APC by Schneider Electric SMX2000LV vs APC by Schneider Electric SMX2000RMLV2U: Specification Comparison
Both the SMX2000LV and SMX2000RMLV2U are APC Smart-UPS X line-interactive, sine-wave UPS units rated at 2000VA/1800W for 120V environments, designed for rack/tower dual-use installation. This comparison covers the three most decision-relevant dimensions for installer and IT buyers evaluating these side-by-side: output capacity and runtime extensibility, physical form factor and connectivity, and management integration and monitoring capabilities. Neither unit is declared a winner in this section — the specs are examined objectively.
In This Guide
- Which model offers more runtime flexibility and output capacity?
- How do the two units differ in physical form factor, input/output connections, and installation profile?
- Which model provides more comprehensive management, monitoring, and software integration?
- Which should you choose: the SMX2000LV or the SMX2000RMLV2U?
- Side-by-Side Specs
- FAQ
Which model offers more runtime flexibility and output capacity?
Both units share identical rated output figures: 1800 W and 1920 VA (SMX2000LV states 1920 VA explicitly; SMX2000RMLV2U states 1.92 kVA, which is equivalent). On-battery runtime at full load is driven by internal battery capacity, listed only for the SMX2000LV at 690 VAh / 229 W rated charge. The SMX2000RMLV2U spec sheet does not disclose internal battery VAh or charge wattage.
The SMX2000LV explicitly supports runtime extension via external battery modules (SMX120BP), with documented configurations ranging from 2,070 VAh (1 module) up to 14,490 VAh (10 modules). The SMX2000RMLV2U spec sheet does not list any external battery module compatibility or extended-run options. Both models share a 3-hour recharge time. Battery technology is described as 'Lead-Acid' for the SMX2000LV and 'Sealed Lead Acid (VRLA)' for the SMX2000RMLV2U — functionally the same chemistry.
The SMX2000LV provides a surge energy rating not listed in its spec sheet; the SMX2000RMLV2U specifies 540 J of surge energy rating. Efficiency is stated at 98% for the SMX2000RMLV2U only — the SMX2000LV spec sheet does not disclose an efficiency figure.
How do the two units differ in physical form factor, input/output connections, and installation profile?
The SMX2000LV is specified at 4U rack height with dimensions of 432 mm (W) and a shipping footprint of 330 mm H × 586 mm W × 633 mm D, weighing 85.0 lbs (38.64 kg). The SMX2000RMLV2U is listed as 'Rackmount/Tower' but its rack unit count, physical dimensions, and weight are not provided in the supplied specs.
Input connectivity differs: the SMX2000LV uses a NEMA 5-20P plug on an 8 ft (2.44 m) cord. The SMX2000RMLV2U spec sheet does not specify input plug type or cord length. On the output side, the SMX2000LV provides 6× NEMA 5-15R + 3× NEMA 5-20R + 1× NEMA L5-20R (10 total outlets). The SMX2000RMLV2U lists NEMA 5-15R and NEMA 5-20R outlet types with a combined total of 7 AC outlets; the split between 5-15R and 5-20R is not broken out.
Both models accept the same nominal input voltage (120V) with identical rated output voltage (120V). The SMX2000LV lists additional compatible input voltages of 100V, 110V, and 127V. The SMX2000RMLV2U defines an input operating range of 75–154 V, which indicates a wider tolerance window, though the SMX2000LV spec sheet does not define its lower/upper voltage operating thresholds numerically. Transfer time is stated for the SMX2000LV at 2–4 ms (4 ms typical, 8 ms maximum); the SMX2000RMLV2U spec sheet does not state transfer time.
Which model provides more comprehensive management, monitoring, and software integration?
The SMX2000LV provides a detailed management profile: a multi-function LCD front panel displaying UPS status, load, battery state, configuration, and diagnostics; LED status indicators (online, on-battery, replace battery, overload, fault); physical controls for power, menu navigation, self-test, and alarm silence; configurable alarm delays; and an EPO contact closure. It includes one SmartSlot for optional network management card installation, a USB (HID-compliant) port, and a DB9 RS-232 serial port.
The SMX2000LV explicitly supports APC PowerChute Network Shutdown software, SNMP/web monitoring via an optional network card, remote access, firmware updates, and event logging through its management interface. The SMX2000RMLV2U spec sheet confirms EPO support and audible alarms but provides no detail on front panel display type, communication ports (USB, serial, SmartSlot), network management card compatibility, supported software, or monitoring/logging capabilities.
In summary, the SMX2000LV has a fully documented management and integration stack. For the SMX2000RMLV2U, management capabilities beyond EPO and audible alarm are not specified in the provided data — buyers requiring confirmed management port or software compatibility should verify directly with APC for that model.
Which should you choose: the SMX2000LV or the SMX2000RMLV2U?
