Rosewill Tachyon 550W
Category: Power Supply
Manufacturer: Rosewill
Wattage: 550W
Efficiency: 80+ Platinum
Modular: semi
Price: $45.99 from Newegg

Rosewill Tachyon 550W
Wattage
550W
Efficiency
80+ Platinum
Modular
semi
Best price from Newegg
$45.99
As an Amazon Associate, PlanMyPC earns from qualifying purchases made through links on this page. Read our affiliate disclosure
Overview
A 550W unit with 80+ Platinum efficiency certification and semi cabling. 550W covers mainstream builds with a modest GPU. It uses the ATX form factor — confirm your case lists ATX support. A dependable power supply protects everything downstream, and efficiency tiers are a decent proxy for overall build quality.
Expect to pay around $45.99, which lands it among budget options. PlanMyPC's builder flags compatibility problems automatically and adds the part's price to your build total. Rosewill backs the product through its standard warranty channels; check the listing for region-specific terms. Scroll down for the complete spec table; the builder's compatibility checker will warn you about any conflicts with components you have already picked.
| Specification | Value |
|---|---|
| Modular | semi |
| Wattage | 550 W |
| Efficiency | 80+ Platinum |
| Form Factor | ATX |
Related products
Compare Rosewill Tachyon 550W with similar
Catch the week's biggest price drops
One weekly email with the top price drops and new build guides — no spam, unsubscribe anytime.




