G1631-1300WNA – 1300W CRPS Power Supply for High-Compute Servers, AI Workloads, and Advanced Network Platforms

The G1631-1300WNA is a 1300W CRPS power supply developed for high-compute servers, AI-driven workloads, and advanced network platforms requiring stable and efficient power delivery. Its 1U CRPS-standard form factor (185 × 73.5 × 40 mm) supports dense rack architectures and modular hardware designs. This module delivers a regulated 12V output rated at 108.3A, along with a 12V standby output at 2.1A to support system controllers, management processors, and auxiliary circuits. Its universal input range of 90–264Vac / 180–300Vdc enables deployment across global data facilities and telecom environments. Equipped with digital control and PMBus 1.2 functionality, the G1631-1300WNA provides real-time telemetry, power supervision, and remote configurability for modern automated infrastructure. Its efficient operation contributes to reduced thermal load and improved long-term system reliability. The integrated intelligent cooling system adjusts fan speed according to thermal conditions, delivering effective airflow while keeping acoustic output low. Optional reverse-airflow support accommodates various chassis orientations, making it suitable for both front-to-back and back-to-front cooling designs.

Features

CRPS-185: 185×73.5x40mm (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

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): 1300
Length (mm): 185
Width (mm): 73.5
Height (mm): 40
Mounting Type: Hot pluggable
Minimum Output Current (A): 0
Maximum Output Current (A): 108.3
Output Voltage (V): 12
Minimum Output Power (W): 0
Maximum Output Power (W): 1300
Minimum Input Voltage (V): 90
Maximum Input Voltage (V): 264

Model Selection Comparison Table

Model

Power Tier Load Behavior PMBus Form Factor Recommended Use
G1631-1300WNA Mid-performance Sustained compute w/ burst margin Yes CRPS

POP clusters / DB / analytics

G1631-1600WNA

High tier For heavier inference & I/O Yes CRPS

HPC edge / dense scaling

Deployment Scenarios

As the performance-balanced tier in the G1631 family, G1631-1300WNA is designed for compute clusters, virtualization stacks, high-connection POP nodes, micro-AI processing environments, and mixed storage workloads where utilization sits at moderate-to-high levels for extended periods. The 1300W tier provides sufficient rail strength for multi-tenant VM loads, database indexing cycles, distributed caching, and mid-level inference or analytics tasks, while optimizing efficiency during partial and sustained duty ranges.

 

This model is frequently deployed in regional edge cloud infrastructure, SMB data pools, container clusters, remote business compute nodes, and scalable service fabrics where uptime stability and thermal reliability matter. G1631-1300WNA offers a deployment sweet spot for teams scaling gradually — enough capacity for flexible service growth without committing directly to the 1600W upper class.

 

Scenario

Load Type Why 1300W Fits
Multi-VM compute nodes Mid duty sustained

Balanced rail + growth room

POP/Edge workloads

High concurrency Ripple stability under routing
Analytics + caching Mixed CPU/I/O

Sustained efficiency

Small inference nodes

Light GPU tasks Burst and steady headroom
DB/indexing clusters Long rebuild windows

Maintains duty control

Scalable infra

On-demand expansion

Avoids premature PSU change

 

Power Architecture & Reliability Design

The 1300W stage balances efficiency stability with sustained power capability, targeting real-world multi-service deployments where compute threads, storage access, and routing activity occur simultaneously. The power path is optimized to operate efficiently within the 50–85% utilization range typical of mid-density virtualization and mixed-service clusters, maintaining tight ripple discipline even during indexing or caching peaks. Thermal zoning ensures consistent airflow across critical components, reducing hotspot formation and slowing capacitor fatigue over extended operational cycles.

 

Low ripple propagation and controlled switching behavior preserve signal integrity during concurrent I/O and compute workloads, supporting database operations, metadata handling, and background analytics without voltage disturbance. Thermal flow management extends component service life by keeping capacitor and power-stage stress predictable, even in environments with long duty cycles and limited cooling headroom. These characteristics allow the platform to remain stable under burst-heavy activity while sustaining continuous operation across daily and seasonal load variations.

 

PMBus telemetry provides visibility into long-term lifecycle indicators such as fan duty curve migration, temperature delta progression, and ripple amplitude drift, enabling early detection of component aging. In N+1 redundancy configurations, predictable current sharing avoids skewed loading that accelerates wear on individual units, supporting consistent behavior across power pools. Positioned between mainstream and high-intensity tiers, the G1631-1300WNA offers a dependable foundation for growing deployments where uptime is critical, before stepping into 1600W-class power envelopes.

Power Operating Notes

Reference Condition

Suggested Guidance
Mid-load virtualization

Maintain clean front-to-back airflow

POP compute farms

Monthly PMBus telemetry review
DB/analytics operations

Keep intake <35°C for ripple margin

N+1 deployment

Use matched-series pair for share balance
Caching + rebuild cycles

Track thermal slope on long duty

Remote POP sites

Dust filter improves longevity
70%+ continuous duty

Fan RPM slope indicates wear trend

Scaling plan

Move to 1600W only if service expands heavily

FAQ

Q1. Best use cases for G1631-1300WNA?
POP edge compute, multi-VM hosts, DB/index workloads, caching clusters, small inference workloads, distributed analytics.

 

Q2. Difference vs 1600W?
1300W is more efficient for mid-duty while retaining flexibility; 1600W suits heavier inference/storage density.

 

Q3. PMBus supported?
Yes — full telemetry: voltage, temperature, RPM, ripple, alarms.

 

Q4. Suitable for 24/7?
Designed for continuous rack duty with multi-year operating expectation.

 

Q5. GPU applicability?
Supports light-to-medium inference tasks depending on design.

 

Q6. Scaling recommendation?
Upgrade to 1600W only when clusters approach higher parallel load.

 

Q7. Maintenance planning?
Watch PMBus RPM rise or ripple shift as replacement indicators.

 

Q8. Deployment density?
Thermally efficient for medium node density per rack footprint.

 

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