APC by Schneider Electric SYA8K16IXR vs APC by Schneider Electric SRT8KRMXLT: Specification Comparison
Both the SYA8K16IXR and SRT8KRMXLT are 8 kVA-class UPS units from APC by Schneider Electric, making them direct cross-shop candidates for data centers, server rooms, and critical infrastructure installations requiring high-capacity, uninterruptible power protection. The SYA8K16IXR is a Symmetra LX modular/scalable platform, while the SRT8KRMXLT is a Smart-UPS On-Line double-conversion rackmount unit. Both target similar power capacity tiers but differ substantially in topology, scalability architecture, input flexibility, and available spec transparency.
In This Guide
- Which UPS offers the right power topology and scalability for the installation?
- How do the input voltage range, output voltage, and power quality specs compare?
- What management capabilities and physical/environmental specs does each unit provide?
- Which should you choose: the SYA8K16IXR or the SRT8KRMXLT?
- Side-by-Side Specs
- FAQ
Which UPS offers the right power topology and scalability for the installation?
The SRT8KRMXLT specifies a double-conversion (online) topology with a true sine-wave output, meaning it continuously regenerates clean AC power and provides zero transfer time during an outage — a critical attribute for sensitive electronics and mission-critical loads. Its output power capacity is confirmed at 8 kVA / 8,000 W, yielding a unity power factor (1.0). The SYA8K16IXR is typed as an Uninterruptible Power Supply but its topology (e.g., double-conversion, line-interactive) is not stated in the provided specifications.
On scalability, the SYA8K16IXR's model name explicitly denotes 'Scalable to 16KVA N+1,' indicating a modular Symmetra LX architecture that supports capacity and redundancy expansion without replacing the frame — a significant architectural advantage for growing environments. The SRT8KRMXLT's provided specs do not indicate any scalability path beyond its fixed 8 kVA / 8 kW rating. Buyers planning for load growth or requiring N+1 redundancy at the UPS module level should weigh this distinction heavily.
How do the input voltage range, output voltage, and power quality specs compare?
The SRT8KRMXLT provides detailed input and output electrical specs: it accepts input voltages from 100 V to 275 V across a 40–70 Hz frequency window, offering broad compatibility with varying utility power conditions. Output is delivered at 208 V to 240 V at 50/60 Hz. Input current THD is specified at a low 2%, indicating minimal harmonic pollution returned to the utility feed — an important consideration in shared electrical infrastructure. Its crest factor is rated 3:1, and surge energy rating is 480 J.
The SYA8K16IXR's provided specifications list only an output voltage of 230 V. No input voltage range, input frequency tolerance, input THD, crest factor, or surge energy rating is provided in the available specs. For buyers who must validate electrical compatibility with facility infrastructure or evaluate power quality impact, the SRT8KRMXLT offers substantially more verifiable data. The SYA8K16IXR's 230 V output versus the SRT8KRMXLT's 208–240 V range is also a key regional and load compatibility consideration.
What management capabilities and physical/environmental specs does each unit provide?
The SRT8KRMXLT specifies web-based management, audible alarms, auto-restart, and surge protection as confirmed features. Its noise level is rated at 55 dB, a relevant consideration for installations in occupied spaces or noise-sensitive environments. Form factor is rackmount at 6U. Battery type and rack unit count are not specified in the provided data for the SRT8KRMXLT.
The SYA8K16IXR specifies a lead-acid battery type and lists a rack unit count of 0 — which may reflect a tower or frame configuration rather than a standard rackmount profile, though this is not clarified in the provided specs. Its color is listed as Black/Silver and width as 19 in. No management interface (web, SNMP, LCD), alarm, auto-restart, or noise level data is provided for the SYA8K16IXR. Buyers requiring confirmed remote management capabilities can only verify those features on the SRT8KRMXLT from the available specifications.
Which should you choose: the SYA8K16IXR or the SRT8KRMXLT?
