G1231-0250WNA – 250W 1U Power Distribution Board for Enterprise Servers, Mid-tier Storage Systems, and High-Density Networking
The G1231-0250WNA is a robust 1U power distribution board designed for servers, storage devices, networking gear, and high-performance computing (HPC) applications. It features a compact 1U chassis measuring 226 x 156 x 41.5 mm and supports a 1+1 redundant configuration to ensure maximum system availability.
This PDB provides multiple outputs including +12V at 20.83A, +5V at 15A, +3.3V at 8A, -12V at 0.5A, and +5V standby at 3A, catering to diverse power needs. It supports a wide AC/DC input voltage range of 90–264Vac and 180–300Vdc for global compatibility.
With integrated digital control and a PMBus 1.2 interface, it enables intelligent power monitoring and seamless system integration. Platinum or Titanium-level efficiency combined with active power factor correction (PFC) guarantees reliable and energy-efficient operation.
The board supports hot-swap capability, allowing easy replacement without disrupting system uptime. Intelligent fan control and a reverse airflow option further enhance thermal management in high-density environments.
Certified to UL, CE, FCC, CB, CCC, and other international safety and EMC standards, the G1231-0250WNA ensures dependable, compliant performance for mission-critical applications.
Features
1U Dimension: 226x156x41.5mm(LxWxH)
Input: 90 to 264Vac,180-300Vdc
Hot-plug
Full Digital control
Efficiency: Platinum/Titanium
Active Power Factor Correction
Reverse Airflow Option
Intelligent-thermal Fan Control
1+1 1U Redundant
Applications
Server
Storage
Networking
HPC
Data Centers
Rendering Farms
Medical Equipment
Telecom Infrastructure
Approvals
UL/cUL
CB
TuV-Mark
CCC/CQC
FCC
CE
NOM
BIS
Specifications
| Output Power (W): | 250 |
| Length (mm): | 226 |
| Width (mm): | 156 |
| Height (mm): | 41.5 |
| Mounting Type: | Hot pluggable |
| Output Current (V): | +12V/20.83A,+5V/15A,+3.3V/8A, -12V/0.5A,+5Vsb/3A |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 250 |
| Minimum Input Voltage (V): | 90 |
| Maximum Input Voltage (V): | 264 |
Model Selection Comparison Table
| Model | Power Class | Use Role | Input | Form Factor | Recommended Use |
| G1231-0150WNA | Entry | Low-power micro-server & control PDB | AC/DC | 1+1 PDB | Light compute, gateways, telemetry nodes |
| G1231-0250WNA | Mid | Slightly higher demand | AC/DC | 1+1 PDB | Edge compute with minor concurrency |
| G1231-0350WNA | Upper-Mid | Storage-light VM | AC/DC | 1+1 PDB | Small VMs or micro-datacenter |
| G1231-0460WNA | High | Balanced I/O workloads | AC/DC | 1+1 PDB | Routing + container nodes |
| G1231-0550WNA | High+ | Heavier mixed loads | AC/DC | 1+1 PDB | Moderately scaled micro-hosting |
| G1231-0800WNA | Strong | Compute/storage combined | AC/DC | 1+1 PDB | Medium multipurpose deployments |
| G1231-1300WNA | Extreme | Dense compute edge | AC/DC | 1+1 PDB | Hybrid processing workloads |
| G1231-1600WNA | Peak | Multi-service environments | AC/DC | 1+1 PDB | Gateway clusters & scalable compute |
Deployment Scenarios
The G1231-0250WNA advances from the 150W baseline, delivering 250W continuous output for edge systems requiring additional power margin to support light virtualization, multi-service routing, or sensor aggregation with moderate processing tasks. It fits well in branch micro-datacenters, compact virtual machines, hybrid IoT controllers, encryption-enabled gateways and lightweight container workloads, while maintaining the efficiency and low-thermal profile expected from the G1231 platform. With expanded watt headroom, this model handles burst CPU events, increased device connectivity, caching spikes and moderate I/O throughput, making it a suitable step-up when deployments begin scaling beyond minimal control-plane usage.
|
Scenario |
Expected Load Pattern | Why 250W Tier Fits |
| Micro VM clusters | Moderate concurrency |
More buffer than 150W for scaling |
|
Branch routers/firewalls |
Burst encryption events | Stable under periodic CPU peaks |
| IoT gateway hubs | Device aggregation |
Handles multi-connection workloads |
|
Light SDS/NAS |
File sync and logs | Low-ripple behavior aids stability |
| Edge media handling | Small transcoding tasks |
Sustains power for short bursts |
|
POP telemetry |
Constant runtime |
Efficiency supports 24/7 uptime |
Power Architecture & Reliability Design
The G1231-0250WNA utilizes an optimized power distribution topology designed for edge compute environments with moderate concurrency requirements. It delivers smoother transient response during CPU burst operations while maintaining low ripple characteristics under continuous microservice and control-plane workloads, supporting predictable performance in decentralized computing scenarios.
Electrical regulation minimizes interference affecting networking ASICs, embedded controllers, and I/O subsystems, ensuring stable behavior during mixed compute and communication activity. The board layout promotes balanced thermal distribution, allowing the unit to operate efficiently without aggressive fan curves, which is particularly beneficial in space-limited chassis and low-noise edge deployments.
PMBus support enables visibility into voltage trends, thermal evolution, and load behavior across distributed endpoints, supporting preventive maintenance and fleet-level lifecycle planning. Positioned above the 150W class, the G1231-0250WNA provides additional headroom for small virtual machines, hybrid gateway tasks, and scalable IoT edge nodes that require reliable long-duration operation with controlled power behavior.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Hybrid gateway role |
Maintain airflow for sustained stability |
|
Micro VM hosting |
Reserve margin for scale-out events |
| IoT aggregation |
Grounding improves sensor behavior |
|
NAS-lite workloads |
Ripple stability protects data flow |
| POP endpoints |
Log telemetry periodically |
|
Mixed routing tasks |
Thermal headroom supports bursts |
| Edge deployment |
Dust maintenance extends lifespan |
|
Moderate scaling |
Upgrade to 350W for heavier loads |
FAQ
Q1. Ideal use case for 0250W?
Micro-VM clusters, IoT gateways, branch compute nodes.
Q2. Can it operate continuously?
Yes — designed for always-on operation in low-mid power roles.
Q3. Difference from 0150W?
250W provides stronger burst tolerance and scaling room.
Q4. Redundancy capable?
Compatible with 1+1 failover boards for uninterrupted service.
Q5. Suitable for light NAS/SDS tasks?
Yes — ripple profile protects data integrity.
Q6. Ready for VPN/firewall appliances?
Performs well under encryption spikes.
Q7. Deployment considerations?
Maintain ventilation to reduce thermal creep.
Q8. When to choose 350W?
When VM count or service density increases beyond micro-load.