Seasonic Prime Titanium TX-1300 (1300W PSU) review

PSU - Power Supply Units 108 Page 2 of 8 Published by

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Certification and efficiency

Energy efficiency certification

Seasonic markets the SEASONIC PRIME TITANIUM TX-1300 as an 80 Plus Titanium power supply. Certification is performed by an organization called 80 PLUS. But what does this mean “on paper”? It’s a pram introduced in 2004 to promote efficient energy use in computer power supply units (PSUs). Only products that offer more than 80% efficiency at 20, 50, and 100% load, and a power factor of 0.9 or more, are eligible. The PSU will waste 20% or less electric energy as heat, reducing power consumption and bills compared with less efficient designs.  

 

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80 Plus test type

115 V internal non-redundant

230 V EU internal non-redundant

Percentage of rated load

10%

20%

50%

100%

10%

20%

50%

100%

80 Plus


80%

80%

80%


82%

85%

82%

80 Plus Bronze


82%

85%

82%


85%

88%

85%

80 Plus Silver


85%

88%

85%


87%

90%

87%

80 Plus Gold


87%

90%

87%


90%

92%

89%

80 Plus Platinum


90%

92%

89%


92%

94%

90%

80 Plus Titanium

90%

92%

94%

90%

90%

94%

96%

94%


As you can see above, there are 80 Plus, Bronze, Silver, Gold (these three are from 2008), Platinum (2009), and Titanium (2012) certificates. As power consumption has dropped, most computers with a single GPU don’t need more than a 600-650 W PSU. The PSU tested today is the most efficient at 50% load (650 W), but the differences above and below this threshold are insignificant. You don’t need to keep it precisely at half load, but it’s best to stay below the maximum wattage for better noise performance, longevity, etc. The reviewed sample is 80 PLUS Titanium certified – up to ~94% efficiency @ 115 V (at 20~100% loads), and 96% @ 230 V – and has active PFC with a power factor of up to 0.99. It consumes < 0.3 W in its off-mode, complying with the ERP standard.


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The actual results were possible to find on the 80 Plus website. Also, you can find the Cybernetics results here for the 1600W variant.

Technical Specs below: 

Max. DC Output

1300 W

PFC

Active PFC

Efficiency

80 PLUS Titanium

Topology

Primary side: Bridgeless, Interleaved PFC, Full-Bridge & LLC converter

Secondary side: Synchronous Rectification & DC-DC converters

Modular

Yes

Protections

OPP, OVP, UVP, OCP, OTP, SCP

Cooling

Hong Hua HA13525H12SF-Z (135mm, 12V, 0.5A, Fluid Dynamic Bearing Fan)

Semi-passive operation

Yes

Dimensions (W x L x H)

210 x 150 x 86 mm

Weight

3.03 kg

Warranty

Twelve years

As for the provided cables, you’ll find this information in the unboxing section of the review. The street price of the reviewed unit is 460 EUR. Let’s see if it’s worth it. Next page, please.

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