- 1200VA / 840W line-interactive pure sine wave UPS with support for up to 10 external battery packs for extended runtime
- 120V — 4U Rack/Tower Convertible chassis fits standard 19-inch racks or deploys as tower (rail kit may be required)
- SmartSlot bay accepts optional Network Management Card and environmental monitoring accessories
- Compatible with PowerChute Network Shutdown for graceful shutdown of physical servers, virtual machines, and HCI clusters
- 3-year UPS warranty; external battery packs and replacement cartridges available from Questyme
Product Highlights
Documents
Description
APC Smart-UPS X SMX120BP — 1200VA Rack/Tower Convertible with Extended Runtime Architecture
The SMX120BP is a 1200VA / 840W line-interactive UPS with a defining capability: support for up to 10 external battery packs. Where most UPS units lock you into the runtime they ship with, the Smart-UPS X (SMX) platform separates runtime from the base unit — letting you size the UPS for your load today and add runtime tomorrow as requirements evolve.
The Extended Runtime Architecture
Standard internal battery runtime sits in the minutes range under typical load. For data centers with reliable generator backup and 30-second transfer time, that is enough. For sites without generators, or with longer transfer windows, internal-only runtime is the wrong question. The SMX architecture solves this by allowing post-purchase runtime scaling — add packs as your runtime target grows without replacing the UPS itself.
Key Features
- External Battery Pack Support: Up to 10 SMX battery packs in series — runtime scales linearly with pack count.
- Rack/Tower Convertible: 4U Rack/Tower Convertible chassis fits standard 19-inch racks or deploys as a tower without rail kit modification.
- Pure Sine Wave Output: Delivers a clean pure sine wave to connected equipment. Active PFC power supplies common in modern servers and storage arrays will throw errors or shut down on the simulated/stepped-wave output produced by entry-level UPS units; pure sine eliminates that risk.
- Automatic Voltage Regulation: AVR uses a buck-and-boost transformer stage to bring out-of-range utility voltage back to nominal levels in real time. The UPS only transitions to battery for true outages, which significantly extends battery service life.
- SmartSlot Expansion: The SmartSlot bay accepts APC accessory cards including the AP9641 Network Management Card 3 for SNMP/web management, environmental monitoring modules, and dry-contact modules for building automation integration.
- PowerChute Network Shutdown: Graceful shutdown coordination for physical servers, hypervisors (VMware, Hyper-V, KVM), and HCI clusters.
Technical Specifications
| Specification | Value |
|---|---|
| VA / Watts | 1200VA / 840W |
| Topology | Line Interactive |
| Output Waveform | Pure Sine Wave |
| Voltage | 120V |
| Form Factor | 4U Rack/Tower Convertible |
| External Battery Support | Up to 10 SMX battery packs |
| Management | SmartSlot bay (NMC accessory available) |
| TAA Compliance | Standard model (TAA variant available) |
| Warranty | 3-year UPS / 2-year battery |
Ideal Applications and Industries
- Server Rooms and Network Cores: Backbone protection for core switches, firewalls, and DNS/DHCP infrastructure where a power blip causes hours of recovery work.
- Imaging, Radiology, and Lab Workstations: Prevents loss of in-progress studies, scan results, and dictation work during voltage events.
- TAA / Trade Agreements Act Compliant Procurement: Eligible for GSA Schedule purchasing where verified country-of-origin is a contract requirement.
- VoIP Phone Systems and Communications: Keeps call manager appliances, SBCs, and PoE switches online for sustained voice service during outages.
- Surveillance and Physical Security: Continuous power for NVRs, access control panels, and IP camera networks.
Power Expert Consultation Available
Questyme has been an APC authorized reseller since 2009. Our team can verify compatibility with your existing rack hardware, recommend appropriate runtime configurations, and provide TAA and procurement documentation when needed. Request a consultation before specifying.
Specifications
Overview
Model
APC Smart-UPS X 120V Short Depth External Battery Pack Tower/Rack Convertible
Main
Battery Type
Lead-Acid battery
Removable Battery
User replaceable
Physical
Color
Black
Mounting Mode
Rack-mounted
Product Line
SMART-UPS OVER 1.5 KVA
Shipping Dimensions
Height: 12.99Width: 23.07Length: 24.92
Shipping Weight
144.29 lb
UPC Code
731304292562
Lead time
Usually Ships within 2 Weeks
Provided Equipment
Installation guide
Rack Mounting brackets
Rack Mounting brackets
Environmental
Carbon Footprint (kg CO₂ eq, Total Life Cycle)
300
Packaging Made with Recycled Cardboard
Yes
Packaging without Single Use Plastics
No
Ambient Air Temperature for Operation
32-104 ?F
Ambient Air Temperature for Storage
5-113 ?F
Relative Humidity
0-95 %
Storage Relative Humidity
0-95 %
Operating Altitude
0-10000 ft
Packaging / Certifications
Unit Type of Package 1
PCE
Packaging Made with Recycled Cardboard
Yes
Packaging without Single Use Plastics
No
Take-back
Yes
EU RoHS Directive
Pro-active compliance (Product out of EU RoHS legal scope)