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Seasonic B12 BC B12-BC-550

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Power: 550; Cooling system: active; MB/CPU power supply: 24+8 (4+4); Manufacturer's warranty: 5 years;
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Seasonic B12 BC B12-BC-550
Main
Power550 W
Form factorATX
Specs
PFCactive
Efficiency85 %
Cooling systemactive
Fan size120 mm
Certification80+ Bronze
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA3
MOLEX3
PCIe 8pin (6+2)2
Cable systemnon-modular
Braided wires
Cable length
MB550 mm
CPU600 mm
SATA690 mm
MOLEX690 mm
PCIe700 mm
Max. power
+3.3V15 А
+5V15 А
+12V145 А
-12V0.3 А
+5Vsb2.5 А
+12V540 W
+3.3V +5V100 W
-12V3.6 W
+5Vsb12.5 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOCP
Manufacturer's warranty5 years
Dimensions (HxWxD)86x150x140 mm
Official Websiteseasonic.com
Added to E-CatalogMay 2021
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Seasonic 2026 - new arrivals, bestsellers, and the most relevant models Seasonic.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer
Excellent prytania unit and one of the few affordable options from Seasonic
30 October 2023 
I'm happy with the power supply so far, I've been using it for 2.5 years
Low voltage protection level
-
ZloyRoyuse Seasonic B12-BC-550 more than year
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