When choosing a UPS for your NAS and modem, reliability, runtime, and ease of maintenance are key. The APC 850VA/450W UPS stands out as the best overall for longer backup during outages, thanks to its 35-minute runtime at 100W and user-replaceable battery. The APC 650VA/390W BE650G1 offers a solid balance of affordability and features, perfect for most home setups, but it has limited backup time at higher loads. The APC 600VA/330W BE600M1 is ideal for small electronics and those seeking an easy-to-maintain model, though its runtime is shorter. Each has tradeoffs around runtime, expandability, and device capacity, so your choice hinges on your specific backup needs and budget.
Get hardware and tech essentials delivered free — and shop member deals
- Fast, free delivery on millions of items
- Access to Prime Big Deal Days deals on October 6–7
- Prime Video, Amazon Music and more included
Key Takeaways
- The APC 850VA/450W offers the longest backup time and user-replaceable battery, suited for longer outages.
- The APC 650VA/390W strikes a balance between affordability and reliable surge protection, ideal for most home setups.
- The APC 600VA/330W is best for small electronics with quick battery swaps, but shorter runtime limits its use for larger loads.
- All models feature user-replaceable batteries, but runtime decreases sharply at higher power loads.
- Choosing the right UPS depends on your device power consumption and backup duration needs.
| APC 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS |  | Best Overall for Long Backup and Flexibility | Capacity: 850VA/450W | Runtime at 100W: 35 minutes | Outlets: 6 battery-backup, 3 surge-only | VIEW ON AMAZON | See Our Full Breakdown |
| APC UPS 650VA/390W Battery Backup & Surge Protector for PC, NAS | BE650G1 |  | Best Value for Reliable Power and Protection | Voltage: 120V | Maximum Power: 390W | Runtime at 100W: 29 minutes | VIEW ON AMAZON | See Our Full Breakdown |
| APC UPS 600VA/330W Battery Backup for Computer, Router, NAS, BE600M1 |  | Best for Small Electronics and Easy Maintenance | Capacity: 600VA/330W | Runtime at 100W: 23 minutes | Number of outlets: 5 with backup, 2 surge-only | VIEW ON AMAZON | See Our Full Breakdown |
| ups for nas and modem | Runtime at 100W | Warranty | Capacity | Outlets |
|---|---|---|---|---|
| APC 850VA/450W UPS Battery Bac | 35 minutes | 3 years | 850VA/450W | 6 battery-backup, 3 surge-only |
| APC UPS 650VA/390W Battery Bac | 29 minutes | 3 years | — | 4 battery-backup, 5 surge-only |
| APC UPS 600VA/330W Battery Bac | 23 minutes | 3 years | 600VA/330W | — |
More Details on Our Top Picks
APC 850VA/450W UPS Battery Backup & Surge Protector for PC, Router, NAS
This APC model stands out for its generous runtime of up to 35 minutes at 100W, making it ideal for users who want substantial backup during outages. Its 9 outlets include both battery-backup and surge-only options, providing flexibility for various devices. The user-replaceable battery means ongoing maintenance costs are lower, although you need to buy the replacement battery separately. Compared to smaller models, this unit is better suited to those with multiple devices or higher power demands, but its larger size might be less convenient for tight spaces. The quiet operation and clear LED indicators make it easy to monitor status, but the longer runtime comes at a higher initial cost and the need to purchase batteries separately.
Pros:- Provides 35 minutes of backup at 100W
- Multiple outlets including surge-only options
- User-replaceable battery for long-term use
- Quiet operation and clear status indicators
Cons:- Battery replacement requires buying a separate model
- Limited runtime at higher loads
- No included battery, additional purchase needed
Best for: Home office users needing extended backup for multiple devices, including NAS, router, and PC.
Not ideal for: Users seeking a compact setup or minimal investment, as its size and cost are higher.
- Capacity:850VA/450W
- Runtime at 100W:35 minutes
- Outlets:6 battery-backup, 3 surge-only
- USB Ports:2 USB-A (5V/2.4A)
- Battery Replacement:Yes, RBC17 (sold separately)
- Warranty:3 years
Our verdict“A versatile, reliable choice for users needing longer backup times and device expandability.”
APC UPS 650VA/390W Battery Backup & Surge Protector for PC, NAS | BE650G1
This APC 650VA unit offers a practical solution for those who want dependable surge protection combined with moderate backup time. With up to 29 minutes of runtime at 100W, it supports typical NAS and modem setups well, though it falls short for higher loads or longer outages. It features multiple outlets with both battery backup and surge protection, plus a user-replaceable battery that extends device lifespan. Compared to larger models, it’s more compact and budget-friendly, but its backup time is less if your devices draw more power. Its straightforward design makes it suitable for users who want basic, reliable protection without extra bells and whistles.
Pros:- Provides up to 29 minutes of backup power
- Multiple outlets with both battery backup and surge protection
- User-replaceable battery for cost savings
- Affordable price point
Cons:- Limited runtime at higher loads
- Only 4 outlets support battery backup, others surge-only
- Battery replacement requires purchase of separate models
Best for: Home users needing dependable backup for NAS, modem, and minor electronics on a budget.
Not ideal for: Those with high power devices or longer outage requirements, as runtime is limited.
- Voltage:120V
- Maximum Power:390W
- Runtime at 100W:29 minutes
- Outlets:4 battery-backup, 5 surge-only
- Battery Replacement:Yes, replaceable
- Warranty:3 years
Our verdict“A reliable, cost-effective option for typical home network setups and small office needs.”
