G1136-0550WNA – 550W CRPS-Compliant Power Supply for Scalable IT Systems
The G1136-0550WNA is a high-efficiency 550W power supply unit designed for servers, storage arrays, and network equipment operating in compact, high-density environments. Its CRPS-standard 1U footprint (185 x 73.5 x 40 mm) allows for streamlined integration into modern rack-based architectures.
Delivering 12V at 45.83A along with a 12V standby output rated at 2.1A, this AC/DC PSU supports global deployment with its wide input voltage range (90–264V AC / 180–300V DC). Digital power management and full PMBus 1.2 compatibility provide detailed telemetry, proactive fault detection, and remote control features essential for today’s data-driven infrastructures.
Enhanced by active power factor correction, the G1136-0550WNA minimizes energy waste while maintaining electrical stability. Adaptive fan speed control ensures quiet, thermally efficient operation, and reverse airflow capability allows for airflow flexibility in dense or custom system layouts.
With certifications including UL, CE, FCC, CB, and CCC, this model adheres to international safety and electromagnetic compliance standards—making it a smart and dependable choice for enterprise OEMs and integrators.
Features
CRPS-185: 185×73.5x40mm(LxWxH)
Input: 90 to 264Vac,180-300VdC
Hot-plug
Full Digital control
Active Power Factor Correction
Intelligent-thermal Fan Control
N+N N+1 Redundant
Reverse Airflow Option
Applications
Server
Storage
Networking
HPC
AI Data Centers
Cloud Computing
Enterprise IT Systems
Medical Imaging Equipment
Approvals
UL/cUL
CB
TuV-Mark
CCC/CQC
FCC
CE
NOM
BIS
Specifications
|
Output Power (W): |
550 |
| Length (mm): |
185 |
|
Width (mm): |
73.5 |
|
Height (mm): |
40 |
| Mounting Type: |
Hot pluggable |
|
Minimum Output Current (A): |
0 |
|
Maximum Output Current (A): |
45.83 |
|
Output Voltage (V): |
12 |
|
Minimum Output Power (W): |
0 |
|
Maximum Output Power (W): |
550 |
|
Minimum Input Voltage (V): |
90 |
|
Maximum Input Voltage (V): |
264 |
Model Selection Comparison Table
|
Model |
Power Tier | Output Current Profile | PMBus | Form Factor | Recommended Use |
| G1136-0550WNA | Balanced mid-range tier | 12V stable output profile | Yes | CRPS-class |
General compute, hybrid workloads |
| Upper mid-load tier | 12V heavier operations | Yes | CRPS-class | Storage + light AI nodes | |
| G1136-1200WNA | Performance compute tier | 12V accelerated load handling | Yes | CRPS-class |
Dense compute trays |
| High stability performance tier | 12V intensive continuous draw | Yes | CRPS-class | High-concurrency logic boards | |
| G1136-1600WNA | Power-rich tier | 12V heavy cluster operations | Yes | CRPS-class |
Compute-heavy + expansion scaling |
Deployment Scenarios
The G1136-0550WNA serves as a balanced mid-range AC/DC power module for general deployment environments where reliability, continuous uptime and moderate compute density are key decision factors. With its steady 12V output behavior and support for multi-device hosting, it fits naturally into everyday server rooms, edge compute nodes, firmware development benches and application clusters that run long workloads without requiring high-watt overhead. This model also supports smooth scaling in dual-unit shelves or mixed-node racks without raising cooling pressure drastically, helping integrators maintain predictable operating envelopes over long-term service cycles.
|
Scenario |
What system demands | Why G1136-0550WNA fits |
| Micro and SMB server racks | Stable output for diverse workloads |
550W provides adequate power margin without excessive thermal cost |
|
Light virtualization clusters |
Continuous runtime with balanced CPU/RAM usage | Fits dual-host or multi-VM nodes without voltage fatigue |
| NAS + hybrid storage | Consistent load delivery during read/write cycles |
Rail stability protects storage controllers and disk spin-ups |
|
Multi-NIC networking nodes |
Predictable power under packet load | Handles transients during routing table shifts or traffic bursts |
| Application gateways | Long runtime with limited downtime |
Supports remote field installations with redundancy capability |
|
R&D and firmware labs |
Flexible power for mixed peripheral setups |
Sufficient headroom for expansion boards and I/O add-ons |
Power Architecture & Reliability Design
The G1136-0550WNA is designed around a dual-focus objective: maintain electrical stability under moderate sustained draw while providing sufficient responsiveness during transient compute and storage bursts. Its regulated 12V rail is optimized for dual-socket mid-tier servers, modular boxes and mixed I/O appliance rooms where power needs fluctuate but do not constantly push hardware to peak load thresholds. Component derating, switching topology tuning and EMI layout refinement help maintain voltage clarity through long operating hours, especially in deployments where interruptions are expensive and restart windows are limited. This balance allows integrators to scale workloads and peripheral density gradually without forcing an early migration to high-watt units.
- Independent switching stage improves power stability for CPU and peripheral combinations that operate with sporadic peak requests, reducing brownout risks during workload reshuffles or device enumeration spikes.
- Digital regulation logic enhances efficiency during partial load states (40–80% utilization), reducing thermal cycling impact and increasing overall PSU longevity in continuous-runtime deployments.
- Ripple suppression network maintains rail quality for memory controllers, SSD arrays and network IO, limiting interference-driven jitter or data retry overhead during sustained throughput windows.
- Thermal management profile prioritizes acoustic calm during low-moderate workloads yet scales airflow progressively under clustered task loads to manage heat without aggressive ramping.
- Component derating and capacitor selection are targeted for aging resistance, ensuring output consistency after extended service periods in warm rack environments.
- Fault containment pathways support redundant shelf deployment, allowing units to hot-swap or load share without service disruption when paired configurations are used.
- PMBus telemetry expands operational visibility, enabling fleet monitoring of voltage, thermal status and load behavior for predictive maintenance routines.
- Suitable for mid-class compute, hybrid storage rooms, scalable SMB deployments and development clusters that value balance over peak-power specialization.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Typical load 40–70% |
Best long-term efficiency/thermal ratio |
|
High-IO or storage write peaks |
Maintain airflow clearance to protect VRM temperature margin |
|
Redundant shelf deployment |
Use matched PSU models for balanced sharing |
| Mixed peripheral draw |
Keep transient-intensive devices on separate rails if possible |
|
Warm data-room environments |
Enable intelligent fan curve or ensure unobstructed exhaust |
| Virtualization nodes |
Monitor PMBus load telemetry to anticipate saturation |
|
Frequent plug cycles |
CRPS design tolerates swaps; plan maintenance windows |
| Extended compute runs |
Watch ripple margin during high SSD/IO usage events |
FAQ
Q1. Where does the 550W model sit within the G1136 lineup?
Mid-range balance offering stability for general compute and hybrid applications.
Q2. Is PMBus supported for monitoring?
Yes — suitable for telemetry, thermal tracking and runtime power visibility.
Q3. Can it run in multi-PSU shelves?
Yes — supports redundant CRPS shelf setups for uptime-critical environments.
Q4. Typical deployment scenario?
General compute racks, small virtualization layers, mixed NAS/IO platforms.
Q5. How does it compare to G1136-0800WNA?
0800W provides more burst margin for heavier IO demands or light inference cores.
Q6. Recommended configuration style?
Balanced node count with adequate airflow for steady fan curve operation.
Q7. Can it be field-swapped?
Yes — CRPS structure enables rapid replacement during maintenance windows.
Q8. Upgrade path direction?
Scaling workloads may migrate to 1200W/1300W/1600W models for denser compute layers.