Grid & Cell

APC Back-UPS Pro 1000 vs Smart-UPS SRT 3000VA: Which Used UPS Fits Your Critical Power Needs?

Compare two used APC UPS units: the budget-friendly Back-UPS Pro 1000 with eight outlets and the high-capacity Smart-UPS SRT 3000VA rackmount (no batteries). Find the right fit for your critical power setup.

Last updated Aug 17, 2026

Choosing a UPS for critical power means balancing upfront cost against the capacity to keep your equipment running when the lights flicker. Two APC units illustrate that trade-off clearly: one is a low-price model built for everyday devices, and the other is a rack-mount workhorse that needs some attention before it's ready. The right pick depends on where your gear lives, how much it draws, and whether you're comfortable with pre-owned quirks.

Quick verdict

For most home and small-office setups, the APC Back-UPS Pro 1000 is the safer, cheaper choice. It covers the basics without stretching your budget. The APC Smart-UPS SRT 3000VA makes sense only if you have a rack and a load that truly needs its power, and you're willing to handle the compromises of a workhorse.

At a glance

| Feature | APC Back-UPS Pro 1000 | APC Smart-UPS SRT 3000VA |

| Price | $64.99 | $203.62 |

| Capacity | 8 outlets | 2700W |

| Battery setup | Battery carrier | No batteries |

Where the Back-UPS Pro 1000 wins

The Pro 1000 is the winner when budget is your main concern. It costs far less than the SRT and is positioned for the kind of everyday gear you find on a desk or in a small office. You're not paying for huge capacity you'll never use.

Where the Smart-UPS SRT wins

The SRT takes the lead when the load is heavy. It's built for gear that needs serious power, making it the right tool for a rack environment. For a serious setup, this is the one that can handle the job.

Product notes

APC Back-UPS PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier

APC Back-Ups PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier QTY

The Pro 1000 is the easy-going option in this pairing. It brings eight outlets to the table, which is enough for a computer, monitor, router, modem, and a couple of extras. This is the pick when you want protection without a major outlay. The main drawback is that it's a used unit, so you should be prepared for cosmetic signs of previous ownership. You'll also want to test it before trusting it with important gear, because used electronics can have hidden issues. It's best suited to modest gear rather than high-draw servers. If your setup is a desk or a small office rather than a server rack, the Pro 1000 is a sensible, low-stress choice.

APC SRT3000RMXLA Smart-UPS SRT 3000VA Rackmount UPS (No Batteries)

APC SRT3000RMXLA Smart-UPS SRT 3000VA Rackmount UPS (No Batteries

The SRT 3000VA is the heavyweight of the pair. It's a rackmount 2U unit rated at 2700W, so it can take on servers and network switches that would overwhelm a small desktop UPS. The trade-offs are significant: the unit ships without batteries, the front bezel retaining clips are damaged, and the rear USB port is defective. Cosmetic wear is also noted. This is not a plug-and-play purchase; it's a project for someone who has batteries on hand and can work around the defects. The unit was removed from a working environment and re-boxed, so it has history beyond normal use. If you're building a rack and need real capacity, the SRT gives you the power foundation at a price that's still well below what a new unit would cost. Just go in knowing you're buying a used unit with imperfections.

Final choice by use case

  • Home office or small desk setup: the Back-UPS Pro 1000 is the practical pick at the lower price.
  • Rack with serious power demands: the Smart-UPS SRT 3000VA is the one built for the job, with the understanding that it's a fixer-upper.
  • Tight budget and modest loads: the Pro 1000 is the lower-cost path to backup protection.
  • Planning to expand into high-power rack gear: the SRT's power headroom makes it the forward-looking option.
Products in this article
APC Back-Ups PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier QTYUSD 64.99View on eBayAPC SRT3000RMXLA Smart-UPS SRT 3000VA Rackmount UPS (No BatteriesUSD 203.62View on eBay
APC Back-Ups PRO 1000 BR1000G 8 Outlets UPS w/Battery Carrier QTYUSD 64.99View on eBayAPC SRT3000RMXLA Smart-UPS SRT 3000VA Rackmount UPS (No BatteriesUSD 203.62View on eBay

You may also like

Finding more guides for you…