G1236-2400WNA – 2400W CRPS Power Supply Built for High-Density Server and Networking Systems
The G1236-2400WNA power supply is designed for demanding server, storage, and networking environments. Its compact 1U CRPS-standard form factor (185 x 73.5 x 40 mm) makes it perfect for space-constrained, high-density installations.
Delivering 12V at 200A and 12V standby at 2.1A, this redundant AC/DC power supply supports a broad input voltage range of 90–264Vac / 180–300Vdc, ensuring compatibility across global power grids.
Featuring advanced digital control and a PMBus 1.2 interface, the unit allows for real-time performance monitoring and remote system management. Active Power Factor Correction (PFC) guarantees efficient and stable power delivery.
With intelligent fan control, cooling is optimized to maintain system reliability while minimizing noise. The reverse airflow option offers versatile integration choices for various chassis designs.
Certified to meet UL, CE, FCC, CB, and CCC standards, the G1236-2400WNA complies with worldwide safety and electromagnetic compatibility (EMC) regulations.
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): | 2400 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 200 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 2400 |
| 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
G1236-2400WNA fits high-density compute infrastructure where 2400W headroom is required beyond 2000W/2200W class units. Typical deployments include GPU inference clusters, AI training blades, multi-GPU 2U servers, storage accelerators, high-duty cloud workloads and hybrid compute pools scaling beyond 600W-TDP class accelerator cards. Its Titanium-grade regulation and 12V high-amp rail allow stable transient absorption under rapid load shifts. Suitable for DC/AC mixed power rooms seeking higher margin without switching to 2600W or 3000W blocks unless peak load is extreme.
|
Scenario |
What system demands | Why G1236-2400WNA fits |
| AI Training / GPU Servers | Long-run high current + frequent burst spikes |
2400W headroom absorbs training peaks better than 2000W / 2200W units |
|
GPU Inference Clusters |
Many 300–600W GPUs sharing one PSU rail | High-amp 12V bus keeps cards stable under rapid load ramps |
| Multi-GPU 2U / 4U Servers | Dense PCIe layout + tight thermal envelope |
CRPS-185 form factor supports high-density chassis with Titanium efficiency |
|
Storage Accelerator Nodes |
NVMe / cache boards + AI offload cards | Extra margin avoids OCP trips when mixed IO + compute spike together |
| Cloud / Virtualization Pools | High duty cycle, 24/7 utilization + VM migration surges |
Stable regulation reduces voltage sag when nodes are hot-migrated under load |
|
DC / AC Mixed Power Rooms |
Sites staying below 2600W / 3000W blocks |
2400W rating gives comfortable safety margin without stepping up to larger PSUs |
Power Architecture & Reliability Design
Designed for high-draw GPU nodes expecting sustained >80% loading, the G1236-2400WNA pushes thermal headroom over 2000W/2200W versions while keeping footprint compatibility in CRPS-185. Power delivery stages are reinforced for transient absorption during large inference bursts and mixed training workloads.
- High-amp 12V rail topology supports multi-GPU concurrency without voltage sag
- Upgraded MOSFET & magnetic stack improves hotspot tolerance at 2400W peak draw
- Titanium-oriented PFC + LLC design increases full-load efficiency and reduces waste heat
- Low-ripple DC output stage stabilizes GPU/CPU clock during burst current swings
- Enhanced transient absorb window reduces brownout risk under 300-500W step loads
- Optimized thermal spreading layout protects capacitors during long-run operation
- Adaptive fan logic curve reduces RPM oscillation at partial load for lower noise
- Full OVP/OCP/OTP/SCP suite ensures protection and isolates fault propagation events
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Continuous Operating Load |
70–90% recommended for best lifecycle and thermal margin |
|
Typical DC Temperature |
18–35°C cold-aisle rack airflow recommended |
| Hot-Aisle Pressure |
Ensure open exhaust path with balanced hot / cold aisle airflow |
|
Redundancy Mode |
N+1 / N+N supported with hot-swap replacement |
| GPU Inference Bursts |
Tuned to stay stable under rapid 2400W load jumps |
|
Chassis Suggestion |
Prefer 1U/2U high-density racks with strong front-to-back ventilation |
| Peak Draw Margin |
2400W headroom provides extra buffer compared with 2000W-class deployments |
|
Thermal Monitoring |
Enable PMBus logging to track intake temperature and 12V current at sustained load |
FAQ
Q1 — Does the G1236-2400WNA 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 and 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 — Is the G1236-2400WNA suitable for sustained 2400W GPU and AI loads?
Yes — the 12V rail is tuned for continuous high-amp draw in multi-GPU or accelerator nodes where 2000W headroom is not enough.
Q6 — How does the 2400W rating affect input voltage and derating?
The PSU keeps full 2400W capability across 200–240Vac, with mild derating only at the lowest AC range; check your local mains to size branch circuits correctly.
Q7 — Recommended rack and node architecture for this model?
Well matched to 1U/2U multi-GPU blades, dense AI inference farms and performance-optimized compute racks that need more 12V current per node.
Q8 — Any special cooling or monitoring guidance for 2400W operation?
Use front-to-back rack airflow, avoid hot-aisle recirculation, and enable PMBus logging so intake temperature and 12V current can be tracked during peak load windows.