EatonSpec score 7.8
3000 VA, Line interactive
+3000 VA capacity for larger equipment loads
+Pure sine wave output for sensitive electronics
+Rack or tower mountable in a 2U form
−Line interactive topology rather than online double-conversion
$1,943.81
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.8
Pros+3000 VA capacity for larger equipment loads
+Pure sine wave output for sensitive electronics
+Rack or tower mountable in a 2U form
+Automatic voltage regulation
Cons−Line interactive topology rather than online double-conversion
Compared with the 509 UPS Battery Backups on this page+Pure sine wave: only 90 of 509 here have one
+3000 va: 149 of the 241 here have a lower va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
EatonSpec score 7.8
8000 VA, 8000 Watts, rack, Online
+8000 VA and 8000 W capacity for heavy loads
+Online double-conversion topology for continuous power conditioning
+Hardwired input for permanent installation
−Requires a 208V supply, not standard household outlets
$8,396.25
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+8000 VA and 8000 W capacity for heavy loads
+Online double-conversion topology for continuous power conditioning
+Hardwired input for permanent installation
+Rack form factor for server racks
Cons−Requires a 208V supply, not standard household outlets
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+8000 watts: only 12 of 197 here have more watts
+8000 va: only 34 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
EatonSpec score 7.8
8000 VA, 8000 Watts, rack, Online
+8000 VA and 8000 W capacity for heavy loads
+Rackable design fits standard server racks
+Online double-conversion topology for continuous power conditioning
−Takes 4U of rack space
$12,116.70
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+8000 VA and 8000 W capacity for heavy loads
+Rackable design fits standard server racks
+Online double-conversion topology for continuous power conditioning
+Lithium-based battery option is not listed; 3 hour recharge listed
Cons−Takes 4U of rack space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+8000 watts: only 12 of 197 here have more watts
+8000 va: only 34 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
LvsedtalSpec score 7.8
10000 VA, 9000 Watts, Online
+10 kVA and 9000 watt capacity for heavy loads
+Online topology for continuous conditioned power output
+Voltage stabilization for steady output power
−Delayed runtime of 1 hour rather than immediate extended backup
$7,675.88
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.8
Pros+10 kVA and 9000 watt capacity for heavy loads
+Online topology for continuous conditioned power output
+Voltage stabilization for steady output power
Cons−Delayed runtime of 1 hour rather than immediate extended backup
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+9000 watts: only 4 of 197 here have more watts
+10000 va: only 17 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.8
20000 VA, tower, Online
+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Tower form factor for floor placement
−Tower form factor needs dedicated floor space
$23,000.55
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Tower form factor for floor placement
+Includes Vertiv RDU120 card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+20000 va: the highest va of the 241 here
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.8
20000 VA, tower, Online
+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv card
−Tower form factor needs dedicated floor space
$21,963.41
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+20000 va: the highest va of the 241 here
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.8
20000 VA, tower, Online
+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$24,300.53
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+20000 va: the highest va of the 241 here
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.8
20000 VA, tower, Online
+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$24,500.55
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+20kVA capacity for medium-sized three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+20000 va: the highest va of the 241 here
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.8
20000 VA, tower, Online
+Online double conversion topology for continuous power protection
+20 kVA capacity suits larger three-phase equipment loads
+Tower form factor stands alone without a rack
−Three-phase 208/120VAC wiring needs a qualified installer
$23,548.62
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.8
Pros+Online double conversion topology for continuous power protection
