Spec score 8.1
550 Watts, Gold, SFX
+Compact SFX form factor for small builds
+550W output for mid-range systems
+Includes 16-pin GPU connector
$169.12
as of 11/04/2026 07:08 PST - DetailsProduct details
Silverstone Technology Extreme 550Rz Gold 550W SFX12V 4.1 PCIe Gen 5 Modular SFX Power Supply, SST-EX550R-GM
$169.12as of 11/04/2026 07:08 PST - Details
View on AmazonSpec score8.1
Pros
+Compact SFX form factor for small builds
+550W output for mid-range systems
+Includes 16-pin GPU connector
+PCIe Gen 5 compatible
Compared with the 1 Power Supplies on this page−550 watts: 60 of the 65 here have more watts
−Fully modular not listed: 50 of the 65 here list one
How pros and cons are picked (About: Disclaimer)About this product