Our take: The SMX2000LV is the stronger documented choice when runtime extensibility, outlet density, and verified management integration are decision factors. On runtime, the SMX2000LV is the only model with confirmed external battery module support (up to 14,490 VAh across 10 SMX120BP modules) versus no stated extension capability for the SMX2000RMLV2U. On outlets, the SMX2000LV provides 10 total output receptacles including a NEMA L5-20R, compared to 7 on the SMX2000RMLV2U with no L5-20R listed. On management, the SMX2000LV documents USB, RS-232, SmartSlot, EPO, LCD panel, and PowerChute software compatibility; the SMX2000RMLV2U confirms only EPO and audible alarms. The SMX2000RMLV2U's 98% efficiency rating and 540 J surge rating are advantages not matched by available SMX2000LV data. Buyers on APC PowerChute or requiring extended runtime should specify the SMX2000LV; buyers prioritizing confirmed efficiency or operating in tightly space-constrained racks should verify SMX2000RMLV2U physical dimensions before committing.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SMX2000LV | APC by Schneider Electric SMX2000RMLV2U |
|---|---|---|
| UPS Topology | Line Interactive | Line Interactive |
| Output Capacity (VA) | 1920 VA | 1.92 kVA (1920 VA) |
| Output Capacity (W) | 1800 W | 1800 W |
| Nominal Input Voltage | 120V (also 100/110/127V) | 120V |
| Input Operating Range | — | 75–154 V |
| Nominal Output Voltage | 120V | 120V |
| Wave Form | Sine wave | — |
| Transfer Time | 2–4 ms (8 ms max) | — |
| Output Outlets | 10 (6× 5-15R, 3× 5-20R, 1× L5-20R) | 7 (5-15R and 5-20R; split not specified) |
| Input Plug | NEMA 5-20P, 8 ft cord | — |
| Battery Chemistry | Lead-Acid | Sealed Lead Acid (VRLA) |
| Battery Recharge Time | 3 h | 3 h |
| Internal Battery Capacity | 690 VAh | — |
| External Battery Module Support | Yes (SMX120BP, up to 14,490 VAh) | — |
| Efficiency | — | 98% |
| Surge Energy Rating | — | 540 J |
| Acoustic Noise | 55 dBA | 55 dB |
| Form Factor / Rack Height | Rack/Tower, 4U | Rack/Tower, rack-U not specified |
| Weight | 85.0 lbs (38.64 kg) | — |
| Communication Ports | USB (HID), DB9 RS-232, SmartSlot, EPO | EPO (others not specified) |
| Front Panel Display | Multi-function LCD + LED indicators | — |
| Software Compatibility | APC PowerChute Network Shutdown | — |
| Network Management Card Slot | 1 SmartSlot | — |
| Harmonic Distortion (Output THD) | Less than 5% | 5% |
| EPO Support | Yes | Yes |
Frequently Asked Questions
Which should you choose: the SMX2000LV or the SMX2000RMLV2U?
The SMX2000LV is the stronger documented choice when runtime extensibility, outlet density, and verified management integration are decision factors. On runtime, the SMX2000LV is the only model with confirmed external battery module support (up to 14,490 VAh across 10 SMX120BP modules) versus no stated extension capability for the SMX2000RMLV2U. On outlets, the SMX2000LV provides 10 total output receptacles including a NEMA L5-20R, compared to 7 on the SMX2000RMLV2U with no L5-20R listed. On management, the SMX2000LV documents USB, RS-232, SmartSlot, EPO, LCD panel, and PowerChute software compatibility; the SMX2000RMLV2U confirms only EPO and audible alarms. The SMX2000RMLV2U's 98% efficiency rating and 540 J surge rating are advantages not matched by available SMX2000LV data. Buyers on APC PowerChute or requiring extended runtime should specify the SMX2000LV; buyers prioritizing confirmed efficiency or operating in tightly space-constrained racks should verify SMX2000RMLV2U physical dimensions before committing.
Can I add external battery packs to either the SMX2000LV or the SMX2000RMLV2U to extend runtime?
Based on the provided specifications, the SMX2000LV explicitly supports external battery modules (SMX120BP), with documented runtime configurations from 2,070 VAh (1 module) to 14,490 VAh (10 modules). The SMX2000RMLV2U spec sheet does not list any external battery module compatibility, so extended-run support for that model cannot be confirmed from the available data.
Which model connects to more devices or offers more output outlets?
The SMX2000LV provides 10 output outlets: 6× NEMA 5-15R, 3× NEMA 5-20R, and 1× NEMA L5-20R. The SMX2000RMLV2U provides 7 total AC outlets (NEMA 5-15R and NEMA 5-20R types; the per-type count is not broken out in the spec sheet). The SMX2000LV has a higher outlet count and adds a locking L5-20R receptacle not listed on the SMX2000RMLV2U.
Does either UPS support network management cards or software like APC PowerChute?
The SMX2000LV spec sheet confirms one SmartSlot for an optional network management card, USB (HID-compliant) and DB9 RS-232 ports, and explicit compatibility with APC PowerChute Network Shutdown and SNMP/web monitoring solutions. The SMX2000RMLV2U spec sheet does not document any communication ports, management card slot, or software compatibility — buyers requiring those features for the SMX2000RMLV2U should verify directly with APC.
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