APC SRT5KRMXLT (Renewed)
5.0Editor score
Online double conversion
Compact 3U design
Lower cost option
In this guide
Protecting your critical IT infrastructure requires a reliable power solution that can handle surges and outages effectively. A 5000VA Rackmount UPS System offers the capacity and form factor needed for modern server racks and network closets.
We evaluated ten leading models based on topology, output waveform, runtime capabilities, and management features. Our analysis focuses on how each unit performs under load and supports long-term operational stability.
Each pick highlights key strengths and potential trade-offs to help you choose the right unit. Note that availability and pricing vary by vendor, so always verify current details before purchasing your equipment.
Top 3 Picks for Best 5000VA Rackmount UPS Systems
CyberPower PR5000RTXL2UC
4.5Editor score
Pure sine wave output
Remote management ready
3-year warranty included
Eaton 9PX G2 5000VA
4.8Editor score
Unity power factor
High efficiency rating
Advanced network card
Top 10 Best 5000VA Rackmount UPS Systems in 2026 Compared
This side-by-side comparison highlights the core specifications and distinct features of each model to help you make an informed decision for your facility.
ProductsSpecificationsEditor scorePrice
Editor's Choice
CyberPower PR5000RTXL2UC
5000VA/5000W Capacity
Pure Sine Wave
Remote Management Ready
3-Year Warranty
4.5Editor score
Editor's Choice
Eaton Tripp Lite SMART5000XFMRXL
5000VA Line Interactive
3U Chassis Design
USB Serial Monitoring
2-Year Warranty
2.0Editor score
Best Premium
APC SUA5000RMT5U
5000VA/4000W Load
Tower/Rack Mountable
DB-9 Port
Hot-Swappable Batteries
4.2Editor score
Eaton Tripp Lite SU5000RT
4500W Online UPS
Pure Sine Wave
Pre-installed Network Card
2-Year Warranty
4.5Editor score
Eaton 9PX G2 5000VA
5000VA/5000W Output
Unity Power Factor
Energy Star Certified
Load Segmentation
4.8Editor score
APC SRT5KRMXLT (Renewed)
5000VA/4250W Load
Online Double Conversion
3U Rack-Mount
Energy Star Certified
5.0Editor score
APC Smart-UPS SRT 5000VA
4250W Output Power
208V Input Voltage
L6-30P Input
1.5 Hr Recharge
5.0Editor score
CyberPower PR5000LCDRTXL5U
5000VA/4500W Capacity
Extended Battery Support
UL Safety Certified
3-Year Warranty
4.1Editor score
CyberPower OL5KRTHD
5000VA/5000W Load
Color LCD Panel
2U Space Saving
Fast Charge Tech
4.6Editor score
APC SRT5KRMXLT-5KTF
High Density Protection
Double-Conversion Online
Ethernet 10/100
Scalable Runtime
4.7Editor score
1. CyberPower PR5000RTXL2UC – Best Overall 5000VA Rackmount UPS System
CyberPower PR5000RTXL2UC
5000VA/5000W Output
Pure Sine Wave
Remote Card Ready
3-Year Warranty
The CyberPower PR5000RTXL2UC stands out as a top choice for enterprise environments needing robust protection. It delivers 5000VA with pure sine wave output, ensuring compatibility with sensitive IT gear. The unit includes cloud monitoring for remote visibility without extra hardware.
Pros
- Pure sine wave output
- Cloud monitoring built-in
- Rotatable LCD panel
- Extended runtime support
- Strong safety certification
Cons
- High entry price
- Remote card sold separately
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Its high-capacity outlets include L6-20R and L6-30R options for diverse power needs. The rotatable LCD provides real-time status and configuration. Active PFC support ensures stable operation even under demanding workloads.
While the unit is premium priced, the included 3-year warranty with battery coverage justifies the investment. Management cards are optional but required for advanced remote control. This trade-off balances cost with essential features.
Buy this if you need a reliable workhorse for server racks with modern connectivity. It offers the right mix of power quality and management tools for growing businesses.
