Our Top 8 Best UPS (Uninterruptible Power Supplies) In The UK (2025)

In this comprehensive guide from Comms Express, we’ll unveil the best UPS for servers, empowering you to choose the perfect shield against unexpected power fluctuations.

Uninterruptible power supplies (UPS) safeguard your equipment and data during power outages. This article explores eight UPS models to suit your needs.

Key Takeaways:

• UPSs shield your equipment from power surges and outages.
• They come in various sizes and price points.
• Consider factors like power capacity, runtime, and outlets when choosing a UPS.

Q: What is an uninterruptible power supply (UPS)?

A: A UPS is a device that provides backup power when the main power supply fails. It protects your equipment from data loss and damage during power outages.

Let’s start our Top 8 Best Uninterruptible Power Supplies

APC SMT3000RMI2U Smart-UPS

3000VA/230VLCD RM 2U UPS with SmartConnect

Introducing APC SmartConnect – the next generation of Smart-UPS. APC’s SMT3000RMI2U is part of the award winning Smart-UPS family which is the most popular UPS in the world for servers, storage and networks.

Features:

• First of its kind: The APC SmartConnect feature makes Connected Smart-UPS the first cloud enabled UPS for distributed IT
• Advice from the experts: Connected Smart-UPS routinely provides proactive UPS lifecycle recommendations, helping maximize the lifespan of your APC UPS.
• Accessibility: The APC SmartConnect web portal is accessible from any internet connected device. You’ll be able to check on your IT equipment on site or on the go.
• Enabled as a standard: APC SmartConnect will be automatically included on select Smart-UPS models; making it the perfect solution for price-conscious professionals in need of power security.
• Seamless integration: Easily integrate with leading remote monitoring and management solutions, so you can manage customer portfolios in a single platform.

Buy APC SMT3000RMI2UC Smart-UPS

APC SMT1500RMI2UC Smart-UPS

1500VA/230V LCD RM 2U with SmartConnect

APC’s SMT1500RMI2U is part of the award winning Smart-UPS family which is the most popular UPS in the world for servers, storage and networks. A 900w 1500va UPS designed for entry level servers and network equipment, it is compatible with today’s active power factor corrected (PFC) power supplies.

Features:

• First of its kind: The APC SmartConnect feature makes Connected Smart-UPS the first cloud enabled UPS for distributed IT
• Advice from the experts: Connected Smart-UPS routinely provides proactive UPS lifecycle recommendations, helping maximise the lifespan of your APC UPS.
• Accessibility: The APC SmartConnect web portal is accessible from any internet connected device. You’ll be able to check on your IT equipment on site or on the go.
• Enabled as a standard: APC SmartConnect will be automatically included on select Smart-UPS models; making it the perfect solution for price-conscious professionals in need of power security.
• Seamless integration: Easily integrate with leading remote monitoring and management solutions, so you can manage customer portfolios in a single platform.

Buy APC SMT1500RMI2UC Smart-UPS

APC BE650G2-UK Back-UPS

650VA UPS

APC Back-UPS essential series provides battery backup and surge protection ideal for your home and home office. When power is interrupted or fluctuates outside expected levels, APC by Schneider Electric’s Back-UPS instantly provides clean battery power to your sensitive electronics. With 8 total outlets and increased power capabilities, APC Back-UPS allows you to protect more, longer.

Features:

• Power capacity: 400W/650VA, 520W/850VA
• More outlets: 8 total outlets: 6 battery backup with surge protection and 2 surge protection only
• Fast speed charging (Type C for BE850G2-UK): USB Type C & A for smartphones and tablets
• Dataline surge protection: Safeguards your equipment and valuable files from “back door” surges traveling along data lines
• LED indicators: Provide quick and easy to understand information on remaining runtime
• Mute button: Simple silencing of the battery backup alarms
• Powerchute: personal edition – Easy-to-use auto-shutdown software with power and energy management features
• User replaceable battery: Allows you to quickly replace the battery
• 3-year-warranty: Three-year limited warranty with a lifetime Equipment Protection Policy up to £50,000

Buy APC BE650G2-UK Back-UPS 650VA

APC BX750MI Back-UPS

400VA UPS

APC as ever innovating has completely redesigned the Back-UPS 400VA thus it now uses less power during normal operation and is the perfect answer for short and medium-length power outages.

Features:

• Battery-protected and surge-only outlets
• Resettable circuit breaker
• User-replaceable batteries
• Audible alarms
• Automatic self-test
• Battery failure notification
• Safety-agency approved

Buy APC BX750MI Back-UPS

APC BE850G2-UK Back-UPS

850VA UPS

This nifty piece of kit will look after you during a medium-length power outage. When power is interrupted or fluctuates outside expected levels, this Back-UPS instantly kicks in to provide clean battery power to your sensitive electronics. With 8 total outlets and increased power capabilities, APC Back-UPS allows you to protect more, longer.

Features:

• Power capacity: 400W/650VA, 520W/850VA
• More outlets – 8 total outlets: 6 battery backup with surge protection and 2 surge protection only
• Fast speed charging (Type C for BE850G2-UK): USB Type C & A for smartphones and tablets
• Dataline surge protection: Safeguards your equipment and valuable files from “back door” surges traveling along data lines
• LED indicators: Provide quick and easy to understand information on remaining runtime
• Mute button: Simple silencing of the battery backup alarms
• Powerchute personal edition: Easy-to-use auto-shutdown software with power and energy management features
• User-replaceable battery: This allows you to quickly replace the battery
• 3-year-warranty: Three-year limited warranty with a lifetime Equipment Protection Policy up to £50,000

Buy APC BE850G2-UK Back-UPS

Vertiv EDGE UPS

1500VA 1350W 230V UPS

The Vertiv™ EDGE line-interactive UPS family is intended for distributed IT and edge applications that require reliable, efficient power protection. EDGE UPSs support up to 6 extended battery cabinets (EBCs) in selected models, providing more runtime at full load than comparable competing UPSs.

Features:

• Easy to manage
• Auto-detect features make the EBCs easy to add and configure
• Colorful, graphical LCD screen for easy, intuitive on-site management
• Optional SNMP support is available
• Compatible with the free Vertiv™ Power Insight software for remote management, enabling users to get status, configuration, UPS parameter data and more from anywhere via a web browser

Buy Vertiv EDGE UPS

Surgex UPS-17202-53R 2000VA Standalone UPS Battery Backup

The UPS Standalone solutions are available in 2000, 3000, and 6000 VA configurations with hot swappable internal batteries to ensure maintenance can be performed without powering down connected equipment. All three UPS power supply solutions have extended scalable runtimes of up to 8 hours via self-charging extended battery packs.

Features:

• 2000VA Output Wattage
• Online double conversion technology
• True sinewave output
• Controllable receptacles
• Hot swappable battery
• Configurable as tower or 48.26cm rack
• Intuitive LCD screen
• Optional SNMP card to monitor and manage the UPS via the network

Buy Surgex UPS-17202-53R UPS