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Best UPS for Networking Equipment for Uninterrupted Internet
A router without power is a brick, and a modem that drops mid-transfer can cost hours of work. The five picks below cover the realistic buyer profiles: a budget household keeping the router alive for short outages, a home office running a modem, switch and NAS together, and a power user who wants pure sine wave output for sensitive gear. The overview table below ranks them by key spec and intended use, and each review explains who a unit is not right for. Most readers can decide from the table alone.
Overview of the Picks
| Product | Key Spec | Best Use | Price Tier |
|---|---|---|---|
| CyberPower CP1500PFCLCD | 1500VA/1000W, 12 outlets, PFC sine wave | Whole network closet plus PC | Premium |
| CyberPower CP1500AVRLCD3 | 1500VA/900W, 12 outlets, 2 USB | Router, modem, switch, monitor | Mid-range |
| APC BR1500MS2 | 1500VA/900W sine wave, 10 outlets, USB-C | Sensitive electronics, gaming setups | Premium |
| APC BX1000M | 1000VA/600W, 8 outlets, LCD, AVR | Compact home office | Mid-range |
| APC BE600M1 | 600VA/330W, USB charging | Single router or modem | Budget |
The two 1500VA CyberPower units sit at the top of the capacity range and suit buyers consolidating a router, modem, switch and desktop onto one battery. The APC BR1500MS2 matches them on capacity but adds pure sine wave output and USB-C charging for a higher price. The BX1000M trims capacity and outlet count for a smaller footprint, and the BE600M1 is the entry point for keeping only the essentials alive.
CyberPower CP1500PFCLCD PFC Sinewave UPS

Capacity: 1500VA/1000W
Outlets: 12
Output: PFC sine wave
Form Factor: Mini tower
Voltage Regulation: AVR
Certification: UL certified
CyberPower CP1500PFCLCD PFC Sinewave UPS Battery Backup and Surge Protector
This is the highest wattage unit in the group, and the PFC sine wave output is the reason it costs more than the AVRLCD3. Active PFC power supplies, common in modern networking gear and desktop PCs, prefer a smooth sine wave, and this unit delivers one. The mini tower chassis holds twelve outlets, enough for a router, modem, a couple of switches and a monitor without reaching for a strip. AVR stabilizes voltage during brownouts, so the network stays up through dips that would otherwise reboot equipment.
It suits buyers building a small network closet or anyone who wants one battery to cover both networking gear and a desktop. The trade-off is price and size: this is the most expensive pick here, and the tower footprint needs floor or shelf space that a compact unit would not.
CyberPower CP1500AVRLCD3 Intelligent LCD UPS

Capacity: 1500VA/900W
Outlets: 12
USB Ports: 2
Voltage Regulation: AVR
Form Factor: Mini tower
Certification: UL certified
CyberPower CP1500AVRLCD3 Intelligent LCD UPS Battery Backup
The AVRLCD3 is the value play among the full-size units: same 1500VA rating as the PFC model, slightly lower wattage, and a lower price. The intelligent LCD reports load and battery status at a glance, which matters when a router rack sits in a closet and the owner wants to check status without software. Two USB ports charge phones or small accessories during an outage, and AVR keeps voltage steady. Twelve outlets leave room for the whole stack.
It fits households and small offices that want maximum runtime and outlet count without paying for sine wave output. The trade-off is that this unit is not a PFC sine wave model, so very sensitive active-PFC equipment is better served by the model above.
APC BR1500MS2 Pure Sine Wave UPS