Advanced Remote Visibility
Built-in cloud monitoring allows you to track status and alerts from anywhere without buying a separate management card.
Flexible Power Outputs
Multiple outlet types ensure you can connect various equipment types without needing expensive adapters or conversion gear.
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2. Eaton Tripp Lite SMART5000XFMRXL – Reliable 5000VA Rackmount UPS System
Eaton Tripp Lite SMART5000XFMRXL
5000VA Line Interactive
Pure Sine Wave
97% Efficiency
USB & Serial Ports
This model delivers 5000VA capacity with a focus on efficiency and cost savings. It features pure sine wave output which is crucial for modern active PFC power supplies. The 97% efficiency helps reduce cooling costs in tight server spaces.
Pros
- High efficiency rating
- Multiple output outlets
- Cost effective design
- Snap/web monitoring ready
- Nema L6-30P input
Cons
- Low user ratings
- Line interactive topology
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It includes 8 single-outlet switched load banks for granular power management. USB and serial ports allow for basic monitoring while optional cards add web capabilities. The chassis fits standard 3U racks easily.
Despite its specs, user feedback highlights reliability issues. This might indicate quality control variability or batch defects. Buyers should weigh the lower cost against potential service interruptions.
Consider this if you need budget-friendly 5000VA power and can accept some risk. It suits secondary sites where cost matters more than peak uptime.
Energy Efficiency Focus
With 97% efficiency, this unit wastes less energy as heat compared to standard designs, lowering cooling demands.
Outlet Flexibility
Eight single-outlet switched banks let you manage loads individually, which is rare at this power level.
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3. APC SUA5000RMT5U – Flexible 5000VA Rackmount UPS System
APC SUA5000RMT5U
5000VA/4000W Load
Tower or Rack Mount
DB-9 Interface
Maintenance Free Battery
The APC SUA5000RMT5U is a classic choice for organizations prioritizing versatility. It supports both tower and rack configurations without needing separate units. With 5000VA capacity, it handles mid-sized server loads comfortably.
Pros
- Dual tower and rack
- Hot-swappable batteries
- Familiar APC reliability
- Good backup runtime
- Simple management ports
Cons
- Older interface options
- Heavier unit weight
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It features spill-proof sealed lead acid batteries that are hot-swappable. This means you can replace batteries without shutting down the system. The DB-9 port supports basic serial monitoring which many IT teams still prefer.
While the unit is heavier than modern rivals, it offers proven durability. Runtime varies based on load but remains adequate for graceful shutdowns. APCs reputation for support adds to its appeal.
Buy this if you value dual form factor flexibility and battery hot-swapping. It fits well into existing APC ecosystems without complex new integrations.
Hot-Swappable Battery
Replace aging batteries without interrupting power, reducing maintenance downtime significantly.
Dual Mounting Options
Switch from rack to tower mode easily if your space requirements change over time.
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4. Eaton Tripp Lite SU5000RT – Pure Sine Wave 5000VA Rackmount UPS System
Eaton Tripp Lite SU5000RT
4500W Online UPS
Pure Sine Wave
Network Card Included
Hardwire Option
This unit uses online double conversion to isolate connected gear from utility power fluctuations. Pure sine wave output ensures compatibility with all types of power supplies. A network interface card comes pre-installed for immediate remote management.
Pros
- Online double conversion
- Clean power output
- Network card pre-installed
- Output outlet control
- Extended battery support
Cons
- Complex topology
- Higher power draw
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It offers power management at the outlet group level which helps organize critical loads. The package includes rails for rack mounting and stands for tower use. Hardwire input options allow for more permanent installations.
While double conversion provides superior protection, it uses more energy than line-interactive models. The included network card simplifies setup. However, ensure your environment can support the higher load.
Choose this for maximum reliability and clean power quality. It suits environments where power stability is critical and budget allows for higher efficiency models.
Isolated Power Protection
Double conversion separates output from input, filtering out noise and surges for sensitive equipment.
