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Seasonic PRIME Ultra 1000W 80+ Titanium Power Supply, Full Modular, 135mm FDB Fan w/Hybrid Fan Control, ATX12V & EPS12V, Power On Self Tester, SSR-1000TR

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  • ATX12V / EPS12V
  • Full Modular
  • 80 PLUS TITANIUM Certified
  • 100 - 240 V 50 - 60 Hz
  • +3.3V@25A, +5V@25A, +12V@83A, -12V@0.5A, +5VSB@3A

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Seasonic USA Seasonic USA Seasonic USA
  • Ultra-High Efficiency, 80 PLUS Titanium Certified
    The Seasonic PRIME Titanium 80 PLUS Titanium certified power supply is rated to achieve 94 % efficiency at 50 % system load.
  • Super-High Efficiency, 80 PLUS Platinum Certified
    The Seasonic PRIME Platinum 80 PLUS' Platinum certified power supply is rated to achieve 92 % efficiency at 50 % system load.
  • High Efficiency, 80 PLUS Gold Certified
    The Seasonic PRIME Gold 80 PLUS Gold certified power supply is rated to achieve 90 % efficiency at 50 % system load.
  • Fully Modular Cabling Design
    It is a flexible solution that optimizes cable management and reduces clutter inside the computer case.
  • Micro Tolerance Load Regulation (MTLR)
    Seasonic's latest design keeps the output voltage within a very tight range, achieving under 0.5 % load regulation. This impressive electrical performance and stability makes this power supply an ideal choice for high-performance systems.
  • Top-Quality 135mm Fluid Dynamic Bearing (FDB) Fan
    The high-pressure oil between the FDB's drive shaft and bearing sleeve reduces friction and vibration to increase product lifetime and reliability. The 135 mm larger-sized fan allows for reduced fan rotation speed while maintaining optimal cooling.
  • Premium Hybrid Fan Control
    Sea Sonic's vast experience in designing the most silent power supplies on the market was translated into the development of a state-of-the-art fan control to keep the overall fan noise at a lowest possible level for an undisturbed user experience. The industry's first, advanced three-phased thermal control finds perfect balance between silent and cooling through three operation stages: Fanless-, Silent- and Cooling Mode. Users can manually select between the Seasonic Standard Mode (fan control without Fanless Mode) and Hybrid Mode (fan control including Fanless Mode) settings with the help of a selector switch found on the back panel of the power supply.
  • Cable-free Connection Design
    Seasonic's engineers have implemented a new design feature, where instead of cables, the back panel and PCB (Printed Circuit Board) are connected by a copper plate. This breakthrough solution not only lowers the chance of production errors during manual insertion but it also improves output power quality.
  • Super-Low Ripple Noise (under 20 mV)
    Seasonic's continued commitment to excellent analog power supply design has resulted in the suppression or ripple noise to a level well below the current industry average of 20 mV.
  • Highly Reliable Aluminum Electrolytic Solid Capacitor
    Top-grade, Japan-sourced components extend product life and ensure operation stability under extreme conditions.
  • Gold-Plated High Current Terminals
    Reduces current transmission resistance and increases efficiency.
  • Multl-GPU Technologies Supported
    8-Pin and 6-Pin PCI-E connectors support all GPU platforms.

Specifications / DC cable & Connectors
Seasonic USA Seasonic USA Seasonic USA

Learn more about the SeaSonic USA SSR-1000TR

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 12 years
  • Limited Warranty period (labor): 12 years
  • Read full details
  • Return Policies
    • Return for refund within: Non-refundable
    • Return for replacement within: 30 days
  • This item is covered by's Replacement Only Return Policy.
Ownership: 1 day to 1 week
Verified Owner
5/ 5

Pros: Works great

Cons: N/a

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
Absolute Beast!