Our take: The SRT8KRMXLT is the stronger choice when verified electrical specifications, confirmed double-conversion topology, and documented management features are the purchasing criteria. Its specs confirm a 100–275 V input range versus no input range data for the SYA8K16IXR, a 2% input THD versus no THD figure available for the SYA8K16IXR, and confirmed web-based management and auto-restart versus no management specs provided for the SYA8K16IXR. However, the SYA8K16IXR is the stronger choice for environments requiring modular scalability: its Symmetra LX architecture supports expansion to 16 kVA with N+1 redundancy — a capability entirely absent from the SRT8KRMXLT's provided specs. The SYA8K16IXR's 230 V output also targets international or 230 V-native facilities, while the SRT8KRMXLT's 208–240 V output with NEMA receptacles targets North American data center environments.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SYA8K16IXR | APC by Schneider Electric SRT8KRMXLT |
|---|---|---|
| UPS Type / Class | 8 kVA Scalable UPS (Symmetra LX) | 8 kVA Online UPS (Smart-UPS On-Line) |
| UPS Topology | — | Double-conversion (Online) |
| Output Power Capacity | 8 kVA (scalable to 16 kVA) | 8 kVA / 8,000 W |
| Power Factor | — | 1.0 (8 kW at 8 kVA) |
| Scalability / Redundancy | Scalable to 16 kVA, N+1 | — |
| Output Voltage | 230 V | 208 V – 240 V |
| Output Frequency | — | 50 / 60 Hz |
| Input Voltage Range | — | 100 V – 275 V |
| Input Frequency Range | — | 40 – 70 Hz |
| Input Current THD | — | 2% |
| Waveform | — | Sine |
| Crest Factor | — | 3:1 |
| Surge Energy Rating | — | 480 J |
| Battery Type | Lead-acid | — |
| Noise Level | — | 55 dB |
| Web-based Management | — | Yes |
| Auto-restart | — | Yes |
| Audible Alarm | — | Yes |
| Surge Protection | — | Yes |
| Form Factor / Rack Units | 19 in. wide; 0 RU listed | Rackmount 6U |
| Color | Black / Silver | — |
Frequently Asked Questions
Which should you choose: the SYA8K16IXR or the SRT8KRMXLT?
The SRT8KRMXLT is the stronger choice when verified electrical specifications, confirmed double-conversion topology, and documented management features are the purchasing criteria. Its specs confirm a 100–275 V input range versus no input range data for the SYA8K16IXR, a 2% input THD versus no THD figure available for the SYA8K16IXR, and confirmed web-based management and auto-restart versus no management specs provided for the SYA8K16IXR. However, the SYA8K16IXR is the stronger choice for environments requiring modular scalability: its Symmetra LX architecture supports expansion to 16 kVA with N+1 redundancy — a capability entirely absent from the SRT8KRMXLT's provided specs. The SYA8K16IXR's 230 V output also targets international or 230 V-native facilities, while the SRT8KRMXLT's 208–240 V output with NEMA receptacles targets North American data center environments.
Is the SYA8K16IXR or SRT8KRMXLT better for a growing data center that may need more capacity later?
Based on the provided specifications, the SYA8K16IXR is the better fit for growth scenarios. Its Symmetra LX architecture is explicitly rated as scalable to 16 kVA with N+1 redundancy support, allowing capacity expansion without replacing the UPS frame. The SRT8KRMXLT's specs do not indicate any modular scalability beyond its fixed 8 kVA / 8 kW rating.
Which unit has better confirmed power quality and input flexibility?
The SRT8KRMXLT provides substantially more verifiable power quality data: a 100–275 V input voltage range, 40–70 Hz input frequency tolerance, 2% input current THD, a 3:1 crest factor, and a 480 J surge energy rating. None of these figures are present in the provided specifications for the SYA8K16IXR, so a direct comparison cannot be made on those dimensions.
Can I manage either of these UPS units remotely via a web interface?
Web-based management is a confirmed specification for the SRT8KRMXLT. The provided specifications for the SYA8K16IXR do not include any management interface details — web-based or otherwise — so remote management capability cannot be confirmed from the available spec data for that model.
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