APC UPS 600VA/330W Battery Backup for Computer, Router, NAS, BE600M1
This model is well-suited for users who prioritize simplicity and quick battery swaps. It offers around 23 minutes of runtime at 100W, enough for short outages or quick shutdowns. The five outlets with both battery backup and surge protection make it versatile for small electronics, while the USB port adds convenient phone charging. Its internal battery is easy to replace, reducing long-term costs and downtime. However, compared to larger units, it provides less backup time and capacity, making it less suitable for setups with multiple or power-hungry devices. Its straightforward design makes it a good fit for those who want a lightweight, easy-to-maintain UPS.
Pros:- Provides about 23 minutes of backup at 100W
- Easy internal battery replacement
- Includes surge protection and USB charging
- Lightweight and space-efficient
Cons:- Limited runtime for larger loads
- Battery replacement requires buying separate batteries
- Designed primarily for small electronics
Best for: Users with small electronics or limited backup needs who want simple maintenance.
Not ideal for: Power users needing longer runtime or supporting multiple high-demand devices.
- Capacity:600VA/330W
- Runtime at 100W:23 minutes
- Number of outlets:5 with backup, 2 surge-only
- USB port:1.5A
- Warranty:3 years
Our verdict“A practical, easy-to-maintain UPS for small electronics and quick shutdowns, but not suited for high loads or long outages.”
How We Picked
Our selection process focused on models that are widely available, reliable, and suitable for protecting NAS and modems in home or small office environments. We prioritized UPS units with sufficient capacity to handle typical network equipment, easy battery replacement, and clear indicators for monitoring status. We compared runtime at common power loads, number of outlets, expandability options, and warranty coverage to ensure each model offers a meaningful benefit for different user needs. Cost-effectiveness and reputation for durability also played a role in our choices.
| ups for nas and modem | Battery Replacement |
|---|---|
| APC 850VA/450W UPS Battery Bac | Yes, RBC17 (sold separately) |
| APC UPS 650VA/390W Battery Bac | Yes, replaceable |
| APC UPS 600VA/330W Battery Bac | — |
Factors to Consider When Choosing Ups For Nas And Modem
Choosing the right UPS for your NAS and modem depends on your power needs, backup duration, and maintenance preferences. A larger capacity UPS offers longer runtime but can be more expensive and bulky. Smaller units are easier to manage but may not provide enough backup time during extended outages. Battery replacement ease and monitoring features are also important factors. Understanding your device power consumption and typical outage duration helps match a model that offers reliable protection without unnecessary extras.Capacity and Runtime
Determine your devices’ total power consumption and select a UPS with sufficient capacity. For NAS and modems, a 600VA to 850VA model typically provides enough backup, with longer runtime at lower loads. Keep in mind that runtime decreases sharply as load increases—so if your setup uses multiple devices or high-powered gear, prioritize models with higher capacity for longer backup periods.
Battery Maintenance and Replaceability
All three models feature user-replaceable batteries, which can significantly extend the lifespan of your UPS. Consider how easy it is to access and replace batteries, especially if you anticipate needing replacements over years. Models with clear instructions and readily available replacement batteries will save you time and money in the long run.
Number of Outlets and Protection Features
Check how many outlets support battery backup versus surge-only. For NAS and modems, prioritize models with enough outlets to connect all critical devices, ideally with a mix of backup and surge protection. Additional features like USB charging ports and status indicators can also improve usability.
Frequently Asked Questions
How long should a UPS backup last for a typical NAS and modem setup?
For most home NAS and modem setups, a backup time of 20 to 30 minutes is usually sufficient for safe shutdowns and data preservation. Larger models like the APC 850VA/450W can provide longer backup times, making them better suited for users who experience longer outages or want extra margin. Smaller units may only offer enough time for quick shutdowns, so your choice depends on how critical continuous power is for your setup.
Is battery replacement complicated or costly?
All three models feature user-replaceable batteries, which simplifies maintenance and reduces long-term costs. Replacing batteries is generally straightforward, involving removing a cover and swapping the old for a new one. The main expense is purchasing the replacement battery, which is typically affordable. Ensuring compatibility and availability of the replacement part is key to keeping your UPS operational over years.
How do I decide between a 600VA and 850VA UPS?
Choosing between capacities depends on your power needs and desired runtime. An 850VA model like the APC 850VA/450W provides longer backup and supports more devices simultaneously. The 600VA options are more compact and budget-friendly but offer shorter runtime, making them suitable for smaller setups. Consider your device wattage and whether longer backup time is essential for your situation.
Can these UPS units handle power surges?
Yes, all three units incorporate surge protection, which defends connected devices against voltage spikes. This feature is vital for safeguarding sensitive electronics like NAS drives and modems. Some models, like the APC BE650G1, combine surge protection with battery backup, offering comprehensive protection during power fluctuations and outages.
Are these UPS units suitable for outdoor or rugged environments?
Generally, these models are designed for indoor use in controlled environments. They lack features like weather resistance or rugged enclosures needed for outdoor deployment. If you’re looking for outdoor UPS solutions, you should seek products specifically rated for outdoor or harsh conditions, as standard models may not withstand exposure to moisture or extreme temperatures.
Conclusion
For users who prioritize longer backup times and device expandability, the APC 850VA/450W stands out as the best choice. Those seeking reliable, budget-friendly protection will find the APC 650VA/390W BE650G1 fits their needs well, especially if their setup isn’t demanding. For small electronics, quick maintenance, and simplicity, the APC 600VA/330W BE600M1 offers a lightweight, straightforward option. Consider your device load, backup duration requirements, and maintenance preferences to select the best UPS for your NAS and modem setup.
Fall Picks
fall essentials
As an affiliate, we earn on qualifying purchases.