+20 kVA capacity suits larger three-phase equipment loads
+Tower form factor stands alone without a rack
Cons−Three-phase 208/120VAC wiring needs a qualified installer
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+20000 va: the highest va of the 241 here
How pros and cons are picked (About: Disclaimer) About this product
APCSpec score 7.7
3000 VA, 2700 Watts, rack, Line interactive
+3000VA capacity for high-load rack equipment
+Pure sine wave output for sensitive electronics
+Rack-mountable form factor for server racks
−Line interactive design, not double-conversion
$1,830.00
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.7
Pros+3000VA capacity for high-load rack equipment
+Pure sine wave output for sensitive electronics
+Rack-mountable form factor for server racks
Cons−Line interactive design, not double-conversion
Compared with the 509 UPS Battery Backups on this page+Pure sine wave: only 90 of 509 here have one
+2700 watts: 148 of the 197 here have fewer watts
+3000 va: 149 of the 241 here have a lower va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
EatonSpec score 7.7
1000 VA, 920 Watts, Line interactive, 10 Outlets
+1000 VA capacity for small office equipment
+10 outlets for multiple connected devices
+Network monitoring capability
−Line interactive topology rather than online double-conversion
$1,443.07
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.7
Pros+1000 VA capacity for small office equipment
+10 outlets for multiple connected devices
+Network monitoring capability
+Rack, tower, or wall mountable in a 2U form
Cons−Line interactive topology rather than online double-conversion
Compared with the 509 UPS Battery Backups on this page+Network card: only 33 of 509 here have one
+10 outlets: only 9 of 98 here have more outlets
−1000 va: 180 of the 241 here have a higher va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
EatonSpec score 7.7
1440 VA, Line interactive
+Pure sine wave output for sensitive electronics
+Rack or tower mountable in a 2U form
+Automatic voltage regulation
−Line interactive topology rather than online double-conversion
$1,055.99
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.7
Pros+Pure sine wave output for sensitive electronics
+Rack or tower mountable in a 2U form
+Automatic voltage regulation
Cons−Line interactive topology rather than online double-conversion
Compared with the 509 UPS Battery Backups on this page+Pure sine wave: only 90 of 509 here have one
−1440 va: 173 of the 241 here have a higher va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
Tripp LiteSpec score 7.7
8000 VA, 7200 Watts, rack, Online
+8000VA capacity with 7200W output
+Online topology provides continuous power conditioning
+Rackmount design fits standard server racks
−Rackmount form requires a rack for installation
$5,829.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score7.7
Pros+8000VA capacity with 7200W output
+Online topology provides continuous power conditioning
+Rackmount design fits standard server racks
Cons−Rackmount form requires a rack for installation
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+7200 watts: only 17 of 197 here have more watts
+8000 va: only 34 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.7
15000 VA, tower, Online
+15kVA capacity for mid-range three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$18,140.54
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.7
Pros+15kVA capacity for mid-range three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+15000 va: only 8 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
VertivSpec score 7.7
15000 VA, tower, Online
+15kVA capacity for mid-range three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
−Tower form factor needs dedicated floor space
$19,581.06
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.7
Pros+15kVA capacity for mid-range three-phase loads
+Online topology for continuous conditioned power
+Includes Vertiv RDU120 card
Cons−Tower form factor needs dedicated floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+15000 va: only 8 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
APCSpec score 7.6
5000 VA, rack
+5 kVA capacity for heavier equipment loads
+Twelve 5-20R outlets for many connected devices
+Network card included for remote monitoring
−4U height uses more rack space than 2U models
$9,864.84
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.6
Pros+5 kVA capacity for heavier equipment loads
+Twelve 5-20R outlets for many connected devices
+Network card included for remote monitoring
+SmartSlot for expansion cards
