550W Power Supply & 550 Waltt PSU 80 Plus Bronze Certified, 550 Watt PSU & ATX PSU Power Supply for Computers, PC, Desktops with Active PFC, Helios M1-550B
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
The HELIOS M1-550B features an 80 PLUS Bronze certification that guarantees 85% efficiency, and flat black cables for easy installation and cable management. It is also equipped with a 120mm hydraulic bearing smart fan that can adjust the fan speed according to temperature automatically and ensure low-noise operation
SpecPicks Verdict
SpecPicks classifies GAMDIAS 550W Power Supply & 550 Waltt PSU 80 Plus Bronze Certified… as a solid pick with broad community endorsement in the power supplies & cables category, based on 65 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. GAMDIAS's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.3★ customer rating
- ✓ Backed by GAMDIAS's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 80+ Bronze Efficiency: GAMDIAS 80 plus bronze power supplies give the best and economic solution for the power transfer for your gaming computer systems
- High Temperature Resilience: GAMDIAS new 80+ Bronze PSU offers an increase in operating temperature to its predecessor to a maximum of 50 degrees Celsius
- Automatic Fan Speed Optimization: GAMDIAS ECO fan speed control system adjusts the fan speed with the excellent balance between the power loading and noise
- Ultra Silent Mode: HELIO power supply is geared with an ultra quiet fan and just a simple switch for the silent mode. Enjoy the max heat dissipation or turn on the silent mode with the optimized automatic fan speed
- High Quality & Long Lasting Capacitors: High quality capacitors of GAMDIAS computer power supply provide superb performance and reliability
Full Specifications
| Brand | GAMDIAS |
|---|---|
| Wattage | 550 watts |
| Model Name | HELIOS M1-550B |
| Form Factor | ATX |
| Model Number | HELIOS M1-550B |
| Compatibility | PC, Switch |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 550 Watts |
| Item Dimensions | 6 x 5.5 x 3.5 inches |
| Mfr Part Number | HELIOS M1-550B |
| Compatible Devices | Personal Computer |
| Power Supply Design | Non-Modular |
Ready to buy?
GAMDIAS 550W Power Supply & 550 Waltt PSU 80 Plus Bronze Certified, 550 Watt PSU & ATX PSU Power Supply for Computers, PC, Desktops with Active PFC, Helios M1-550B is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.