SilverStone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B

SilverStone created the Essential series power supplies to provide enthusiasts with an affordable choice when building PCs. ET650-B and ET550-B have 80 PLUS Bronze efficiency with single +12V rail and the ability to provide 24/7 40continuous output. In addition, they are equipped with low-noise 120mm fan and all-black flat cables for easier management. Even high-end systems with powerful graphics cards can be powered easily by Essential series PSUs' standard 8pin / 6pin PCI-E connectors, making them an outstanding choice for those seeking the most value and performance for their money.


SilverStone's ET Series of ATX-class power supplies offers an ideal blend of features and value in the 550W-750W PSU market. The ET Series comprises four tiers:
"B" - Bronze with fixed cables
"G" - Gold with fixed cables
"HG" - Gold with semi-modular cables
"MG" - Gold with fully-modular cables
The ET550-B, the entry-level model in the 550W ET series of power supplies, offers tremendous value per dollar. It provides the following impressive features:
80 Plus Bronze efficiency
All-black flat cable design
Quiet 120mm fan
Powerful single +12V rail
Japanese primary capacitor
80 Plus LevelBronzeGoldGoldBronzeGoldWattage550W550W550W650W650WDimensions150 mm (W) x 86 mm (H) x 140 mm (D)150mm (W) x 86 mm (H) x 140 mm (D)150 mm (W) x 86 mm (H) x 160 mm (D)150 mm (W) x 86 mm (H) x 140 mm (D)150 mm (W) x 86 mm (H) x 140 mm (D)Power Density305W per liter305W per liter267W per liter360W per liter360W per literFan Size120mm120mm140mm120mm120mmRails+3.3V: 18A, +5V: 16A, +12V: 42A+3.3V: 20A, +5V: 20A, +12V: 45A+3.3V: 20A, +5V: 20A, +12V: 45A+3.3V: 20A, +5V: 17A, +12V: 50A+3.3V: 20A, +5V: 20A, +12V: 53ACable TypeFixedFixedSemi-ModularFixedFixed80 Plus LevelGoldBronzeGoldGoldGoldWattage650W750W750W750W700WDimensions150 mm (W) x 86 mm (H) x 160 mm (D)150 mm (W) x 86 mm (H) x 140 mm (D)150 mm (W) x 86 mm (H) x 140 mm (D)150 mm (W) x 86 mm (H) x 160 mm (D)150 mm (W) x 86 mm (H) x 165 mm (D)Power Density315W per liter415W per liter415W per liter363W per liter329W per literFan Size140mm120mm120mm140mm135mmRails+3.3V: 20A, +5V: 20A, +12V: 53A+3.3V: 22A, +5V: 22A, +12V: 62A+3.3V: 22A, +5V: 22A, +12V: 62A+3.3V: 22A, +5V: 22A, +12V: 62A+3.3V: 18A, +5V: 18A, +12V: 58ACable TypeSemi-ModularFixedFixedSemi-ModularFully-Modular Help others learn more about this product by uploading a video! The SilverStone ET550-B Power Supply 120mm fan for cool and quiet operation in a compact form factor All-black flat cables for easy cable management and an attractive case interior Dual 6+2-pin PCIe power cables are included