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Seasonic PRIME Ultra 850W 80+ Platinum Power Supply, Full Modular, 135mm FDB Fan w/Hybrid Fan Control, ATX12V & EPS12V, Power On Self Tester, 12 yr Warranty, SSR-850PD (V2)

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  • ATX12V
  • Full Modular
  • 80 PLUS PLATINUM Certified
  • 100 - 240 V 50/60 Hz
  • +3.3V@20A, +5V@20A, +12V@70A, -12V@0.3A, +5VSB@2.5A

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
Seasonic USA Seasonic USA Seasonic USA
Features
  • 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-850PD (V2)

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: 30 days
    • Return for replacement within: 30 days
  • This item is covered by Newegg.com's Standard Return Policy.
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Works great!

Pros: Easy set up
Quiet, even without using hybrid mode

Cons: The ATX 24pin cable is a bit on the stiff side, required some finagling to get confidently positioned in my case.

Overall Review: I wish the manuals would have explained exactly what hybrid mode does. The product page was more informative than the documentation.

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Seasonic proves that they are the best in the biz

Pros: Excellent build quality and whisper quiet design.

Cons: Price, but you already know that buying the best.

Did you find this review helpful?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Excellent

Pros: -silent
-stable
-quality product

Cons: -none that I can think of

Overall Review: Decided to upgrade to a new system and gave my old one to my wife, old one I've had for 4 years with no problems. Bought a new one for the new system.

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Ownership: 1 week to 1 month
Verified Owner
3/ 5
First Seasonic Power Supply

Pros: Purchased to replace a failed PC Power & Cooling supply that died. Supposed to be a decent power supply, and it appears to be working properly.

Cons: I spent extra on the Prime Ultra because the pictures indicated that most of the cables were mesh wrapped. When I received it, I discovered that only the motherboard cable is wrapped. The remaining cables are flat. I managed to get them routed nicely, but it doesn't look as nice as wrapped cables. I didn't have time wait to see if I could get them replaced with what is pictured on the NewEgg site because I needed the computer back in service. The SATA cables in particular are hard to insert, and after installation I had some shutdowns that appeared to be connection related. I rechecked all of the cables and hope I have this resolved.

Overall Review: Not the best initial experience with my first Seasonic product. I hope it proves my initial doubts to be unfounded.

Did you find this review helpful?
Manufacturer Response:
Hello Kevin,

Thank you for your comment. The first version of the PRIME came with sleeved cables but the version you have is the PRIME Ultra and it got black and flat cables except for the 24 pins. We will double check with Newegg if their pictures are up to date. We are sorry for the confusion and inconvenience it may have caused.

Thank you.
Best regards,
Ownership: 1 week to 1 month
Verified Owner
5/ 5
Quality you would expect from Seasonic

Pros: Excellent product with all needed modular cables. Quiet as you wish with option for hybrid fan control and 12 yr warranty

Cons: None, I have had other Seasonic procucts and have never had any issues

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Works Great

Pros: Works as it should been running 24x7 for the last week. They provided all the cables I needed plus more. I have had no issues at all with this power supply.

Cons: none

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Ownership: 1 week to 1 month
Verified Owner
5/ 5
Excellent Product

Pros: Silent
Very high quality unit, cables, packaging
No coil whine
Better than Corsair HX series I upgraded from

Cons: None
Instruction manual translation is a bit off in some places

Overall Review: Highly recommended, will not be going with another power supply brand after owning a Seasonic

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Ownership: 1 day to 1 week
Verified Owner
5/ 5
Very nice, compact power supply.

Pros: - Like that the power supply is much smaller than my old Corsair Rm850i
- Good price for platinum efficiency
- Two CPU power cables for those on Z390 board
- Lots of rebates with this particular model
- Additional cable management goodies inside

Cons: - Nothing so far

Overall Review: - Would recommend to anyone that needs additional motherboard power or is interested in a more compact product.

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    • Seasonic PRIME Ultra 850W 80+ Platinum Power Supply, Full Modular, 135mm FDB Fan w/Hybrid Fan Control, ATX12V & EPS12V, Power On Self Tester, 12 yr Warranty, SSR-850PD (V2)
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    Ships from United States.
    On-Time
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