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Rectangular matte-black ATX power supply with honeycomb fan grille and modular cable sockets

Seasonic

Seasonic PRIME TX-1300 1300W power supply

SKU CH-BQ6Y-ND2HF MPN PRIME TX-1300

A 1300W ATX power supply with 80 PLUS Titanium efficiency, fully modular cables, a 135 mm fluid dynamic bearing fan, and 150000 hour MTBF

  • TypeATX12V
  • Maximum Power1300 W
  • Fans1 x 135 mm Fluid Dynamic Bearing
  • Main Connector20+4Pin
  • +12V RailsSingle
  • PCI-Express Connector8 x 6+2-Pin

Options ATX Titanium (1300W)

  • Delivers 1300 W of continuous power for demanding systems
  • 80 PLUS Titanium certification cuts wasted energy and heat
  • Fully modular cables keep the build tidy and airflow clear
  • 135 mm fluid dynamic bearing fan runs quietly under load
  • 150000 hour MTBF signals long-term reliability

1300W ATX Titanium PSU

The Seasonic PRIME TX-1300 is a 1300W ATX power supply with 80 PLUS Titanium certification and a fully modular cable design. It uses a single +12V rail and includes a 135 mm Fluid Dynamic Bearing fan. The unit measures 210 mm in length and carries a 12 year manufacturer warranty.

Two 16 pin PCIe cables

The bundle provides two 12VHPWR cables rated for 750 mm, eight 6+2 pin PCIe cables and three 4+4 pin EPS cables. This connector mix supports multiple high-end graphics cards and multi-CPU motherboards without adapters. All cables are PVC embossed for easier routing.

210 mm case clearance

Verify that your chassis allows at least 210 mm for the power supply depth before ordering. Ensure the motherboard has the required 24 pin ATX and 8 pin EPS sockets. Confirm your graphics cards use 6+2 pin or 12VHPWR connectors.

Highlights

  • Delivers 1300 W of continuous power for demanding systems
  • 80 PLUS Titanium certification cuts wasted energy and heat
  • Fully modular cables keep the build tidy and airflow clear
  • 135 mm fluid dynamic bearing fan runs quietly under load
  • 150000 hour MTBF signals long-term reliability

Specifications

BrandSeaSonic
ModelPRIME TX-1300
TypeATX12V
Maximum Power1300 W
Fans1 x 135 mm Fluid Dynamic Bearing
Main Connector20+4Pin
+12V RailsSingle
PCI-Express Connector8 x 6+2-Pin
SATA Power Connector18
Max PSU Length210 mm
ModularFull Modular
Energy-Efficient80 PLUS TITANIUM Certified
ProtectionOPP, OVP, UVP, OCP, OTP, SCP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15-8 A
Output+3.3V@25A, +5V@25A, [email protected] , [email protected] , +5VSB@3A
MTBF>150,000 Hours
ApprovalscTUVus, TUV, CB, CCC, BSMI, EAC, CE
Energy Star, RoHS, WEEE, ErP Lot 6, REACH
Connectors1 x 24 pin (20+4) ATX
3 x 8 pin (4+4) EPS (CPU)
8 x 8 pin (6+2) PCIe
2 x 16 pin PCIe
18 x SATA
3 x 4 pin Peripheral
Cable Spec20+4Pin MB: One cable (610mm)
4+4Pin CPU: Three cables (700mm)
PCI-E 6+2Pin: Eight cables (750mm)
4 x SATA: Four cables (950mm)
2 x SATA: One cable (550mm)
3 x Molex: One cable (690mm)
12VHPWR: Two cables (750mm)
Dimensions3.39" x 5.91" x 8.27"
Shipping weight6.14 kg
Package size470 × 197 × 127 mm

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Questions about this item

Will the 135 mm fluid dynamic bearing fan need replacement during the 12 year warranty period?

The fan is rated for over 150,000 hours MTBF, which is well beyond the 12 year warranty, so replacement within that period is unlikely.

At sustained 1300 W output, which protection limit activates first?

Over-power protection (OPP) triggers if the load exceeds 1300 W, while over-temperature protection (OTP) engages if internal components overheat during prolonged full-load operation.

How loud and hot does the unit get when running at full load all day?

The premium hybrid fan control keeps the 135 mm FDB fan at low RPM until higher temperatures are reached, so noise stays minimal and heat is exhausted efficiently through the 210 mm deep chassis.

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