Out-of-Box Networking
Pre-installed network card means you can monitor power remotely immediately upon setup.
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5. Eaton 9PX G2 5000VA – Best Premium 5000VA Rackmount UPS System
Eaton 9PX G2 5000VA
5000VA/5000W Output
Unity Power Factor
Energy Star Certified
Cybersecure Network
The Eaton 9PX G2 represents the peak of efficiency in this category. It delivers 5000VA with a unity power factor, meaning full wattage capacity is available. This maximizes usable output power for dense server loads.
Pros
- Full 5000W output
- Unity power factor
- Energy Star certified
- High efficiency design
- Advanced network security
Cons
- Premium pricing
- Advanced features needed
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It complies with strict Energy Star standards to reduce emissions and cooling costs. Load segments with energy metering help optimize usage. The cybersecure network card adds an extra layer of defense for management channels.
This model is expensive but offers the lowest energy footprint per watt. It requires advanced IT management to justify its features. It fits well in green-focused data centers.
Buy this if you need maximum efficiency and full power density. It is a strategic investment for long-term savings and environmental compliance.
Unity Power Factor
Achieves 1:1 VA to watt ratio ensuring you get full rated capacity from the unit.
Load Metering
Track energy use per load segment to identify power hogs and optimize distribution.
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6. APC SRT5KRMXLT (Renewed) – Best Budget 5000VA Rackmount UPS System
APC SRT5KRMXLT (Renewed)
5000VA/4250W Load
Online Double Conversion
3U Rack Mount
Energy Star Certified
This renewed APC model offers a cost-effective path to enterprise-grade power protection. It features online double conversion which ensures clean power during both normal and backup modes. Users report high satisfaction with reliability.
Pros
- Cost-effective renewed model
- Double conversion topology
- High user ratings
- Compact 3U footprint
- Strong environmental certification
Cons
- Renewed status uncertainty
- Limited warranty
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The compact 3U design saves valuable rack space while maintaining full 5000VA capacity. Energy Star certification indicates efficient operation. L6-30P input matches standard commercial power configurations.
Buying renewed lowers costs but may limit warranty support. Ensure the vendor offers a solid guarantee before purchasing. This option suits tight budgets needing high-end specs.
Choose this if you need proven specs at a lower price. It is a smart move for testing the waters with APC SRT performance.
Renewed Value
Refurbished units offer significant savings while maintaining factory-level performance standards.
Compact Design
Fits easily into standard 19-inch racks without requiring extra depth or clearance.
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7. APC Smart-UPS SRT 5000VA – Robust 5000VA Rackmount UPS System
APC Smart-UPS SRT 5000VA
4250W Output Power
208V Input
L6-30P Input
1.5 Hr Recharge
This APC unit delivers 4250W of power with a heavy-duty build. The 208V input matches commercial data center infrastructure. L6-30P plug ensures a secure connection point for high-load environments.
Pros
- High power output
- Robust build quality
- Quick battery recharge
- Standard 208V input
- L6-30P connection
Cons
- Heavy unit weight
- No web card included
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Battery recharge time is short at just 1.5 hours allowing faster recovery after outages. The unit is rack-mountable but also supports tower setup with adapters. It supports advanced monitoring via optional interfaces.
While robust, the weight demands careful installation planning. It does not include a network card which may add cost. Still, it remains a top choice for stability.
Buy this if you need high wattage output and strong build quality. It works well in environments prioritizing power density over features.
Fast Recovery
1.5-hour recharge time means faster readiness for subsequent power events.
Secure Connection
L6-30P plug prevents accidental disconnection common with standard corded units.
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8. CyberPower PR5000LCDRTXL5U – Feature Rich 5000VA Rackmount UPS System
CyberPower PR5000LCDRTXL5U
5000VA/4500W
Pure Sine Wave
Extended Battery Packs
3-Year Warranty
This model combines 5000VA capacity with pure sine wave output for maximum compatibility. It supports up to ten extended battery modules for long runtime needs. A 3-year warranty covers batteries and connected equipment.