+Includes a rail kit for rack mounting
Cons−4U height uses more rack space than 2U models
Compared with the 509 UPS Battery Backups on this page+Network card: only 33 of 509 here have one
+5000 va: 166 of the 241 here have a lower va
How pros and cons are picked (About: Disclaimer) EatonSpec score 7.6
6000 VA, rack, Online
+6000 VA capacity for larger rack loads
+3U rack or tower form factor
+Online double-conversion topology for continuous power conditioning
−Requires a 3U rack space or floor space
$10,290.00
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.6
Pros+6000 VA capacity for larger rack loads
+3U rack or tower form factor
+Online double-conversion topology for continuous power conditioning
+3 hour recharge time listed
Cons−Requires a 3U rack space or floor space
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+6000 va: only 47 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
Opti UPSSpec score 7.6
800 VA, 480 Watts, Line interactive
+Line interactive design regulates voltage between battery outages
+Includes automatic shutdown support for connected equipment
+Built-in AVR surge protection for European 230 volt mains
−Rated for 480 watts, so high-draw equipment will not fit
$109.99
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.6
Pros+Line interactive design regulates voltage between battery outages
+Includes automatic shutdown support for connected equipment
+Built-in AVR surge protection for European 230 volt mains
Cons−Rated for 480 watts, so high-draw equipment will not fit
Compared with the 509 UPS Battery Backups on this page+Shutdown software: only 57 of 509 here have one
−800 va: 213 of the 241 here have a higher va
−480 watts: 164 of the 197 here have more watts
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.6
6000 VA, 4800 Watts, tower, Online
+4800 W output capacity
+Online double conversion topology
+Tower form factor for floor placement
−No internal battery, batteries sold separately
$1,991.91
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.6
Pros+4800 W output capacity
+Online double conversion topology
+Tower form factor for floor placement
+LED display for monitoring
Cons−No internal battery, batteries sold separately
Compared with the 509 UPS Battery Backups on this page+Online: the highest design of the 140 here
+4800 watts: only 35 of 197 here have more watts
+6000 va: only 47 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.6
6000 VA, 6000 Watts, tower, Line interactive
+Rated at 6000 VA and 6000 W for large loads
+Tower form factor stands on its own without a rack
+Line interactive topology regulates voltage without switching to battery
−Ships without an internal battery, so batteries must be added separately
$1,391.94
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.6
Pros+Rated at 6000 VA and 6000 W for large loads
+Tower form factor stands on its own without a rack
+Line interactive topology regulates voltage without switching to battery
+Works on 220V power input
Cons−Ships without an internal battery, so batteries must be added separately
Compared with the 509 UPS Battery Backups on this page+6000 watts: only 21 of 197 here have more watts
+6000 va: only 47 of 241 here have a higher va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
APCSpec score 7.5
1500 VA, 900 Watts, rack
+Provides 1500VA and 900W of backup capacity
+Pure sine wave output suits sensitive electronics
+Rack-mount and tower form allows flexible placement
−Not sold in Vermont
$864.00
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.5
Pros+Provides 1500VA and 900W of backup capacity
+Pure sine wave output suits sensitive electronics
+Rack-mount and tower form allows flexible placement
+Rack-mountable design fits standard equipment racks
Cons−Not sold in Vermont
Compared with the 509 UPS Battery Backups on this page+Pure sine wave: only 90 of 509 here have one
−900 watts: 99 of the 197 here have more watts
How pros and cons are picked (About: Disclaimer) About this product
CyberPowerSpec score 7.5
1350 VA, 810 Watts, 10 Outlets
+1350VA and 810W capacity for mid-sized desktop setups
+Ten outlets for multiple connected devices
+Automatic shutdown support for safe power-down during outages
−Simulated sine wave output rather than pure sine wave
$174.99
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.5
Pros+1350VA and 810W capacity for mid-sized desktop setups
+Ten outlets for multiple connected devices
+Automatic shutdown support for safe power-down during outages
+LCD display for monitoring
Cons−Simulated sine wave output rather than pure sine wave
Compared with the 509 UPS Battery Backups on this page+10 outlets: only 9 of 98 here have more outlets
