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Tripp Lite 500VA Smart UPS Back Up, 300W Line-Interactive, 1U Rackmount, Network Card Options, USB, DB9 Serial, 2 & 3 Year Warranties, $250,000 Insurance (SMART500RT1U)
TRIPP LITE

Tripp Lite 500VA Smart UPS Back Up, 300W Line-Interactive, 1U Rackmount, Network Card Options, USB, DB9 Serial, 2 & 3 Year Warranties, $250,000 Insurance (SMART500RT1U)

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

$199.99

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*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The Tripp Lite 500VA Smart UPS Back Up, 300W Line-Interactive, 1U Rackmount, Network Card Options, USB, DB9 Serial, 2 & 3 Year Warranties, $250,000 Insurance (SMART500RT1U) is a specs-and-price decision rather than a crowd-consensus one in the power protection category, priced around $199.99. Check the specification table above against one or two close alternatives — on price and spec fit, not on star ratings.

Tripp Lite's SMART500RT1U intelligent, line-interactive rack/tower uninterruptible power supply prevents data loss, downtime and equipment damage due to power outages, voltage fluctuations and transient surges. Requires only one rack space (1U) in a 2 or 4 post rack, with included accessories for upright tower placement. Large internal batteries offer 14.6 minutes half load runtime and 3.2 minutes at full load. Maintains regulated 120V nominal output without using battery power during brownouts as low as 90V.500VA/300 watt power handling capability is compatible with networking, telecom and…

SpecPicks Verdict

SpecPicks scored Tripp Lite 500VA Smart UPS Back Up, 300W Line-Interactive, 1U… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power protection category. TRIPP LITE's power protection lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power protection of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

  • ✓ Supports Watchdog application, OS and hard reboot restart options for remote applications
  • ✓ Backed by TRIPP LITE's warranty and support channels
  • ✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

  • 500VA line interactive 1U rack/tower UPS. Installed depth of only 11.8 inches. USB, RS232, EPO and optional SNMP/Web card
  • 6 NEMA 5 15R outlets 6 UPS & 1 surge only, 1 outlet is individually controllable for load shedding
  • Supports Watchdog application, OS and hard reboot restart options for remote applications
  • Included PowerAlert software for complete network power management and control
  • Advanced Automatic Voltage Regulation AVR corrects brownouts without draining battery

Full Specifications

BrandTRIPP LITE
ColorCREAM
Runtime3 minutes
Voltage120 Volts
Wattage300 watts
Amperage4.2
Unit Count1.0 Count
Form FactorRack/Tower
ConnectivityUSB
Model NumberSMART500RT1U
Input Voltage120 Volts (AC)
Maximum Power300 Watts
Built-In MediaMounting Hardware, Cabling for USB & DB9 Monitoring and EPO Switching, Poweralert Unattended Shutdown and UPS or Power Monitoring Software, Instruction Manual
Connector TypeNEMA 5-15R
Item Type NameUPS
Output Current2.5 Amps
Output Voltage120 Volts (AC)
Output Wattage300 Watts
Item Dimensions11.26 x 17.32 x 1.73 inches
Mfr Part NumberSMART500RT1U

Ready to buy?

Tripp Lite 500VA Smart UPS Back Up, 300W Line-Interactive, 1U Rackmount, Network Card Options, USB, DB9 Serial, 2 & 3 Year Warranties, $250,000 Insurance (SMART500RT1U) is sold on the used and vintage market, where eBay carries the live inventory — Amazon does not stock this part. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

See live eBay listings →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

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