Pros: - Plenty of Modular Cables
- High Quality Design
(Both Cables and Power Supply Alike)
- Eco Mode Button on the Outside of Power Supply
- Quiet
- Eye Catching Design

Cons: - EXPENSIVE for a 1000 watt Power Supply
- Some of the Cables could've been longer but are still adequate in length

Other Thoughts: Even though this thing has a fairly steep price tag, it's been well worth the money. it powers my I7 8700k paired with a GTX 1080ti perfectly. Things may change in the future but I definitely give if 5 out of 5 stars and would definitely buy again.

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Ownership: more than 1 year
Verified Owner
2/ 5
Avoid this supply for dual GPU setups

Pros: Near silent fan with flexible cables that have no inline caps (easy to work with and fit in the case).

Cons: I bought two of these for dual GPU (NVidia 1080 Ti or better) builds intended for deep learning. Both suffered from sporadic and sudden system resets under load.

I've had much better results with eVGA 1600W T2, the Prime Platinum 1300W, and even a lowly eVGA 1000W G3 with these sorts of workloads. These PRIME Ultra supplies seem to have issues with synchronized transient loads from dual GPUS.

Other Thoughts: I do not recommend this supply if you use dual GPUs under heavy load, even if you are well within the max power draw spec of the supply.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Stable and quiet

Pros: +comes with a ton of modular cables
+Seasonic brand and reliability

Cons: -not a huge con, but makes a "click" noise on startup and shutdown. I looked into this and apparently it's normal for some higher-end PSUs!

Other Thoughts: Would recommend! Just built a brand new PC with this. PSU is powering 2 beefy GPUs, 1 i9700k, 3 SSDs and several fans like a champ. I only wish Seasonic made this unit in a 1200w or 1400w size!

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5/ 5

Pros: - Modular
- Flat braided cables
- SILENT -- wasn't sure at first if the fan was going

Cons: If I had to list something? - The 20+4 pin connector where it attaches to the psu is a little tight fit due to the way it's split into two connections.

Other Thoughts: Great psu, would absolutely recommend.

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Awesome Product.

Pros: Extremely high quality.

The cables are flat so that you don't have to worry about the side of the case going on as much.

Cons: The cables could be a little longer with the SSD and the Molex, as the FT02 has a rotated motherboard layout.

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Ownership: 1 month to 1 year
Verified Owner
5/ 5
So far, so good

Pros: Just bought this PSU for my new build. So far it's been reliable. Will update this review to see where it stands after some time.

Cons: Certainly expensive, but you should never skimp on a PSU. Some of the cheaper models are likely just as capable since 1000W is a bit overkill.

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Best PSU on the market today

Pros: - no in-line capacitors for all cables aside from 24-pin ATX! this makes cable management way easier, and is why theyre able to make flat ribbon style on most cables.
- ripple is beyond excellent (8mV, 16mV for 12V rail)
- plenty of cables, lots of PCIe options (6- and/or 8-pin)
- looks very clean and sleek when seen in person
- seasonic is by far the best manufacturer of PSUs and I will never use any other brand
- VERY quiet, especially compared to some of the older models

Cons: No cons. Price? I paid $259.99 and it's currently selling for $244.20 -- this is pretty annoying because we were told that Seasonic would be increasing the MSRP of these units at the beginning of December due to the US/China "trade war" and tariffs. That's why I bought this on 29 November. But here we are 2 weeks into December and the price has actually DECREASED. So.. yeah.. that's pretty frustrating, as I'm pretty sure that Seasonic actually made a press release or made an official statement about the price increase.. and now to see that not be true.. Bottom line is, the market is somewhat volatile it seems.. I would buy this thing in a heartbeat at $244

Other Thoughts: for those who don't know, Seasonic is the manufacturer of Corsair PSUs .. so if you buy Corsair, you're literally buying the brand but getting a Seasonic PSU. I love Corsair and use many of their products, but I'd rather support the OEM in this case, Seasonic has never let me down.
This PSU (SSR-1000TR) is replacing a Seasonic X-1050 Gold that I've had since 2012

As said in my title, this is by far the best PSU available right now. read the JonnyGuru article too, it does a really good job of telling you why this is true.

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