G1182-2000WNA–2000W CRPS Power Supply for High-Performance AI Systems, Dense Compute Racks, and Cloud Workloads
The G1182-2000WNA is a 2000W CRPS power supply designed for high-performance AI systems, dense compute racks, and cloud workload platforms requiring robust and efficient power delivery. Its 1U CRPS-standard footprint (196.5 × 86 × 40 mm) enables seamless integration into compact server architectures. This module provides a stable 12V main output rated at 166.6A, complemented by a 12V standby rail at 2.1A for management controllers and auxiliary subsystems. With a universal input range of 90–264Vac / 180–300Vdc, it supports deployment across global data center and edge environments. Digital power regulation with PMBus 1.2 ensures detailed telemetry, remote configuration, and intelligent system-level power coordination. Its high operational efficiency contributes to improved thermal behavior and energy savings in high-density racks. The G1182-2000WNA features adaptive fan control for optimized cooling while maintaining low acoustic output. An optional reverse-airflow configuration makes it suitable for various rack orientations, enabling flexible installation in both traditional and inverted cooling 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): | 2000 |
| Length (mm): | 196.5 |
| Width (mm): | 86 |
| Height (mm): | 40 |
| Mounting Type: | Hot pluggable |
| Minimum Output Current (A): | 0 |
| Maximum Output Current (A): | 166.66 |
| Output Voltage (V): | 12 |
| Minimum Output Power (W): | 0 |
| Maximum Output Power (W): | 2000 |
| 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
As the top performance tier in the G1182 lineup, G1182-2000WNA is designed for nodes that operate under sustained high utilization, where CPU, storage, network, and inference tasks run concurrently with minimal idle periods. This model is commonly used in mid-to-large virtualization clusters, AI inference gateways, data streaming servers, distributed POP infrastructure, mixed compute-storage environments, and high-throughput indexing pipelines. Compared to the 1200W tier, 2000W provides substantial growth margin, enabling GPU-assisted tasks, heavier container density, and batch analytics loads without rail collapse.
This tier is a strong match when scaling is expected over time—offering the power ceiling necessary for multi-node orchestration, storage rebuild operations, or long-running DB workloads. In edge or POP locations where maintenance is limited, the unit maintains stability across long cycles, even with seasonal intake temperature fluctuation or 24/7 request traffic. The model is favored by teams wanting future-proof power without entering ultra-high-density PSU classifications prematurely.
|
Scenario |
Load Characteristic | Why 2000W Fits |
| Dense virtualization clusters | High sustained CPU load |
Maintains rail stability over time |
|
AI inference gateways |
GPU or ML tasks | Strong current reserve for burst + steady |
| POP compute + storage mix | Continuous traffic |
Low ripple at heavy utilization |
|
Analytics & streaming |
Long-duty workloads | Consistent thermal balance |
| DB/indexing clusters | Heavy rebuild cycles |
Ripple containment during scrub |
|
Expansion-focused infra |
Scale over years |
Avoids early PSU upgrade |
Power Architecture & Reliability Design
The 2000W topology extends the G1182 architecture into high-density power delivery, reducing conduction loss and maintaining ripple suppression even when systems operate near sustained load limits. Electrical stages utilize tuned switching resonance to retain conversion efficiency under 70–95% load—where real HPC and inference clusters spend most of their time. Parallel airflow channels help minimize turbulence and stabilize exhaust temperature during long-duration service sessions.
Under PMBus supervision, operators gain visibility into component aging trends such as fan duty curve drift, temperature delta widening across intake-to-coil path, or ripple amplitude shift over multi-quarter service. These metrics allow predictive replacement well before failure, ensuring uptime for environments where even minor outages impact SLA. In N+1 layouts, G1182-2000WNA distributes load evenly, reducing imbalance heat and extending cumulative lifecycle. For infrastructures deploying compute nodes in hundreds or thousands, 2000W ensures power headroom for next-phase growth with minimal rack redesign.
Power Operating Notes
|
Reference Condition |
Suggested Guidance |
| Medium VM density |
Maintain sufficient reserve headroom for VM scheduling and live migration events; avoid sustained operation near peak output. |
|
Mixed compute + IO |
Observe compute and IO load balance, as high-throughput IO can introduce short transient current surges. |
| High-power CPUs / accelerators |
Ensure adequate margin for sustained all-core CPU loads or accelerator ramp-up under heavy parallel workloads. |
|
Edge or remote deployments |
Verify unobstructed intake and exhaust airflow in compact racks or constrained enclosures. |
| Continuous high utilization |
Plan periodic dust inspection and fan health checks to maintain airflow stability during 24/7 operation. |
| Storage-dense platforms | Monitor IO burst concurrency in NVMe-heavy systems where parallel access can stack current events. |
|
Branch installations |
Maintain stable grounding and consistent input power quality in electrically less controlled environments. |
| Future expansion |
2000W capacity supports GPU, accelerator, or storage expansion while preserving redundancy margin. |
FAQ
Q1. Ideal use cases for G1182-2000WNA?
HPC edge compute, inference clusters, dense virtualization, POP analytics, data processing, high-throughput storage nodes.
Q2. How is it different from 1200W?
Greater sustained load handling + GPU margin + prolonged high-duty operation.
Q3. PMBus available?
Yes — supports telemetry for voltage, temperature, ripple, fan duty, alerts.
Q4. Suitable for 24/7 service?
Engineered specifically for continuous operation in performance racks.
Q5. GPU-supported workloads?
Capable of medium-heavy inference depending on system design.
Q6. Best redundancy mode?
N+1 recommended, use identical batch units for ideal balance.
Q7. Thermal & lifecycle guidance?
Monitor temp delta and fan curve shift to schedule proactive maintenance.
Q8. When to upgrade beyond this?
Only when entering multi-GPU or ultra-dense HPC territory exceeding 2000W requirement.