G1169-0750WNA – 750W CRPS Power Supply for Virtualization Servers, Edge Platforms, and Data Processing Systems
The G1169-0750WNA is a 750W CRPS power supply designed for virtualization servers, edge compute nodes, and data processing equipment that demand efficient and stable power delivery. Its 1U CRPS-standard footprint (195 × 80 × 40 mm) supports compact and modular system integration.This AC/DC unit delivers a main 12V output rated at 62.5A along with a 12V standby output at 3A, ensuring consistent power for CPUs, accelerators, storage controllers, and auxiliary circuits. A wide input range of 90–264Vac / 180–300Vdc enables deployment across global power grids.With digital power control and PMBus 1.2 support, the G1169-0750WNA allows for real-time status reporting, intelligent telemetry, and adaptive power optimization. Its Platinum-level performance and active PFC contribute to reduced energy waste and long-term operational efficiency.A smart variable-speed fan system provides responsive cooling while keeping acoustic noise low. Optional reverse airflow support allows flexible installation in various rack and chassis layouts, especially in high-density environments.
Features
CRPS-195: 195x80x40mm (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): | 750 |
| Length (mm): | 195 |
| Width (mm): | 80 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 62.5 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 750 |
| 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 |
| G1169-0550WNA | Efficient low-mid range | Stable 12V delivery for light nodes | Yes | CRPS |
Edge nodes / gateways |
| Mid-range balanced | More burst headroom | Yes | CRPS | Small hybrid compute | |
| G1169-1100WNA | High sustained | Denser CPU or storage | Yes | CRPS |
Mid-scale clusters |
| Peak high density | AI inference or core workloads | Yes | CRPS |
Dense compute fields |
Deployment Scenarios
Positioned above the 550W entry tier, G1169-0750WNA introduces additional headroom for workloads that experience moderate compute spikes, mixed service roles, or storage-assisted tasks where power draw is less static across the day. This model is often deployed in branch-cloud hybrid nodes, SMB virtualization hosts, tier-2 business servers, lightweight AI inferencing devices, small Kubernetes clusters, or compact NAS/backup nodes running continuous syncing.
Compared to 0550W, the 0750W tier offers noticeably smoother handling during burst-type CPU ramp events, multi-NIC throughput, NVMe caching acceleration, or container scaling, while still maintaining the energy-focused efficiency profile of the G1169 platform. It suits IT teams wanting a balance — not underpowered for moderate scaling, yet not oversized to waste idle power. In distributed POP environments, its thermal-to-power ratio contributes to longer MTBF in tight edge racks.
|
Scenario |
Workload Characteristic | Why 0750W Fits |
| SMB virtualization hosts | Multiple small VMs |
Smooth burst absorption vs 550W |
|
NAS + backup nodes |
Storage cache workloads | Handles write peaks responsively |
| AI inference (light) | Occasional GPU/CPU spike |
Stable rails under transient |
|
Edge compute POP |
Mixed services per node | Balanced power headroom |
| Branch cloud workloads | User/application hybrid |
Power margin prevents throttling |
|
Security/Video servers |
Moderate continuous load |
Thermal efficiency for 24/7 |
Power Architecture & Reliability Design
Sitting at the balanced point of the G1169 lineup, the 0750W architecture focuses on transient control and burst sustainability without compromising platform-wide efficiency. Its current path uses upgraded switching stages to maintain rail stability during turbo events, while still favoring partial-load efficiency for workloads that rarely hit sustained maximum draw. By reducing ripple propagation and maintaining low switching loss, seasonal thermal drift is controlled even in compact deployments.
The unit’s synchronous rectifier stage and LLC/active PFC topology scale efficiently across variable utilization, making it suitable for service stacks where workload diversity increases over time. PMBus tracking unlocks long-term predictive maintenance: fan-curve drift, capacitor aging indicators, intake temperature bias versus output ripple — small clues that often prevent unexpected downtime. In N+1 pools, the 0750W tier shares load responsively, helping extend operational cycles and maintain quieter acoustic envelopes under steady traffic.
This model is a reliable choice for teams planning incremental scaling or container expansion, as extra target power helps avoid early PSU replacement during growth.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
|
Mixed virtualization loads |
Leave airflow path unobstructed for load bursts |
| NAS / Backup operations |
Watch PMBus temperature during extended write cycles |
|
Edge micro-DC |
Maintain filters for dust-prone sites |
| N+1 redundancy |
Prefer same-series batch PSU pairing |
|
Continuous 24/7 |
RPM trends indicate fan health state |
| Kubernetes scaling |
Power budgeting avoids node restart under burst |
|
Light AI inference |
Keep ambient <35°C when rack dense |
|
Future expansion |
0750W often delays upgrade to 1100W |
FAQ
Q1. What is the ideal deployment for G1169-0750WNA?
Branch/SaaS servers, SMB virtualization, edge POP compute, NAS + caching nodes, and moderate inference workloads.
Q2. Key advantage over 0550W?
More dynamic power margin and better response to transient spikes.
Q3. PMBus support available?
Yes — including voltage, temperature, fan RPM, lifecycle telemetry and alarms.
Q4. 24/7 suitable?
Engineered for constant environments with long duty cycles.
Q5. Redundant configuration recommendation?
Use matched units for optimal current sharing in N+1 layout.
Q6. GPU friendly?
For lightweight inference or low-power GPU cards — stable, not over-watt.
Q7. Upgrade path?
If workloads grow further, consider stepping into 1100W.
Q8. Acoustic performance?
Fans maintain controlled speed at partial load, avoiding abrupt noise.