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G1251-0550WNA

G1251

INQUIRY READY

G1251-0550WNA

Gospower / AC/DC Platinum / G1251

G1251-0550WNA focuses on Enterprise Servers and Dense Data Platforms, where a design centered on 550W capacity supports clear headroom for sustained real-world workloads.

Output Power (W):
550
Length (mm):
185
Width (mm):
73.5
Height (mm):
40
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PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The G1251-0550WNA is intended for compact but more demanding IT platforms that need higher 12V output capability, stable operation, and reliable serviceability. Its 550W power level makes it well suited for dense storage nodes, enterprise compute platforms, communication equipment, and multi-function systems with heavier subsystem demand. Backplane pinout, control signaling, and mechanical retention should be checked together before the unit is approved for production use. Installation planning should account for ambient temperature, pressure drop, service access, and the electrical limits of the surrounding platform. System validation should cover standby behavior, load transitions, protection recovery, and monitoring compatibility under expected operating conditions. Allow practical headroom for startup demand and transient loads, while keeping intake and exhaust paths clear throughout continuous operation. Keep the commissioning results with the system record to simplify troubleshooting, replacement, and periodic inspection.

Before integrating the G1251-0550WNA, confirm the mating connector or backplane, input source, output-rail requirements, hot-swap sequence, airflow direction, monitoring interface, redundancy behavior, and service clearance against the target platform.

CORE ADVANTAGES

550W CRPS Power Supply for Enterprise Servers and Dense Data Platforms

550W Power for Higher System Demand The G1251-0550WNA is built for server, storage, and communication platforms that require stronger power support than entry-level CRPS models while still keeping a compact 1U footprint.

01

550W Power for Higher System Demand The G1251-0550WNA is built for server, storage, and communication platforms that require stronger power support than entry-level CRPS models while still keeping a compact 1U footprint.

02

Compact CRPS-185 Mechanical Format With a size of 185 × 73.5 × 40 mm, this model is suitable for space-efficient 1U chassis designs where serviceability, airflow planning, and integration flexibility are important.

03

Wide AC and DC Input Compatibility It supports 90–264Vac AC input and 180–300Vdc DC input, allowing deployment across global power environments, telecom cabinets, rack systems, and distributed infrastructure installations.

04

Strong 12V Output Capability The unit provides a 12V main output at 45.83A together with a 12V standby output at 2.1A, making it suitable for processors, storage backplanes, network modules, system fans, and control circuits.

05

Digital Monitoring and Power Management With PMBus 1.2 support, the G1251-0550WNA enables status monitoring, operating visibility, and fault reporting for platforms that require smarter system-level power supervision.

06

Prepared for Reliable Long-Term Operation Active PFC, adaptive fan regulation, optional reverse airflow, and support for UL, CE, FCC, CB, and CCC certifications help this model meet the needs of modern enterprise and high-availability deployments.

MODEL SELECTION

Compare Gospower power options.

Review nearby Gospower models and select the power level, output architecture, efficiency grade, and form factor that best match the target system.

Model Power Output Current Efficiency Form Factor Best-Fit Application
G1251-0150WNA 150W 12V Platinum CRPS Embedded servers and low-power edge nodes
G1251-0250WNA 250W 12V Platinum CRPS Network appliances and compact storage systems
G1251-0350WNA 350W 12V Platinum CRPS SMB servers and NAS storage platforms
G1251-0460WNA 460W 12V Platinum CRPS 1U compute systems with mixed I/O loads
G1251-0550WNA 550W 12V Platinum CRPS Dense storage and multi-device 12V platforms

DEPLOYMENT SCENARIOS

Where G1251-0550WNA fits best.

The G1251-0550WNA is intended for compact but more demanding IT platforms that need higher 12V output capability, stable operation, and reliable serviceability. Its 550W power level makes it well suited for dense storage nodes, enterprise compute platforms, communication equipment, and multi-function systems with heavier subsystem demand.

