The World's Best-Selling Server Room UPS.
The APC Smart-UPS SMT is the most widely deployed server room UPS globally — delivering line-interactive pure sine wave power protection from 750VA to 3000VA in tower and 2U rackmount form factors, with Automatic Voltage Regulation, LCD status display, and SmartConnect cloud monitoring.
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The Smart-UPS SMT uses line-interactive topology with a boost and trim AVR that corrects input voltage fluctuations without switching to battery — extending battery life. Pure sine wave output is required by servers with active PFC PSUs.
The SMTL variant replaces lead-acid VRLA with lithium-ion batteries — reducing weight by up to 50%, unit height, and extending battery service life to 8–10 years. Lower total cost of ownership, fewer battery replacements, and a longer maintenance cycle.
Every SMT/SMTL UPS includes a built-in SmartConnect Ethernet port for cloud-based management via the APC Mobile Connect app and EcoStruxure IT platform. View UPS status, battery health, runtime estimates, and receive alerts without an additional NMC card.
Multi-function LCD shows load percentage, battery charge level, estimated runtime, input/output voltage, and any active alarms. LED indicators provide instant status at a glance in server rooms.
All SMT models include a SmartSlot accessory port for optional AP9641/AP9643 network management cards — adding full SNMP/web-based remote management and DCIM integration.
APC PowerChute Business Edition provides graceful shutdown of servers, virtual machines (VMware vSphere, Hyper-V), and NAS devices on power failure — ensuring clean filesystem shutdown before battery exhaustion.
The APC Smart-UPS SMT series is the world's most widely deployed server room and network closet UPS — installed in millions of data centres, server rooms, and IT closets globally. The SMT range covers 750VA to 3000VA in both tower and 2U rack/tower convertible form factors, with pure sine wave line-interactive topology providing reliable power protection for servers, storage arrays, networking equipment, and any load with active PFC power supplies.
Automatic Voltage Regulation corrects input voltage brownouts and over-voltages using a boost/trim transformer, without switching to battery. This dramatically extends battery service life in environments with fluctuating mains voltage. When mains voltage drops below the AVR correction range, the UPS seamlessly switches to battery in 4ms — fast enough to maintain uninterrupted operation of all server and storage PSUs.
The SMTL lithium-ion variant delivers 50% weight reduction and an 8–10 year battery lifespan. SmartConnect is built into every SMT and SMTL unit providing cloud connectivity without an additional NMC card, enabling remote monitoring via the APC Mobile Connect app from day one.
The definitive UPS choice for server rooms containing 1–10 servers, NAS, and core networking — protecting against power outages, brownouts, and surges with pure sine wave output required by modern server PSUs.
Tower SMT models fit under desks or in network cabinets protecting switches, firewalls, VoIP, and workstations. Rack SMT models integrate cleanly into 19-inch cabinets alongside servers and patch panels.
SMTL lithium-ion models are ideal for edge and branch locations where UPS battery replacement is operationally difficult — the 8–10 year lithium battery life spans multiple hardware refresh cycles.
PowerChute integration with VMware vSphere and Hyper-V enables graceful VM migration and clean host shutdown on power failure — essential for VMware clusters and Azure Stack HCI nodes.
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Our engineers will help you select the right product and advise on compatibility with your existing infrastructure.
Most products ship from UK stock. Express delivery available for urgent deployments.
All products are genuine, brand-new, with full manufacturer warranty and RMA support.
We can pre-configure your hardware before shipping — reducing on-site deployment time and cost.
Post-sale support from our certified engineers. We're here if anything goes wrong.
