Best Uninterrupted Power Supply for Computer: Protect Your System and Data
Selecting an uninterrupted power supply (UPS) helps keep critical computer equipment safe during outages and voltage fluctuations. The following options cover a range of runtimes, outlets, and management features suitable for home offices, gaming rigs, and small workstations. Use this guide to compare APC models with reliable performance and other popular brands.
| Product | Brand | Key Benefit |
|---|---|---|
| APC BE600M1 Back-UPS | APC | Compact reliability for essential devices |
| APC BX1500M | APC | Higher wattage with more outlets |
| APC BE425M | APC | Small footprint with sufficient outlets |
| APC BE850G2 | APC | Balanced backup power and USB charging |
| Amazon Basics UPS 800VA | Amazon Basics | Affordable, higher outlet count |
APC BE600M1 Back-UPS 600VA

The APC BE600M1 Back-UPS delivers 600VA / 330W of battery backup power with seven outlets. It includes five battery-backed outlets and two surge-only outlets, plus a USB charging port for mobile devices. This model is well-suited for a single PC, monitor, and essential peripherals, providing enough runtime to safely shut down during brief outages.
APC BX1500M Backup Power Supply

The BX1500M offers 1500VA / 900W, designed for larger computer setups with multiple monitors and network devices. It features ten outlets, with a mix of battery backup and surge protection, plus a dedicated data line protection port. It supports PowerChute UPS management on Windows and macOS, enabling controlled shutdowns and energy monitoring for more complex workstations.
APC BE425M 425VA UPS

The BE425M provides 425VA / 225W with six outlets, including four battery-backed and two surge-protected-only outlets. It ships with a 5-foot cord and a right-angle plug. While the battery is not user-replaceable, technicians can perform service replacement. It is suitable for basic setups needing reliable protection against short outages and surges.
APC BE850G2 Back-UPS with USB Ports

The BE850G2 offers 850VA / 450W with nine outlets, including six battery-backed and three surge-protected outlets. It includes two USB charging ports for mobile devices. This model balances mid-range backup power with enough outlets to support a gaming PC, a router, and peripherals, while providing convenient USB charging.
Amazon Basics 800VA UPS with 12 Outlets

The Amazon Basics 800VA UPS provides 800VA / 450W of backup power with a total of 12 outlets. It is designed for home networks and entertainment devices, offering substantial outlet capacity for a small office or home theater setup. It provides reliable surge protection and a practical balance between runtime and expandability for everyday use.
Buying Guide: Key Considerations For Choosing A UPS
- Power capacity and runtime: Match VA/W ratings to your equipment’s load. Larger workstations with multiple monitors and a gaming PC need higher wattage backups to provide meaningful runtime.
- Outlet configuration: Ensure enough battery-backed outlets for your PC, monitor, router, and any external devices. Consider surge-only outlets for less critical equipment to maximize protected devices.
- Battery type and replacement: Some models offer user-replaceable batteries or service replacements. If you expect long-term use, plan for eventual battery maintenance or replacement.
- Management features: Look for software that enables automatic shutdown, energy monitoring, and alerts. Windows and macOS compatibility can simplify routine maintenance.
- Physical footprint and placement: Compact units fit under desks or on shelves, while larger units may need dedicated space. Wall-mountable options are useful in tight spaces.
- Protection scope: Consider AVR (automatic voltage regulation) to stabilize input voltage, protecting sensitive electronics during brownouts as well as outages.
- Expandability: If you anticipate upgrading your computer setup, choose a UPS with extra outlets or modular design to accommodate future devices.
- Warranty and support: A solid warranty and responsive customer support can reduce downtime and maintenance concerns over time.