G1116-0900WNA – 900W CRPS Power Supply for Enterprise Switches, Access Platforms, and Distributed Computing Nodes
Features
CRPS-185: 185×73.5x40mm (LxWxH)
CRPS-265: 265×73.5x40mm (LxWxH)
3A Max standby output current
Voltage Tolerance : 54.5Vdc ±3%(52.8-56.1Vdc)
Hot-plug
Full Digital control
Active Power Factor Correction
Intelligent-thermal Fan Control
N+1 Redundant
Reverse Airflow Option
Applications
POE Switch
Networking
Telecom
Artificial Intelligence
Router System
Data Centers
5G Base Stations
IoT Gateways
Approvals
UL/CUL
CB
TUV/Mark
CCC/CQC
FCC
CE
Specifications
| Output Power (W): | 900 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 16.8 |
| Output Voltage (V): | 54.5 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 900 |
| Minimum Input Voltage (V): | 90 |
| Maximum Input Voltage (V): | 264 |
Model Selection Comparison Table
|
Model |
Power Class | Use Role | Input | Form Factor | Recommended Use |
| G1116-0600WNA | Entry | Enterprise & network compute | AC/DC | CRPS-185 |
General server roles and branch workloads |
| Mid | Heavier virtualization & caching | AC/DC | CRPS-185 | Moderate I/O and multi-VM tasks | |
| G1116-1200WNA | High | GPU-assisted or dense compute | AC/DC | CRPS-185 |
Inference & intensive concurrency |
| Extreme | HPC or multi-accelerator nodes | AC/DC | CRPS-185 | Dense compute and AI workloads | |
| G1116-2000WNA | Peak | Continuous heavy duty | AC/DC | CRPS-185 |
Large-scale cluster/AI backbones |
Deployment Scenarios
The G1116-0900WNA sits above the 600W tier within the G1116 family, offering 900W continuous output suited for infrastructure where virtual machines, storage activity, and concurrency levels are more demanding. This capacity class fits branch-level cloud nodes, regional POP compute, monitoring clusters with heavy log bandwidth, hybrid file systems, and container platforms that require consistent power delivery without transition into GPU-heavy territory. Compared to the 0600W model, it provides more watt overhead for cache synchronization, VM scaling, data handling surges, and higher I/O duty, ensuring sustained responsiveness when workloads move beyond basic utility roles.
|
Scenario |
Expected Load Pattern | Why 900W Tier Fits |
| Mid-tier VM clusters | Multi-small workloads |
Higher concurrency stability |
|
Branch POP compute |
Mixed user/device load | Prevents voltage dip on spikes |
| Hybrid NAS/SAN | High storage churn |
Supports rebuild and parity events |
|
SD-WAN infrastructure |
Routing + monitoring | Ripple handling keeps links stable |
| Medium observability stack | Constant write throughput |
Sustains logging during peaks |
|
Distributed DC light-cores |
Shared edge workloads |
More growth headroom than 600W |
Power Architecture & Reliability Design
The G1116-0900WNA employs a power conversion path engineered to maintain stable voltage behavior during cache-heavy read/write patterns, synchronous virtual machine scaling, and moderate data traffic flows. Its electrical design is optimized for environments where load changes are frequent but not extreme, allowing predictable power delivery during database activity, logging services, and mixed compute workloads.
Ripple suppression and switching control are tuned to protect storage links and PCIe pathways when burst events occur, such as commit operations, cache flushes, or network rule rebalancing. This controlled electrical response helps reduce I/O jitter and preserves system responsiveness under overlapping storage and network activity, a common pattern in virtualized and distributed compute platforms.
Thermal mapping and component spacing reduce localized heat accumulation, enabling consistent performance in POP racks, branch deployments, and lightly cooled environments. PMBus access provides visibility into thermal slope behavior, fan response patterns, and real utilization distribution across uptime cycles, supporting proactive lifecycle planning rather than reactive servicing. As a result, the G1116-0900WNA is well suited for 24/7 infrastructure roles that require stable operation, moderate scaling headroom, and long-term reliability across distributed environments.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| VM clusters & orchestration |
Leave buffer for workload expansion |
|
Hybrid storage paths |
Balanced fans maintain thermal health |
| POP deployments |
Review telemetry semi-annually |
|
NAS replication windows |
Stable under parity rebuild |
| Routing & security loads |
Expect low EMI impact |
|
Sustained audit logging |
Low ripple supports long-term disks |
| Edge compute |
Efficient cooling recommended |
|
Scale planning |
Upgrade to 1200W for GPU needs |
FAQ
Q1. Where does this PSU fit best?
Mid-tier virtualization, caching servers, regional compute POPs.
Q2. Is continuous load reliable?
Yes — tuned for long uptime cycles with predictable thermal behavior.
Q3. Difference vs 600W?
More watt margin for VM count growth and heavier storage demand.
Q4. Redundancy ready?
Supports N+1 architecture and hot replacement planning.
Q5. Suitable for SD-WAN with logging?
Yes — ripple control aids network+storage workloads.
Q6. Good choice for observability stacks?
Handles heavy ingest with consistent power delivery.
Q7. Any airflow recommendations?
Maintain unrestricted intake to avoid thermal creep.
Q8. When is 1200W preferable?
When GPU assisted workloads or continuous high concurrency emerge.