Pros
- Strong warranty coverage
- Extended battery options
- AVR included
- Multiple outlet types
- UL safety certified
Cons
- Management card optional
- Limited web features
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AVR technology corrects minor fluctuations without using battery power. The unit includes multiple NEMA outlets to suit different plug types. It is UL listed for safety compliance across various regions.
Remote management requires buying a separate card which adds to the final cost. However, the physical design is robust and easy to maintain. It fits well in standard server rooms.
Choose this if runtime flexibility and warranty are your top priorities. It balances standard features with strong after-sales support.
Extended Runtime
Add up to ten battery packs for critical applications needing long autonomy periods.
Battery Protection
AVR corrects voltage dips without depleting battery life during brownouts.
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9. CyberPower OL5KRTHD – Compact 5000VA Rackmount UPS System
CyberPower OL5KRTHD
5000VA/5000W Load
2U Space Saving
Pre-Installed Network Card
Color LCD Panel
This high-density unit fits in just 2U of rack space saving room for other gear. A pre-installed network card allows immediate remote monitoring. The color LCD provides rich visual data for troubleshooting.
Pros
- Space-saving 2U design
- Full color LCD screen
- Network card included
- Fast charge technology
- Battery equalization
Cons
- Smaller outlet count
- High density heat
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Fast charge technology allows batteries to return to full capacity quickly. Battery equalization extends the overall life of the battery bank. It is a modern choice for crowded server rooms.
The smaller footprint means fewer outlets compared to taller units. Careful load planning is required to fit all your gear. Heat output is higher due to density.
Buy this if rack space is at a premium. It offers modern features and monitoring without the bulk of larger models.
Space Efficiency
2U footprint frees up two units in your rack for other critical hardware.
Color Display
Full color LCD provides intuitive visual status and event logging details.
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10. APC SRT5KRMXLT-5KTF – High Density 5000VA Rackmount UPS System
APC SRT5KRMXLT-5KTF
Double-Conversion Online
Scalable Runtime
Ethernet 10/100
High Density
This model focuses on high density double-conversion online protection for servers. Scalable runtime options allow you to match battery life to specific needs. It supports both Ethernet and USB for flexible monitoring.
Pros
- High density protection
- Scalable battery runtime
- Dual port management
- Online topology
- Strong build quality
Cons
- Requires rack mount
- Higher complexity
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The unit maintains clean power during outages and surges. It is designed for critical environments where uptime is non-negotiable. Build quality follows APCs reputation for durability.
While it requires proper rack mounting it delivers consistent performance. The dual ports simplify integration with existing networks. It is a solid choice for core infrastructure.
Choose this for maximum uptime and scalability. It fits best in centralized data centers needing reliable online power.
Scalable Runtime
Expand battery packs to suit different load profiles and outage requirements.
Dual Port Access
Use Ethernet for remote access and USB for local diagnostics simultaneously.
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Buying Guide – How to Choose the Best 5000VA Rackmount UPS System
Selecting the right 5000VA Rackmount UPS System involves understanding several technical factors that affect performance and longevity.
Topology and Output Waveform
Topology defines how the UPS interacts with incoming power. Online double-conversion offers the highest protection by continuously generating power internally. Line-interactive is cost-effective but allows more input noise. Always choose pure sine wave for active PFC power supplies to avoid damage.
Focus on pure sine wave outputs and double conversion if your gear is sensitive.
VA Rating and Wattage
While 5000VA is the standard capacity name the actual wattage varies by model. Unity power factor models deliver 5000W while others may offer 4000W. Ensure the wattage matches your total equipment load plus a safety margin.
Verify the wattage number not just VA to avoid overloading the unit.
Runtime and Battery Type
Runtime depends on load level and battery capacity. Larger units may offer longer backups but require more space. Look for hot-swappable batteries to minimize downtime during maintenance. Some models support external battery packs for extended autonomy.
