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A rectangular black ATX power supply unit with a matte finish and a cooling fan grille on one side

Seasonic

Seasonic SSR-1300TR2 1300W 80+ Titanium ATX power supply

SKU CH-56PG-HTR9W

Delivers 1300 W with 80+ Titanium efficiency in a standard ATX form factor

  • Max wattage1300 W
  • Product typeATX
  • 1300W output powers demanding builds
  • 80+ Titanium efficiency cuts waste heat
  • ATX form factor fits standard cases
  • 100% functional unit ready to install
  • New condition ensures full product life

What this unit delivers

The Seasonic SSR-1300TR2 is a 1300 watt ATX power supply carrying 80 Plus Titanium certification. It is built for desktop systems that demand high continuous output with top-tier efficiency.

Who should consider it and who should not

Enthusiasts running multi-GPU workstations or heavily overclocked single-card rigs will benefit from the headroom and low waste heat. Builders assembling compact ITX chassis or budget-oriented mid-range PCs should look at lower-wattage units that fit their case and cost targets.

The specification that decides fit

The 1300 watt maximum power rating is the single figure that determines whether this PSU matches your build. Confirm your peak system draw stays within this limit before purchasing.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $293.99
Pricier than about 77% of the 10,869 comparable items (median $142.99).
Max wattage 1300 W
Higher than about 91% of the 930 comparable items (median 850 W).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameSeaSonic USA
Part numberSSR-1300TR2
Product typeATX
Power
Max wattage1300 W

Questions about this item

What ATX case and motherboard do I need to install the SSR-1300TR2?

The SSR-1300TR2 uses the standard ATX form factor, so it fits any ATX-compatible case and works with an ATX motherboard that has a 24-pin main power connector plus the required CPU and PCIe cables.

Will this 1300W unit run stably with an older CPU that draws less power?

Yes, the 1300W capacity and 80+ Titanium efficiency rating mean it delivers clean, stable power at low loads, so older components receive the same tight voltage regulation as newer ones.

How can I confirm the SSR-1300TR2 is operating correctly after installation?

Power on the system; the fan should spin and the PSU should stay silent under load while the motherboard POST completes and the OS boots without unexpected shutdowns.

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