G1182-1200WNA–1200W CRPS Power Supply for GPU Servers, Edge AI Clusters, and High-Density Compute Platforms
The G1182-1200WNA is a 1200W CRPS power supply optimized for GPU-accelerated servers, edge AI clusters, and dense computing platforms that require stable, high-efficiency power delivery. Its 1U CRPS-standard form factor (196.5x86x40 mm) supports compact and scalable rack design.This unit provides a 12V main output rated at 100A, along with a 12V standby output at 3A, ensuring uninterrupted power delivery for processors, accelerators, memory, and control modules. Its wide input range of 90–264Vac / 180–300Vdc ensures compatibility in global data deployments.Equipped with digital regulation and PMBus 1.2 support, the G1182-1200WNA enables advanced system integration, telemetry reporting, and remote power management. Platinum-tier efficiency helps minimize heat generation and reduces long-term operating overhead.Intelligent cooling control dynamically adjusts fan speed based on system load and thermal behavior, reducing noise while maintaining airflow. Optional reverse airflow flexibility allows installation in diverse rack orientations, including edge cabinets and IT infrastructure with constrained airflow paths.
Features
CRPS-196: 196.5x86x40mm (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): | 1200 |
| Length (mm): | 196.5 |
| Width (mm): | 86 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 100 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 1200 |
| Minimum Input Voltage (V): | 90 |
| Maximum Input Voltage (V): | 264 |
Model Selection Comparison Table
|
Model |
Power Tier | Load Behavior | PMBus | Form Factor | Recommended Use |
| G1182-0550WNA | Entry efficiency tier | Optimized for light/micro compute | Yes | CRPS |
Edge POP / gateways / caching |
| Balanced mid-tier | More burst and multi-service headroom | Yes | CRPS | Virtualization, mid workloads | |
| G1182-1200WNA | Performance range | Stable during continuous duty | Yes | CRPS |
Data POP / small clusters |
| High-density | For compute + I/O heavy nodes | Yes | CRPS |
HPC edge / inference |
Deployment Scenarios
Positioned as the performance tier within the G1182 family, G1182-1200WNA is built for environments that maintain steady utilization across long periods rather than occasional burst loads. It suits medium compute clusters, regional POP servers, virtualization stacks with moderate VM density, indexing/search platforms, and data-forward services that combine CPU, I/O, and caching simultaneously. Compared with 0750W, the 1200W tier provides sustained rail authority under hybrid workloads, ensuring throughput remains stable during heavy indexing, container scaling, or multi-node synchronization.
This model excels when organizations deploy edge infrastructure expected to grow, as it offers headroom for future expansion without upgrading power early in the product lifecycle. It also serves as a strong baseline for database services, analytics gateways, image processing modules, and NAS clusters where throughput consistency is more important than peak watt draw. In POPs that operate without on-site maintenance staff, the PSU’s reliability curve supports long-life operation without frequent replacement.
|
Scenario |
Workload Behavior | Why 1200W Fits |
| Mid-density clusters | Sustained CPU/I/O |
Rail strength for constant duty |
|
Virtualization hosts |
Multi-VM active | Good balance of power + efficiency |
| DB / indexing nodes | Rebuild + batch runs |
Low ripple under sustained load |
|
Analytics + caching |
Mixed compute paths | Handles compound service stress |
| Regional edge compute | Long runtime cycles |
Lifecycle durability over time |
|
NAS / storage cluster |
Repetitive sync / scrub |
Thermal stability for integrity |
Power Architecture & Reliability Design
The 1200W architecture focuses on continuous delivery stability, ensuring voltage discipline and low ripple when nodes operate at high sustained utilization. The conversion path uses tuned LLC resonance and synchronous rectification for minimized switching loss, especially in the 60–90% load window common in medium-density compute racks. Improved thermal channeling ensures capacitor longevity even when seasonal intake temperature fluctuates, preventing drift that typically appears late in lifecycle.
In cluster operation, the PSU maintains predictable current sharing behavior in N+1, reducing imbalance-related heat and improving long-term fan survival. PMBus telemetry gives engineering teams visibility into potential aging signals—fan duty trend, ripple movement, thermal gradient shift—allowing proactive maintenance before nodes become unstable. For organizations growing edge compute capacity over time, 1200W offers sustained reliability while postponing the need to transition into the 2000W tier.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Medium VM density |
Maintain reserve headroom for VM scheduling and migration; avoid sustained operation above ~80% of rated output. |
|
Mixed compute + IO |
Monitor compute/IO balance, since IO bursts can trigger short transient current peaks. |
| High core-count CPUs |
Keep margin for sustained all-core loads and turbo behavior under long duty cycles. |
|
Edge deployments |
Ensure clear intake and exhaust airflow in compact racks to avoid recirculation. |
| Continuous runtime |
Plan periodic dust inspection and fan health checks to prevent gradual airflow degradation. |
|
Storage-dense systems |
Track IO burst frequency and concurrency in NVMe-heavy configurations. |
| Branch installations |
Maintain stable grounding and consistent input power quality at branch sites. |
|
Future expansion |
1200W capacity supports moderate scaling while preserving redundancy margin. |
FAQ
Q1. Ideal deployment for G1182-1200WNA?
Medium compute clusters, DB workloads, analytics, virtualization stacks, storage or POP nodes with sustained utilization.
Q2. Advantage vs 0750W?
Stronger under continuous high-duty operation with improved thermal reserve.
Q3. PMBus telemetry?
Included—voltage, temperature, fan RPM, ripple, alerts, logging hooks.
Q4. 24/7 reliability?
Built for always-on environments where uptime is critical.
Q5. GPU support?
Suitable for light to moderate GPU acceleration depending on system design.
Q6. Redundancy recommendation?
N+1 pairing with identical model batch yields best current sharing.
Q7. Noise profile?
Expect gradual fan scaling under load, stable without oscillation.
Q8. Future expansion path?
If workloads evolve toward HPC or inference, G1182-2000WNA becomes the next tier.