Scenario System Requirement Why G1251-0550WNA Fits
Enterprise Servers Stable power for processors, memory, drives, and cooling systems 550W capacity provides stronger headroom for business-critical server workloads
Dense Storage Nodes Reliable output for controllers, backplanes, and multi-drive architectures High 12V current supports storage-heavy system configurations
Communication Systems Continuous uptime for network and telecom infrastructure Wide input support and stable output suit long-hour infrastructure operation
Virtualization Hosts Balanced power for compact multi-service platforms Supports compute, storage, and I/O functions in one efficient CRPS module
Security Appliances Dependable operation for firewall, UTM, and traffic inspection hardware Stable 12V delivery supports mixed-load network security environments
Industrial Edge Racks Serviceable and monitored power for distributed system cabinets CRPS format and PMBus monitoring help simplify field deployment and maintenance

POWER DESIGN

Reliability notes for continuous operation.

The G1251-0550WNA is designed for platforms that require higher system power density without moving to oversized PSU solutions. It offers a stronger 12V output profile for enterprise and infrastructure hardware while maintaining the compact CRPS-185 mechanical standard for efficient integration.

  • 550W output capacity supports enterprise servers, dense storage systems, communication equipment, and mixed-function data platforms.
  • 12V main output at 45.83A provides dependable power for processors, controller boards, storage devices, cooling fans, and add-on modules.
  • Active PFC helps improve input power quality and supports efficient operation across different AC input environments.
  • Wide AC/DC input support allows use in data center racks, telecom cabinets, and infrastructure systems with varied power sources.
  • PMBus 1.2 communication provides visibility into voltage, current, operating condition, and fault status in supported systems.
  • Adaptive fan control helps manage temperature and acoustic behavior under changing workload conditions.
  • Optional reverse airflow gives system designers more flexibility when matching PSU cooling direction with chassis airflow architecture.
  • Protection features such as OVP, OCP, OTP, and SCP help protect both the power unit and connected hardware during abnormal electrical or thermal events.

INSTALLATION

Installation and operating guidance.

Confirm electrical compatibility, thermal clearance, mechanical fit, redundancy requirements, and system load before integration.

Installation / Operation Item Guidance
Load Planning Evaluate the full system load from CPU, memory, storage, fans, and I/O modules before final deployment
Chassis Fitment Confirm the 185 × 73.5 × 40 mm CRPS-185 size before system integration
Input Connection Use within the supported 90–264Vac or 180–300Vdc input range
Airflow Direction Select standard or reverse airflow based on the chassis cooling layout
Thermal Clearance Keep the PSU inlet and exhaust path unobstructed to maintain proper airflow
Redundant Configuration Verify system backplane and power architecture when using redundant-ready or hot-swap designs
Monitoring Setup Use PMBus 1.2 where supported for status monitoring, diagnostics, and maintenance planning
Routine Maintenance Inspect connector seating, fan condition, dust buildup, and airflow path during regular service intervals

FAQ

Frequently asked questions about G1251-0550WNA.

Key answers for specification matching, installation planning, and system integration.

What type of power supply is the G1251-0550WNA?

The G1251-0550WNA is a 550W CRPS power supply designed for enterprise servers, storage nodes, communication systems, and other compact high-demand platforms.

What is the size of this model?

This model uses the CRPS-185 form factor with a size of 185 × 73.5 × 40 mm, making it suitable for compact 1U system integration.

What input voltage range does it support?

The G1251-0550WNA supports 90–264Vac AC input and 180–300Vdc DC input for deployment across different power environments.

What output does the G1251-0550WNA provide?

It provides a 12V main output at 45.83A and a 12V standby output at 2.1A for system operation, standby functions, and platform management.

Is this model suitable for enterprise servers and storage platforms?

Yes. Its 550W capacity and strong 12V output make it suitable for business-critical servers, dense storage nodes, and multi-drive data platforms.

Does the G1251-0550WNA support PMBus monitoring?

Yes. The unit supports PMBus 1.2, allowing compatible systems to monitor operating status, power conditions, and fault information.

Can it support hot-swap and reverse airflow options?

Yes. The G1251-0550WNA is suitable for hot-swap system architecture, and a reverse airflow option is available for applications with specific cooling direction requirements.

What certifications can this model support?

The G1251-0550WNA can support UL, CE, FCC, CB, and CCC certifications for safety and EMC compliance in global IT and infrastructure deployments.

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