Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full Modular 120mm FDB Fan 10 Year Warranty Compact 140 mm Size Power Supply

4.6 out of 5 stars 5,647 ratings

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  • COMPACT SIZE - 140 MM DEEP; High power output to size ratio.
  • FULL MODULAR; use only the cables you need to reduce clutter and improve airflow for a better ventilated system.
  • 80 PLUS PLATINUM; 90% efficient at 20% load, 92% efficient at 50% load, and 89% efficient at 100% load.
  • HYBRID SILENT FAN CONTROL; The industry's first, Seasonic patented, advanced three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode.
  • 10 YEAR WARRANTY; Our commitment to superior quality.
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Seasonic FOCUS Plus 550 Platinum SSR-550PX 550W 80+ Platinum ATX12V & EPS12V Full Modular 120mm FDB Fan 10 Year Warranty Compact 140 mm Size Power Supply
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Seasonic Prime 600 Titanium SSR-600TL 600W 80+ Titanium ATX12V & EPS12V Fanless Super Quiet 12 Year Warranty Power Supply (Prime FANLESS PX-500)
Customer Rating 4.6 out of 5 stars (5647) 3.9 out of 5 stars (20) 4.6 out of 5 stars (97) 4.6 out of 5 stars (52)
Price From $139.81 $109.99 $174.99 $164.99
Sold By Available from these sellers Amazon.com Neutron USA Amazon.com
Item Dimensions 5.51 x 5.91 x 3.40 inches 10.60 x 7.09 x 4.53 inches 12.00 x 9.00 x 5.00 inches 5.50 x 5.90 x 3.40 inches
Item Weight 5.73 lbs

Product description

Seasonic engineers have created a brand new product line based on advanced technology emanating from many years of intensive active research. The result of this development is the solid FOCUS+ Series, which implements modern design and shows outstanding electrical performance. This power supply is small and entirely modular, which will be hard to resist. It is available in 80 PLUS Platinum efficiency ratings.


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Technical Details

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Additional Information

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

Important information

Legal Disclaimer

This power supply is only compatible with cables provided by Seasonic. Any other cables not approved by Seasonic will result in item malfunction.


Customer Questions & Answers

Customer reviews

4.6 out of 5 stars
4.6 out of 5
5,647 customer ratings
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Reviewed in the United States on September 17, 2017
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Reviewed in the United States on January 24, 2018
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Reviewed in the United States on August 28, 2017
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Top international reviews

Ashleigh Carr
4.0 out of 5 stars Great build quality, not so great accessories.
Reviewed in the United Kingdom on January 21, 2018
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16 people found this helpful
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JacksGadgets
5.0 out of 5 stars So far so good **UPDATE**
Reviewed in the United Kingdom on April 15, 2020
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7 people found this helpful
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Andrei
5.0 out of 5 stars Quality, silent, easy to install, stable.
Reviewed in the United Kingdom on April 17, 2020
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7 people found this helpful
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piglet
4.0 out of 5 stars Nice replacement for suspect unbranded ATX power supply
Reviewed in the United Kingdom on May 7, 2018
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6 people found this helpful
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Mr
1.0 out of 5 stars Two not factory sealed and both faulty.
Reviewed in the United Kingdom on August 31, 2018
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10 people found this helpful
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Chopin Liszt
5.0 out of 5 stars A quiet horse
Reviewed in the United Kingdom on June 16, 2019
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4 people found this helpful
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Morgan
4.0 out of 5 stars Seems a pretty solid PSU with great warranty
Reviewed in the United Kingdom on November 6, 2018
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4 people found this helpful
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r w stimpson
4.0 out of 5 stars Excellent PSU marred only by short CPU 8/4P cable length which is not clear before purchase.
Reviewed in the United Kingdom on May 31, 2018
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4 people found this helpful
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james
5.0 out of 5 stars 5 stars EASY
Reviewed in the United Kingdom on May 11, 2018
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7 people found this helpful
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Raymond Smith
5.0 out of 5 stars Looks and feels like quality kit
Reviewed in the United Kingdom on September 14, 2018
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2 people found this helpful
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LUKE
5.0 out of 5 stars Can't fault it
Reviewed in the United Kingdom on August 3, 2018
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5 people found this helpful
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ASDIC
4.0 out of 5 stars Ok....
Reviewed in the United Kingdom on December 29, 2017
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5 people found this helpful
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Paul
5.0 out of 5 stars Very high quality psu
Reviewed in the United Kingdom on December 7, 2018
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4 people found this helpful
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M Sims
5.0 out of 5 stars Perfect
Reviewed in the United Kingdom on June 4, 2019
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2 people found this helpful
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Mr. Discreet
1.0 out of 5 stars Dead on arrival
Reviewed in the United Kingdom on September 9, 2019
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One person found this helpful
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