Prioritize hot-swappable features for uninterrupted maintenance and flexible runtime options.
Form Factor and Rack Compatibility
Rackmount UPS systems should fit standard 19-inch server racks. Check the rack unit (U) height to ensure it matches your available space. Some models support tower conversion if you need floor placement flexibility.
Measure your rack space and ensure the unit fits without blocking airflow or other devices.
Monitoring and Management Features
Modern UPS units come with management interfaces to track status and send alerts. Look for USB serial and network ports. Some models include cards pre-installed while others sell them separately. Cloud monitoring is a growing trend for remote visibility.
Choose units with network cards or cloud support for easier remote management.
Environmental Certifications
Certifications like Energy Star indicate high efficiency. UL listing ensures safety standards are met. Efficient units reduce cooling costs and emissions. This is vital for facilities aiming for green operations.
Look for Energy Star and UL labels to ensure efficiency and safety compliance.
Warranty and Support
A strong warranty covers both the unit and internal batteries. Some providers include connected equipment guarantees to protect against hardware failures. Verify if the warranty covers battery replacement explicitly.
Ensure batteries are included in the warranty terms before purchasing.
Budget and Total Cost of Ownership
Initial price is just one part of cost. Consider energy efficiency which affects monthly bills. Premium units cost more upfront but save on electricity. Reused models offer savings but may lack full warranty coverage.
Calculate long term energy costs when comparing different price points.
How to Use and Care for Your 5000VA Rackmount UPS System
Install the UPS in a well-ventilated rack space to prevent overheating. Ensure all cables are secured to avoid tripping hazards. Connect critical loads first and avoid overloading the outlets.
Schedule regular battery tests to confirm performance levels. Most units have self-test modes you can trigger manually. Replace batteries every few years or when capacity drops significantly.
Keep firmware and management software updated for security patches. Monitor logs to detect power events early. Train your team on shutdown procedures during extended outages.
Frequently Asked Questions
What is the difference between 5000VA and 5000W in a UPS?
VA stands for volt-amperes and represents apparent power while W is real power. The ratio depends on the power factor. Unity power factor models deliver 5000VA equal to 5000W while others may provide less.
Do I need a pure sine wave UPS for servers?
Yes if your servers use active PFC power supplies which are common in modern gear. Pure sine wave ensures clean power and prevents potential damage. Modified sine wave may cause overheating or instability.
How long does a 5000VA UPS typically last?
On average a 5000VA UPS can last five to ten years with proper care. Battery life is usually shorter and requires replacement every three to five years depending on usage patterns.
Can I add external batteries to extend runtime?
Many models support external battery packs to extend runtime. Check the specific model documentation to confirm compatibility. Ensure you do not exceed the maximum load limits when adding packs.
What is the difference between online and line-interactive UPS?
Online UPS continuously converts power to offer full protection from surges. Line-interactive switches to battery only during major outages. Online is safer for critical equipment but costs more.
How do I monitor my UPS remotely?
You can use network cards to connect the UPS to your local network. Many models support SNMP for integration with monitoring tools. Cloud services may also be available for remote alerting.
Are 5000VA Rackmount UPS Systems noisy?
Most rackmount UPS systems run quietly but fans can generate some noise. If placed in a workspace consider models with low-noise features. Data centers usually mask the sound with ambient cooling.
What safety certifications should I look for?
UL listing ensures the unit meets electrical safety standards. Energy Star certification indicates energy efficiency. Look for compliance with local regional regulations before buying.
Final Thoughts on Choosing the Best 5000VA Rackmount UPS System
The 5000VA Rackmount UPS Systems reviewed here offer diverse options for every enterprise need. From budget-friendly renewed models to premium high-efficiency units there is a solution for every facility.
Prioritize online double conversion and pure sine wave output if uptime and data integrity are critical. Always check warranty terms to ensure battery coverage is included in your purchase.
Prices and availability can shift quickly so verify current stock before finalizing your order. Contact support teams to confirm compatibility with your existing power infrastructure.