APC SMX750C Smart‑UPS X 750VA Rack/Tower Line‑Interactive UPS

Overview

The APC SMX750C is a line‑interactive rack/tower uninterruptible power supply (UPS) engineered to deliver regulated backup power to servers, networking equipment, and edge IT devices in compact infrastructure environments. It is deployed by network and systems administrators who need short‑duration backup power, voltage regulation, and controlled shutdown capability for critical equipment in small server racks, IDF/MDF closets, or branch office cabinets.

This UPS provides 750VA / 675W output capacity with pure sine wave output, ensuring compatibility with modern servers, storage arrays, and networking hardware with active‑PFC power supplies. Its line‑interactive topology includes Automatic Voltage Regulation (AVR) to correct minor undervoltage and overvoltage conditions without switching to battery power, extending battery life while maintaining stable output. The system operates on 120V AC infrastructure with an approximate input voltage range of 82–144V and utilizes a NEMA 5‑15P input connector. (networkhardwares.com)

The SMX750C features eight NEMA 5‑15R battery‑backup outlets, allowing connection of multiple devices such as rack servers, switches, and storage appliances. It provides a rack/tower convertible form factor, enabling deployment in standard 19‑inch racks (1U or 2U) or as a freestanding UPS using the included support feet. This form factor flexibility makes it suitable for both traditional rack infrastructure and standalone equipment setups. (bhphotovideo.com)

For management and integration, the UPS includes SmartConnect remote monitoring, along with USB and serial communications ports. A SmartSlot expansion interface allows installation of optional network management cards for SNMP monitoring and integration with centralized infrastructure monitoring platforms such as APC EcoStruxure IT. ()

In real deployments, the SMX750C is often used to protect lightweight server racks, network closets, branch office infrastructure, or edge compute cabinets. Runtime at full load (675W) is typically several minutes—sufficient for graceful shutdown or bridging to standby generators—while partial loads can extend usable runtime. However, environments requiring extended runtime autonomy or multi‑kilowatt loads should consider higher‑capacity or modular UPS solutions.

Key Features

• 750VA / 675W line‑interactive UPS with pure sine output
• Rack/tower convertible form factor for flexible deployment
• Automatic Voltage Regulation stabilizes utility fluctuations
• Eight NEMA 5‑15R outlets with battery backup
• SmartConnect remote monitoring with SmartSlot expansion