G1236-3000WNA – 3000W CRPS Power Supply Engineered for Robust Server and Storage Performance
The G1236-3000WNA power supply is designed for demanding server, storage, and networking applications. Its compact 1U CRPS-standard form factor (185 x 73.5 x 40 mm) allows seamless integration into high-density system environments.
This redundant AC/DC power supply delivers a powerful 12V output at 250A, along with 12V standby at 2.1A, ensuring reliable performance under heavy workloads. It supports a wide input voltage range of 90–264Vac / 180–300Vdc, suitable for diverse global power infrastructures.
Featuring digital control and a PMBus 1.2 interface, the unit offers real-time monitoring and remote management capabilities. Active Power Factor Correction (PFC) enhances energy efficiency and maintains stable operation.
The intelligent fan control system optimizes cooling efficiency while minimizing noise levels. A reverse airflow option enables flexible installation and system customization.
Certified to UL, CE, FCC, CB, and CCC standards, the G1236-3000WNA complies with international safety and electromagnetic compatibility (EMC) requirements.
Features
CRPS-185: 185×73.5x40mm(LxWxH)
CRPS-265: 265×73.5x40mm(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
Edge Computing
Telecom
AI Training
Industrial Automation
Approvals
UL/cUL
CB
TuV-Mark
CCC/CQC
FCC
CE
NOM
BIS
Specifications
| Output Power (W): | 3000 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 250 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 3000 |
| Minimum Input Voltage (V): | 90 |
| Maximum Input Voltage (V): | 264 |
Model Selection Comparison Table
|
Model |
Power | Output Current | PMBus | Form Factor | Recommended Use |
| G1236-2000WNA | 2000W | High-current 12V | Yes | CRPS-185 |
HPC / AI dense compute nodes & general high-performance servers |
| 2200W | 12V with more headroom | Yes | CRPS-185 | GPU-heavy & hybrid AI-storage nodes needing extra margin | |
| G1236-2400WNA | 2400W | 12V high-amp | Yes | CRPS-185 |
For multi-GPU high-draw blade nodes |
| 2600W | 12V very-high amp | Yes | CRPS-185 | Performance-optimized compute racks | |
| G1236-3000WNA | 3000W | Extreme high-amp | Yes | CRPS-185 |
Custom ultra-dense platforms only |
Deployment Scenarios
The G1236-3000WNA sits at the top of the G1236 series and is engineered for extremely power-dense compute nodes where every watt matters. 3000W continuous output gives system designers enough headroom to run multi-GPU platforms without throttling risk, especially in high-TDP accelerator clusters. Environments using this model often aim to consolidate compute density, reduce PSU count per rack, or support upcoming GPU generations exceeding 700W each.
|
Scenario |
What system demands | Why G1236-3000WNA fits |
| AI Supercomputing Nodes | Multi-GPU configurations with extreme power draw |
3000W capacity handles simultaneous load surges without rail collapse |
|
Large-Scale HPC Training Rooms |
High duty cycle, long scheduling windows | Extra overhead maintains clock stability even under continuous >90% use |
| Advanced GPU Generations (700–800W class) | Higher transient currents during tensor ramp |
Large 12V rail prevents OCP throttle during synchronized GPU load |
|
Dense 2U/4U Inference Blades |
Limited PSU slot count | One PSU replaces multiple lower-power units, reducing cabling & PDU load |
| Telecom-Core & Hyperscale Racks | Uptime and redundancy as priority |
CRPS-185 hot-swap & N+1/N+N ready for mission-critical deployments |
|
Edge AI Clusters |
Compact rack space, energy-optimized |
Highest PSU rating in the series enables fewer PSUs per enclosure |
Power Architecture & Reliability Design
In environments where AI accelerators are pushed close to thermal design limits, the PSU becomes a deciding factor for stability rather than a background component. The G1236-3000WNA inherits the electrical foundation of the lower-watt models while reinforcing silicon rating, thermal routing and transient absorption windows. The result is a power stage capable of operating near ceiling without premature derating, even with modern GPU platforms that swing load sharply within milliseconds.
- High-capacity 12V rail backbone engineered for 3000W draw without voltage sag during mass-GPU synchronization
- Reinforced transformer and FET stage rated beyond series lower models for long-term thermal headroom
- Low-ripple DC regulation tuning keeps GPU boost frequency stable during inference load oscillations
- Transient response window widened to absorb millisecond-scale 700–900W GPU step changes
- Enhanced airflow ducting layout reduces hot-spot accumulation near inductors under full load
- High-efficiency PFC with Titanium intent minimizing heat waste in 24/7 supercomputing rooms
- Adaptve fan curve for thermal ceiling control with aggressive ramp only above 36–40°C intake
- PMBus telemetry granularity enhanced enabling rack-level pre-failure diagnostics & power profiling
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Continuous Operating Load |
70–90% recommended for best lifecycle |
|
Typical DC Temperature |
18–38°C cold-aisle rack airflow recommended |
| Hot-Aisle Pressure |
Ensure open exhaust path + balanced airflow |
|
Redundancy Mode |
N+1 / N+N supported with hot-swap replacement |
| Fan Speed Strategy |
Prioritize controlled ramping; high-RPM only under intensive GPU blocks |
|
Recommended Chassis |
Best paired with deep 2U/4U enclosures or liquid-enhanced cooling lanes |
| Peak Load Behavior |
Designed to sustain high draw closer to PSU rating without early derating |
|
Monitoring Advice |
PMBus recommended to log rail current vs thermal delta during week-long training runs |
FAQ
Q1 — Does the G1236-3000WNA support redundant operation?
Yes. Fully supports N+1 / N+N redundancy with hot-swap replacement.
Q2 — Can this PSU be customized for OEM hardware?
Yes — fan direction, bracket, pinout, firmware & PMBus telemetry can be customized.
Q3 — Which compliance certifications does it meet?
UL / CE / FCC / NOM / CCC / BIS — suitable for global deployment.
Q4 — Recommended workload type?
High-density compute, GPU AI clusters, HPC, NAS storage arrays, telecom-core racks.
Q5 — Does the G1236-3000WNA support PMBus telemetry?
Yes — real-time voltage/current/thermal status for predictive maintenance routines.
Q6 — Input voltage flexibility in deployment regions?
Supports 200–240Vac for full 3000W capacity; stable UPS advised in unstable grid areas.
Q7 — Best infrastructure pairing for efficiency?
Ideal for large inference farms or supercomputing nodes needing near-ceiling power.
Q8 — Fan configuration options?
Normal or reverse airflow available to match server cold-aisle direction.