+Shutdown software: only 57 of 509 here have one
−1350 va: 174 of the 241 here have a higher va
−810 watts: 131 of the 197 here have more watts
How pros and cons are picked (About: Disclaimer) About this product
EatonSpec score 7.5
8000 VA, 7200 Watts
+Tower or rack mountable for flexible placement
+Hardwired installation for permanent setups
+Rated for six minutes of stand-by time
−Hardwired installation is not a plug-in option
$17,405.53
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.5
Pros+Tower or rack mountable for flexible placement
+Hardwired installation for permanent setups
+Rated for six minutes of stand-by time
Cons−Hardwired installation is not a plug-in option
Compared with the 509 UPS Battery Backups on this page+7200 watts: only 17 of 197 here have more watts
+8000 va: only 34 of 241 here have a higher va
How pros and cons are picked (About: Disclaimer) About this product
Tripp LiteSpec score 7.5
900 VA, 480 Watts, 6 Outlets
+900VA capacity with 480W real power
+Six outlets for desktop equipment
+Automatic shutdown feature included
−Lower wattage than rack-mount UPS units
$72.99
as of 11/04/2026 05:09 PST - DetailsProduct details
Spec score7.5
Pros+900VA capacity with 480W real power
+Six outlets for desktop equipment
+Automatic shutdown feature included
+Includes a 5 ft extension cord
Cons−Lower wattage than rack-mount UPS units
Compared with the 509 UPS Battery Backups on this page+Shutdown software: only 57 of 509 here have one
−900 va: 206 of the 241 here have a higher va
−480 watts: 164 of the 197 here have more watts
−6 outlets: 68 of the 98 here have more outlets
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.4
3000 VA, 2400 Watts, Line interactive
+Rated at 3000 VA and 2400 watts for larger loads
+Line interactive design regulates voltage without using battery power
+Sold without an internal battery, so a battery must be added
−No internal battery included, so extra setup is needed
$851.96
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.4
Pros+Rated at 3000 VA and 2400 watts for larger loads
+Line interactive design regulates voltage without using battery power
+Sold without an internal battery, so a battery must be added
Cons−No internal battery included, so extra setup is needed
Compared with the 509 UPS Battery Backups on this page+2400 watts: 146 of the 197 here have fewer watts
+3000 va: 149 of the 241 here have a lower va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.4
3000 VA, 2400 Watts, tower, Line interactive
+2400 W output capacity
+Tower form factor for floor or desk placement
+Line interactive topology
−No internal battery, batteries sold separately
$1,511.93
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.4
Pros+2400 W output capacity
+Tower form factor for floor or desk placement
+Line interactive topology
Cons−No internal battery, batteries sold separately
Compared with the 509 UPS Battery Backups on this page+2400 watts: 146 of the 197 here have fewer watts
+3000 va: 149 of the 241 here have a lower va
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.3
1000 VA, 600 Watts, tower, Line interactive
+Tower form factor with built-in battery
+Line interactive topology for voltage regulation
+Designed for 230V operation
−Runtime depends on the connected load
$1,175.95
as of 11/04/2026 05:06 PST - DetailsProduct details
Spec score7.3
Pros+Tower form factor with built-in battery
+Line interactive topology for voltage regulation
+Designed for 230V operation
Cons−Runtime depends on the connected load
Compared with the 509 UPS Battery Backups on this page−1000 va: 180 of the 241 here have a higher va
−600 watts: 146 of the 197 here have more watts
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
RctcbrzvtwSpec score 7.3
1000 VA, 600 Watts, tower, Line interactive
+1000VA capacity with built-in battery
+Line interactive design for voltage regulation
+Tower form factor for desktop placement
−Requires 230V power input
$1,103.95
as of 11/04/2026 11:08 PST - DetailsProduct details
Spec score7.3
Pros+1000VA capacity with built-in battery
+Line interactive design for voltage regulation
+Tower form factor for desktop placement
Cons−Requires 230V power input
Compared with the 509 UPS Battery Backups on this page−1000 va: 180 of the 241 here have a higher va
−600 watts: 146 of the 197 here have more watts
−Line interactive: 82 of the 140 here have a higher design
How pros and cons are picked (About: Disclaimer) About this product
Eaton Electrical - 5P3000RTNG2 - Eaton 5P Gen2 5P3000RTNG2 3000VA Rack/Tower UPS - 2U Rack/Tower - AVR - 9 Hour Recharge
