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APC Smart-UPS, Lithium-ion UPS, Rackmount 1U, 120V, 4X NEMA 5-15R Outlets, SmartConnect Port, Short Depth SCL500RM1UC, Black
APC

APC Smart-UPS

Bottom line: The APC Smart-UPS: 500VA/400W pure sine wave output safe for active PFC network gear and POS terminals; main trade-off: 400W ceiling rules out desktop PCs and anything with a discrete GPU.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 500VA/400W pure sine wave output safe for active PFC network gear and POS terminals
  • ✓ 1U rackmount chassis ships with mounting rails included
  • ✓ Short-depth body fits shallow wall-mount and comms racks
  • ✓ Lithium-ion cells last longer between swaps than sealed lead-acid
  • ✓ Four NEMA 5-15R outlets plus built-in data line surge protection

Cons

  • ✗ 400W ceiling rules out desktop PCs and anything with a discrete GPU
  • ✗ SmartConnect remote monitoring is only a 6-month trial after August 1, 2023
  • ✗ Four outlets total, with no separate surge-only bank for lower-priority loads

Manufacturer description

APC Lithium-Ion UPS. APC Smart-UPS SC is ideal for small and medium businesses looking to protect networking equipment and point-of-sale (POS) devices from power disturbances and outages. The Smart-UPS SC features network grade protection, hot swap batteries, and built-in data line protection for worry free uninterruptible power protection for increased availability. Built on the same standards as the award-winning Smart-UPS, Smart-UPS SC provides the basic features and manageability needed to protect entry-level applications.

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SpecPicks Verdict

SpecPicks scored APC Smart-UPS using a rating × review-volume × price-fit model applied to published specs and reviews across the power protection category. APC'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 retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 500VA / 400W Sine Wave UPS battery backup
  • LED display indicates Online/On Battery SmartConnect Status Network Status Event Detected and Replace battery
  • Input NEMA 5-15P Output (4) NEMA 5-15R Nominal Input/Output Voltage 120V. Cable Length 6 ft.
  • APC SmartConnect is an easy to use remote monitoring feature (via a secure portal) that provides automatic notifications, firmware updates, and advanced support services. For all units purchased and/or registered after August 1, 2023, SmartConnect will be offered as a 6-month free trial
  • 1U Rackmount UPS Includes rack mounting support rails

Full Specifications

BrandAPC
ColorBlack
Runtime2 minutes
Voltage120 volts
Wattage450 watts
Amperage0.42 A
Unit Count1 Count
Form FactorRack
Model NumberSCL500RM1UC
Input Voltage120 volts
Maximum Power400 watts
Connector TypeNEMA
Output Current3.75 A
Output Voltage120 volts
Output Wattage400 watts
Frequency Range50-60 Hz
Item Dimensions9.13 x 17.01 x 1.73 inches
Mfr Part NumberSCL500RM1UC
Number of Items1
Number of Packs1
Full listing titleAPC Smart-UPS, Lithium-ion UPS, Rackmount 1U, 120V, 4X NEMA 5-15R Outlets, SmartConnect Port, Short Depth SCL500RM1UC, Black

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APC Smart-UPS, Lithium-ion UPS, Rackmount 1U, 120V, 4X NEMA 5-15R Outlets, SmartConnect Port, Short Depth SCL500RM1UC, Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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APC Smart-UPS, Lithium-ion UPS, Rackmount 1U, 120V, 4X NEMA 5-15R Outlets, SmartConnect Port, Short Depth SCL500RM1UC, Black
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