Capacity: 1500VA/900W
Outlets: 10
Output: Pure sine wave
Charging: USB-C
Certification: UL and Energy Star certified
Intended Use: PC, gaming, electronics
APC BR1500MS2 Pure Sine Wave UPS Battery Backup & Surge Protector
APC’s Back-UPS Pro line targets buyers who want clean power and a familiar brand. Pure sine wave output protects sensitive networking gear and gaming hardware, and USB-C charging is a practical addition for modern devices. Ten outlets is two fewer than the CyberPower towers, but the layout is designed for a desk or shelf rather than a rack. Energy Star certification points to lower standby draw, which matters for a unit that runs 24/7.
It suits gamers and home-office users who want sine wave output and USB-C in one box. The trade-off is the highest price in this roundup combined with fewer outlets, so buyers with a large outlet count may find the CyberPower towers a better fit.
APC BX1000M Pro UPS for Home Offices

Capacity: 1000VA/600W
Outlets: 8
Display: LCD
Voltage Regulation: AVR
Runtime: 42 minutes at 100W
Intended Use: Home office electronics
APC BX1000M Pro UPS Battery Backup for Office Electronics
The BX1000M is the compact option for a desk-side setup. Eight outlets cover a router, modem, switch, monitor and a couple of chargers, and the stated 42-minute runtime at 100W is generous for networking gear that draws far less. The LCD shows status without software, and AVR handles brownouts. It is smaller and lighter than the 1500VA towers, which makes it easier to tuck under a desk.
It fits home offices that need to keep a modem and router running through short outages without dedicating a shelf to a tower. The trade-off is lower capacity: 600W leaves less headroom for a desktop PC or a large NAS, so buyers powering more than networking gear should size up.
APC BE600M1 UPS for Router and NAS

Capacity: 600VA/330W
Charging: USB
Surge Protection: 490 joules
Runtime: 23 minutes at 100W
Intended Use: Computer, router, NAS
APC BE600M1 UPS Battery Backup & Surge Protector
This is the budget pick and the one most households actually need. A router and modem together draw well under 100W, so the stated 23-minute runtime at that load translates into a long window for short outages. USB charging covers a phone, and 490 joules of surge protection guards against spikes. The compact body fits on a shelf next to the router without rearranging furniture.
It suits renters and households that only need the internet to survive brief outages. The trade-off is capacity: 330W will not carry a desktop PC or a multi-bay NAS, and the outlet count is limited, so it is a networking-only solution.
Before You Buy
- Capacity: Add the wattage of everything that must stay on — router, modem, switch, NAS — and leave headroom; networking gear is light, but a PC on the same unit is not.
- Outlet count: Count plugs before buying; a router, modem, switch and monitor already use four.
- Output type: Active-PFC power supplies prefer sine wave output, while standard gear runs fine on simulated sine wave.
- Form factor: Mini towers need shelf or floor space; compact units fit beside a router.
- Runtime: Longer runtime at a given load costs more; match it to the length of typical outages in the area.
- Extras: USB charging and LCD status displays are convenience features, not requirements.
Frequently Asked Questions
- How much UPS capacity does a router and modem need? A router and modem together typically draw well under 100W, so even the smallest unit here covers them with runtime to spare.
- Does a UPS keep the internet on during an outage? It keeps the router and modem powered, but the connection still depends on the provider’s equipment staying online.
- Is pure sine wave necessary for networking gear? Standard routers and switches run on simulated sine wave, but active-PFC equipment benefits from pure sine wave output.
- Can a UPS power a NAS? Yes, provided the unit’s wattage exceeds the NAS draw with headroom; the larger 1500VA models are the safer choice for multi-bay units.
- How long do outages need to be to justify a UPS? Even brief drops reboot routers and interrupt transfers, so a UPS earns its place wherever the connection matters.
- Should networking gear go on battery or surge-only outlets? Critical gear belongs on battery outlets; printers and other non-essential loads can use surge-only outlets to preserve runtime.
Bottom Line
The CyberPower CP1500PFCLCD is the top pick for most buyers with a network closet: it pairs the highest wattage in this group with PFC sine wave output and twelve outlets. Households that only need the router and modem alive can save money with the APC BE600M1, while gamers and sine-wave purists should look at the APC BR1500MS2.
