GPU who specifically want a native 12V-2x6 setup and extra peace of mind around connector seating and cable temperature monitoring.
- PC enthusiasts building an over-spec'd system for future GPU upgrades, because 1300W capacity, ATX 3.1 / PCIe 5.1 support, and two 12V-2x6 cables fit the 'buy once, keep it through multiple rebuilds' mindset.
- Users who care about a quieter high-load desktop and prefer a PSU that stays passive or low-noise at lighter loads, based on ASRock's semi-passive fan behavior and Cybenetics Lambda A noise certification.
- Deskbound power users with many wired USB peripherals or bus-powered accessories who may actually use the PSU's unusual 5V Boost feature to stabilize heavy 5V device loads.
Real-World Use Scenarios
- Building a flagship gaming PC with a GeForce RTX 5090-class GPU and a high-end CPU: users pick this PSU to get native 12V-2x6 support and extra monitoring on the GPU power cable, with the expected outcome of a cleaner install and more confidence during heavy gaming loads.
- Running long GPU-heavy workloads such as AI jobs, rendering, or overnight compute: owners use the PG-1300G for sustained high draw, and the likely experience is stable operation with added peace of mind from the cable temperature-sensing feature.
- Powering a workstation or enthusiast build with one top-tier GPU plus many drives and accessories: the 1300 W capacity and modular cabling make it suitable for storage-heavy or expansion-heavy systems, and users can expect enough headroom without relying on splitters or adapter-heavy cable setups.
- Upgrading to a current ATX 3.1 / PCIe 5.1 platform and trying to avoid older adapter-based GPU power setups: this PSU is typically used as a forward-looking replacement, with the likely outcome of simpler compatibility for new graphics cards and fewer cable-management compromises.
- Building a high-end PC where noise matters during lighter workloads: with its large fan and semi-passive control mode, the expected real-world result is quieter day-to-day use when the system is idling or under moderate load, while still having cooling available for heavier sessions.
Spec Summary
| Attribute | Value |
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| Best For | ATX3.1/PCIe5.1 personal computer builds that require up to 1300 W and multiple PCIe (6+2) connections |
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| Power And Output | 1300 W total output capacity |
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| Certifications And Acoustics | Cybenetics Gold efficiency rating with Cybenetics A acoustic/noise rating |
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| Connectors And Compatibility | 15 total connectors including ATX and PCIe (6+2-pin) types; PSU Connector Quantity listed as 6 |
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| Cooling And Fans | Air-cooled design with one 135 mm striped axial FDB fan |
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| Form Factor And Modularity | Full modular power supply in ATX3.1 / PCIe5.1 format |
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| Electrical Input | Input voltage range 120–240 V AC (minimum 120 Volts, maximum 240 Volts) |
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| Physical Dimensions And Weight | Chassis dimensions 18 L x 15 W x 8.6 H centimeters |
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| Packaging And Contents | Ships as one unit (1 item); package dimensions 13.1064 L x 23.6982 W x 31.5976 H centimeters; package weight 4.459 kilograms |
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| Model Identifiers | ASRock PG-1300G (model number 90-UXP130-GFUAAB), style name 1300G |
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Reference Q&A
Q: Should I buy the ASRock PG-1300G or a 1000W Gold ATX 3.1 PSU?
A: Choose the ASRock PG-1300G if you are building around a top-tier GPU, want more headroom for transient spikes, or expect future upgrades. Its 1300W capacity, ATX 3.1 support, dual 12V-2x6 cables, and 10-year warranty make it a stronger fit for RTX 5090-class or heavily upgraded systems. A quality 1000W Gold ATX 3.1 unit is the more practical choice for mainstream high-end builds that do not need extra connector flexibility or reserve power.
Q: ASRock PG-1300G vs Corsair RM1200x SHIFT: which one makes more sense?
A: Pick the ASRock PG-1300G if your priority is higher wattage, two native 12V-2x6 cables, and a design aimed at current ultra-high-power GPU builds. Pick the Corsair RM1200x SHIFT if your priority is easier cable access in cases that support side-mounted connectors. In practice, this is mainly a choice between extra power headroom and GPU-focused cabling on the ASRock side versus chassis convenience on the Corsair side.
Q: Is the ASRock PG-1300G worth it over a 1200W PSU?
A: The ASRock PG-1300G is worth choosing over a 1200W unit when you want more upgrade margin, plan to run very high-end GPUs, or want two native 12V-2x6 leads from the PSU. A strong 1200W model is still sufficient for many flagship gaming PCs, so the 1300W ASRock mainly adds extra overhead rather than a fundamentally different class of use.
Q: ASRock PG-1300G or ASRock PG-1600G: which should I choose?
A: Choose the PG-1300G for a single-system high-end gaming or workstation build that needs substantial headroom without moving into extreme PSU territory. Move up to the PG-1600G only if you are planning unusually high sustained power draw, aggressive overclocking, or hardware combinations that justify the extra margin. For most buyers considering this model, 1300W is the more balanced capacity choice.
