--- product_id: 61662718 title: "Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B" brand: "silverstone" price: "$283.68" currency: USD in_stock: true category: "Silver Stone" url: https://www.desertcart.ec/products/61662718-silverstone-technology-550-watt-80-plus-bronze-atx-psu-flat store_origin: EC region: Ecuador --- # 550W reliable power output 80 PLUS Bronze high efficiency All-black flat cables for sleek cable management Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B **Brand:** silverstone **Price:** $283.68 **Availability:** ✅ In Stock ## Summary > ⚡ Power your passion with silent efficiency and sleek style! ## Quick Answers - **What is this?** Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B by silverstone - **How much does it cost?** $283.68 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/61662718-silverstone-technology-550-watt-80-plus-bronze-atx-psu-flat) ## Best For - silverstone enthusiasts ## Why This Product - Trusted silverstone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Silent but Strong:** Whisper-quiet 120mm fan running at just 18 dBA keeps your setup cool and distraction-free - • **Sleek & Streamlined:** All-black flat cables not only look professional but simplify your cable management game - • **Efficiency That Saves:** 80 PLUS Bronze certification means less energy waste and lower bills - • **Power Through Your Day:** 550 watts of continuous, stable power even at 40℃ for 24/7 reliability - • **Ready for High-End Builds:** Class-leading single +12V rail with PCI-E 6pin & 8pin connectors powers demanding GPUs effortlessly ## Overview The SilverStone ET550-B is a 550W ATX power supply delivering continuous 24/7 power at up to 40℃ with 80 PLUS Bronze efficiency. Featuring a quiet 120mm fan and all-black flat cables, it supports high-end graphics cards via PCI-E 6pin and 8pin connectors, making it an ideal, affordable choice for professional-grade PC builds. ## Description 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 40℃continuous 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. ## Features - High efficiency with 80 PLUS Bronze certification - 24/7 continuous power output with 40℃ operating temperature - Class-leading single +12V rail. PCI-E 8pin and PCI-E 6pin connectors support. - Silent running 120mm fan with 18 dBA - All-black flat cables design ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B071HHSY2M | | Best Sellers Rank | #944 in Computer Power Supplies | | Brand | SilverStone | | Built-In Media | ET550-B PSU | | Compatible Devices | Personal Computer | | Connector Type Used on Cable | ATX | | Cooling Method | Air | | Customer Reviews | 4.6 4.6 out of 5 stars (161) | | Fan Size | 120 Millimeters | | Form Factor | ATX | | Global Trade Identification Number | 00844761014513 | | Item Dimensions | 5.91 x 5.51 x 3.39 inches | | Item Type Name | SilverStone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B | | Manufacturer | SilverStone Technology | | Maximum Input Voltage | 250 Volts | | Mfr Part Number | ET550-B | | Minimum Input Voltage | 50 Volts | | Model Name | PS-ET550-B | | Model Number | SST-ET550-B | | Number of Fans | 1 | | Output Wattage | 550 | | Power Supply Design | Non-Modular | | System Bus Connector Type | 6pin,8pin | | UPC | 844761014513 | | Upper Temperature Rating | 40 Degrees Celsius | | Warranty Description | 1 Year Parts and Labor | | Wattage | 550 watts | ## Product Details - **Brand:** SilverStone - **Compatible Devices:** Personal Computer - **Connector Type:** ATX - **Cooling Method:** Air - **Form Factor:** ATX - **Item dimensions L x W x H:** 5.91 x 5.51 x 3.39 inches - **Model Name:** PS-ET550-B - **Output Wattage:** 550 - **Power Supply Design:** Non-Modular - **Wattage:** 550 watts ## Images ![Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B - Image 1](https://m.media-amazon.com/images/I/71PbtjvTu8L.jpg) ![Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B - Image 2](https://m.media-amazon.com/images/I/71DlEgFprzL.jpg) ![Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B - Image 3](https://m.media-amazon.com/images/I/71188W4EBVL.jpg) ![Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B - Image 4](https://m.media-amazon.com/images/I/81u0cHmDS-L.jpg) ![Silverstone Technology 550 Watt 80 Plus Bronze ATX PSU with Flat Black Cables ET550-B Power Supply, SST-ET550-B - Image 5](https://m.media-amazon.com/images/I/81zXflEZQHL.jpg) ## Questions & Answers **Q: What are the protections?** A: This PSU has over current protection (OCP), over power protection (OPP), over voltage protection (OVP), short circuit protection (SCP), and over temperature protection (OTP). For additional detail specification on this PSU model, please visit ET550-B's product page on our website: https://www.silverstonetek.com/product.php?pid=733 **Q: Does it come with a warranty?** A: yes it does in the box. it just came to me and its really good the actual box came in perfect condition too. but YES it does come with a warranty **Q: How many years is the warranty?** A: This product has a three year warranty in the US. For additional warranty information, please check out the warranty page on our website: https://www.silverstonetek.com/warranty.php **Q: Is this a group regulated unit?** A: Yes --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ec/products/61662718-silverstone-technology-550-watt-80-plus-bronze-atx-psu-flat](https://www.desertcart.ec/products/61662718-silverstone-technology-550-watt-80-plus-bronze-atx-psu-flat) --- *Product available on Desertcart Ecuador* *Store origin: EC* *Last updated: 2026-07-13*