G1236-2600WNA – 2600W CRPS Power Supply Designed for High-Capacity Server and Storage Solutions
The G1236-2600WNA power supply is built to meet the rigorous demands of server, storage, and networking systems. Its compact 1U CRPS-standard form factor (185 x 73.5 x 40 mm) enables efficient use of space in high-density environments.
Providing 12V output at 216.66A and 12V standby at 2.1A, this redundant AC/DC power supply supports a wide input voltage range of 90–264Vac / 180–300Vdc, making it adaptable for use worldwide.
Equipped with digital control and a PMBus 1.2 interface, it offers comprehensive real-time monitoring and remote management capabilities. Active Power Factor Correction (PFC) promotes energy efficiency and ensures stable power performance.
Intelligent fan control enhances cooling effectiveness while reducing noise levels. The reverse airflow option adds flexibility for various system configurations.
Certified under UL, CE, FCC, CB, and CCC standards, the G1236-2600WNA guarantees compliance with global 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): | 2600 |
| Length (mm): | 185 |
| Width (mm): | 73.5 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 216.66 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 2600 |
| 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 G1236-2600WNA is built for compute-dense platforms where each node runs very close to its power budget. Its 12V rail and CRPS-185 form factor let integrators push AI and HPC density while keeping redundancy and hot-swap serviceability.
|
Scenario |
What system demands | Why G1236-2600WNA fits |
| AI Training / GPU Servers | Multi-GPU nodes with frequent load spikes |
2600W 12V rail sustains burst current without nuisance trips or clock throttling |
|
HPC Compute Racks |
Mixed CPU, accelerator and NVMe traffic | Extra current margin keeps backplanes stable during concurrent compute + I/O surges |
| NAS / Storage Clusters | 24/7 uptime with tight thermal limits |
High-watt Titanium design improves efficiency even when running near 90–95% loading |
|
Edge / Micro Data Centers |
Short-depth chassis with limited PSU slots | High-amp CRPS-185 footprint enables dense 1U/2U layouts with fewer PSUs per rack |
| Telecom / 5G Rooms | Wide input range, varying mains quality |
90–264Vac window and robust protection help maintain uptime under grid fluctuations |
|
CDN / Cloud POP Nodes |
High-density, multi-tenant compute |
Fast transient response and low-ripple 12V maintain stability during VM churn events |
Power Architecture & Reliability Design
Designed for extreme-density accelerator nodes, the G1236-2600WNA pushes the shared 12V rail close to rack limits while maintaining CRPS-185 compatibility and robust thermal margins.
- Reinforced primary power stage raises FET and transformer headroom for sustained 2600W draw without overstressing magnetics.
- High-current 12V bus design keeps voltage sag under control when multiple GPUs ramp simultaneously within a few milliseconds.
- Low-ripple 12V regulation helps CPUs and GPUs maintain clock stability during heavy burst workloads and rapid job changes.
- Fast transient suppression network shortens recovery time after large load steps typical of AI training and inference batches.
- Optimized thermal spreading layout redistributes hotspots away from electrolytics and connectors to extend component lifetime.
- Adaptive fan-curve logic favors low RPM at moderate load but ramps aggressively once intake temperature approaches 35–40°C.
- Comprehensive protection set (OVP/OCP/OTP/SCP) isolates faults so adjacent nodes and upstream PDUs stay online.
- PMBus 1.2 telemetry exposes real-time current, temperature and fault flags, allowing rack controllers to tune derating and alarms.
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 plus balanced airflow |
|
Redundancy Mode |
N+1 / N+N supported with hot-swap replacement |
| Fan Speed Strategy |
Allow short GPU peak bursts at higher RPM; keep sustained operation below max duty |
|
Per-node Power Budget |
Suitable for servers approaching or exceeding 2600W total PSU consumption |
| Recommended Chassis |
Prefer 1U/2U high-density racks with front-to-back ventilation |
|
Monitoring Advice |
Enable PMBus logging to track temp/current trends and pre-empt derating events |
FAQ
Q1 — Does G1236-2600WNA support redundant operation?
Yes — fully compatible with N+1 / N+N redundancy and CRPS hot-swap shelves.
Q2 — Can this PSU be customized for OEM hardware?
Fan direction, pinout, firmware behavior and PMBus telemetry profile can all be customized for specific platforms.
Q3 — What certifications does it meet?
UL, CE, FCC, NOM, CCC and BIS — suitable for global deployment in data centers and telecom environments.
Q4 — Recommended workload type?
High-density multi-GPU and accelerator nodes, large AI inference clusters, heavy HPC racks and storage-rich compute sleds that run near rack power limits.
Q5 — Why would I choose the 2600W variant over 2200W?
It provides additional 12V headroom for nodes that regularly sit near or above 2.2kW, reducing the chance of power ceiling throttling as accelerators and NVMe storage are added.
Q6 — Is G1236-2600WNA suitable for multi-PSU parallel use?
Yes — with proper current-sharing design and adherence to CRPS guidelines, it integrates cleanly into redundant shelves and multi-PSU backplanes.
Q7 — What input conditions should I avoid?
Sustained overvoltage or undervoltage near the edge of the 90–264Vac range, especially when running close to 2600W, may force derating — keep within spec for long-term reliability.
Q8 — Any tips for better thermal and acoustic behavior at 2600W?
Ensure cold-aisle intake is unobstructed, avoid recirculating exhaust air and keep cable bundles away from the fan path so the fan curve can stay at lower RPM for most real workloads.