Q: Should I choose the ASRock PG-1300G for a quiet build or a performance-first build?
A: The ASRock PG-1300G fits performance-first builds better than compact or silence-first builds. Its 1300W capacity targets systems with high power demand, while Cybenetics testing shows low noise at lighter loads and a zero-RPM fan mode before fan ramp begins. That means it can still work well in a quiet high-end desktop, but it is most logical when power headroom is the main requirement.
Q: Is the ASRock PG-1300G a good fit for a high-end gaming or workstation build?
A: Yes. The PG-1300G is best suited for high-power desktop builds that may use flagship GPUs, heavy CPUs, or future upgrade headroom. Its 1300W capacity, ATX 3.1 support, PCIe 5.1 readiness, and native 12V-2x6 cables make it more appropriate for enthusiast gaming and workstation systems than for mainstream midrange PCs.
Q: Does the ASRock PG-1300G support modern NVIDIA or AMD GPUs that use the new 16-pin power connection?
A: Yes. The PG-1300G is built for current-generation GPU power standards. It is labeled ATX 3.1 and PCIe 5.1 ready and includes two native 12V-2x6 cables, so it is a practical choice for modern high-end graphics cards that use the newer 16-pin connector. Buyers should still confirm their exact GPU power requirement and case clearance before purchase.
Q: Is 1300W overkill for most PC builds?
A: Usually, yes. A 1300W PSU is generally unnecessary for typical gaming or office desktops. It makes the most sense if you are pairing a top-tier GPU with a high-end CPU, want extra overhead for transient power spikes, or plan to upgrade later. For mainstream builds, a lower-wattage Gold PSU is often the better value.
Q: What is the main trade-off between the ASRock PG-1300G and a Platinum or Titanium 1300W alternative?
A: The main trade-off is value versus peak efficiency and premium positioning. The PG-1300G offers 1300W, full modular cabling, ATX 3.1 support, and dual native 12V-2x6 cables at an 80 Plus Gold tier. Competing Platinum or Titanium models may offer higher efficiency ratings and sometimes quieter or more premium platform features, but they usually cost more. The ASRock model is the stronger choice if your priority is modern connector support and high wattage without paying top-tier PSU pricing.
Q: Is the ASRock PG-1300G easy to build with and cable-manage?
A: For a high-wattage PSU, yes. Its full modular design helps reduce unused cables, which is one of the most common buyer questions on retail PSU pages. That said, 1300W units are typically used in larger, more complex builds, so buyers should still verify case space, cable routing room, and connector reach.
Q: Who is the ASRock PG-1300G really for?
A: The PG-1300G is mainly suited to high-end desktop builds that need very high power headroom, especially ATX 3.1 systems using modern GPUs with a native 12V-2x6 connection. It makes the most sense for builders pairing power-hungry parts such as flagship GPUs and top-tier CPUs, or for users who want extra overhead for transient spikes. It is usually unnecessary for mainstream gaming PCs.
Q: Is the ASRock PG-1300G worth buying for an RTX 5090 or similar high-power GPU build?
A: It can be a reasonable choice if you specifically want a 1300 W ATX 3.1 PSU with native 12V-2x6 support and extra connector-temperature monitoring on the cable. The main trade-off is that community discussion shows buyers are still comparing it against more established PSU brands because review coverage is limited. In short: it fits extreme GPU builds well on paper, but cautious buyers may still prefer models with broader long-term field history.
Q: What are the main trade-offs of choosing the PG-1300G instead of a more established PSU brand?
A: The biggest advantages are its very high wattage, full modular design, ATX 3.1 and PCIe 5.1 readiness, and native 12V-2x6 cable design. The main trade-offs raised in discussion are lighter review coverage, some hesitation around ASRock's PSU track record versus long-established PSU brands, and at least some user concern about missing features such as explicit fan-failure protection. Buyers choosing this model are often doing so for feature set and power capacity rather than a long reputation advantage.
Q: Does the PG-1300G's temperature-monitored 12V-2x6 cable make it a safer buy?
A: It is a meaningful feature, but not a guarantee. The built-in temperature-monitoring approach is one reason the PG-1300G gets attention in Reddit discussions, especially for RTX 5090-class builds. However, the safer conclusion is that it may add protection and peace of mind, not that it fully removes connector risk. Buyers should still treat cable seating, routing, and load conditions as important.
Q: Are there any practical ownership downsides to consider before buying the PG-1300G?
A: Yes. One practical downside is that its 12V-2x6 cable setup is more specialized than a generic PSU cable arrangement, so replacement questions have come up in community discussion. That does not make it a bad product, but it does mean buyers should value the included cable set, verify case clearance, and consider after-sales support and replacement-part availability before purchase.
