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Seasonic Power Supply SSR-850PXR-550PX ATX 12V and EPS12V 850W 80PLUS Platinum


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Out of stock

Thanks to its small form factor the Focus+ Platinum 850 watt power supply is a mighty solution for those, who want to implement a smaller HTPC system or living room computer. This high quality unit is built with top-rated highly reliable aluminum electrolytic solid capacitors and it features Seasonic’s new cable-free connection design where the back panel and the PCB (Printed Circuit Board) are connected by a copper plate. This premium design feature is a breakthrough solution that lowers the chance of production errors and improves output power quality.

80 PLUS®Platinum
The higher the level of efficiency of the power supply, the less power gets wasted in the form of excess heat . The 80 PLUS® Platinum certification guarantees greater than 90 %, 92 % and 89 % efficiency at 20 %, 50 % and 100 % operating loads, respectively. The Seasonic Platinum Series represents the highest level of technology and efficiency achievement of Sea Sonic during its 40 years of commitment to engineering excellence.

Compact Size
This ultra-high power density, small footprint (140 mm depth) power supply is an ideal choice for all, especially compact ATX cases.

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.

Benefits of this design
• Reduced noise without increase in temperature;

• Extended fan life due to the reduced number of fan rotations;

• Optimized heat dissipation at all times;

• Unsurpassed silent performance in Fanless Mode.
Form Factor
Intel ATX 12 V
Fan Information
Fan Size: 120 mm
Fan Control: Hybrid Silent fan Control
Fan Bearing: Fluid Dynamic Bearing
Life Expectancy: 50,000 hours at 40oC, 15 % – 65 % RH
Cable Information
Modularity: Fully Modular
Cable type:
– Motherboard, CPU, PCIe – Black webbeb cables
– SATA, Molex, Floppy – Flat black cables
Electrical Features
Operating Temperature: 0 to 50oC
MTBF at 25oC, excl. fan: 100,000 hours
AC Input: Full Range
Protection: OPP, OVP, UVP, OCP, OTP, SCP
Safety and Environmental
Safety and EMC: cULus, TUV, CB, CCC, BSMI, EAC, RCM
Environmental Compliance: Energy Star, RoHS, WEEE, ErP Lot 6, REACH
1 x Main Power (20/24 pins): 1 x 610 mm
2 x CPU (4/8 pins): 2 x 650 mm
6 x PCIe (6/8 Pins): 3x 675 + 75 mm
10 x SATA: 2 x 450 + 120 + 120 + 120 mm / 1 x 350 +120 mm
5 x Peripheral: 1 x 450 + 120 + 120 mm/ 1 x 350 +120 mm
1 x Floppy: 1 x 101 mm
AC Input
Voltage: 100 V – 240 V
Current: 12 – 6 A
Frequency: 50 Hz – 60 Hz
DC Output
Rail/ Maximum Power:
+3.3 V /20 A / 100W
+5 V / 20 A / 100W
+12 V / 70 A / 840W
-12 V / 0.3 A / 3.6W
+5 VSB / 3.0 A / 15W
Total continuous power
850 W
Item Dimension (L inchxW inchxH inch)
6 x 6 x 4
7.30 lb
Warranty Information
10 years


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