XPG Pylon 450 Power Supply Review

XPG entered the affordable power supply market with the Pylon series. The smallest member of the line has a 450W capacity and is our pinnacle for this category, from when Corsair decided to retire the CX450 model, which used a modern but expensive platform, which made it difficult to keep its price low. From the moment the CX450 is out of the equation, the road is open for the XPG Pylon 450 to shine.

At just $50, it’s also one of the cheapest PSUs worth your money today, which is why it’s one of the best PSUs for gaming. (opens in a new tab) today.

Features

Technical
Manufacturer (OEM) Channel well technology
Max. DC output 450W
Efficiency 80 PLUS Bronze, Cybenetic Bronze (82-85%)
Noise Cybenetics A rating (25-30dB[A])
Modular Nope
Intel C6/C7 power state support Yes
Operating temperature (continuous full load) 0 – 50°C
Protections OVP, UVP, OPP, OCP, OTP, SCP, Surge
No load operation Nope
Cooling 120mm Fluid Dynamic Bearing Fan (HA1225M12F-Z)
Semi-passive operation Nope
Dimensions (W x H x D) 150x85x140mm
lester 1.7 kg (3.75 lbs)
Form factor ATX12V v2.52, EPS 2.92
guarantee 5 years (3 years if purchased before January 2022)
Price $50

From 2022, XPG upgraded the warranty on all Pylon models to five years to keep up with the competition. Considering the smooth dynamic bearing fan and reliable platform provided by Channel Well Technology, the warranty upgrade makes sense. The significant compromise that had to be made to reduce costs was the use of an obsolete platform, which however has DC-DC converters for the generation of minor rails and non-modular cables.

The platform uses a mix of older and newer design techniques. The two-way topology on the primary side is deprecated; the same is true for SBRs used for 12V rectification on the secondary side. The modern twist is DC-DC converters to generate the minor rails, which increases efficiency. The bulk plug is of high quality, but its voltage rating should ideally be higher, at 420V. The electrolytic caps on the secondary side are from Elite, so they are of good quality, and the same goes for the Hong Hua FDB cooling fan.

Power
Rail 3.3V 5V 12V 5VSB -12V
Max. Power (Amps) 20 20 37.5 2.5 0.3
Max. Power (Watt) 100 100 450 12.5 3.6

The 12V rail can supply the full power of the unit, while the minor rails can supply up to 100W combined.

Cables
Cable Amount included Caps integrated into the cable
20+4 pin ATX connector 1 Nope
4+4 pinEPS12V 1 Nope
PCIe 6+2 pin 1 Nope
SATA 1 Nope
SATA / 4 pin Molex / FDD 1 Nope
Mains power cord 1 N / A

All cables are fixed for a lower cost. ATX and EPS cables are long; the same goes for PCIe cables and peripherals. Finally, the distance between them is adequate at 150mm.

Performance

Load regulation is tight on all rails and ripple suppression is excellent.

Hold time isn’t long enough to meet ATX spec requirements, but this is common in the budget PSU category, as loose plugs are among the most expensive parts in a power supply. That said, the hold time is only 0.1ms off target, with the ok power signal hold time being 1.3ms below the limit.

Typically, the inrush current is much higher with a 230 V input.

The direct dual topology on the primary side does not allow for higher levels of efficiency. The PSU cannot exceed 60% efficiency with a 2% load, which is required by the ATX specification.

From the graphs, it is clear that the 5VSB rail is very efficient and the standby power requirements of the PSU are minimized.

Transient response is mediocre at 12V, decent at 5V, good at 5VSB, and terrible at 3.3V, where most PSUs in the same category don’t perform well.

On to protections and Over Current Protection trip points at 12V are set correctly, and so is Over Power Protection (OPP). On the other hand, the OCP point of the 3.3V rail could be lower.

Relative performance is high, only losing out to the Corsair CX450 and Asus TUF-450B, which use the same platform provided by Great Wall. The CX450 also used a CWT platform since Corsair decided to go with two OEMs for the CX line with similar spec platforms.

Average efficiency is about in the middle of this category, but it’s not a noisy PSU.

Final Thoughts

XPG Pylon 450W PSU from different angles.

(Image credit: future)

With the (more expensive) Corsair CX450 out of the game, the XPG Pylon 450 is one of the best choices in the small capacity category, offering good performance and increased reliability thanks to the proven CWT platform it uses and compact dimensions.

The non-modular cable design won’t appeal to most users, but modular cables would notably affect the final price, so they had to go for it. Given the not so many cables in this power supply, due to its low capacity, the non-modular design will not be a major problem. Finally, the five-year warranty offered by XPG is the icing on the cake for this product.

If you can’t get this PSU in your area, you might want to look for the Asus TUF-450B-Gaming instead. This PSU also performs very well in testing.

Alan A. Seibert