G1136-0800WNA – 800W High-Efficiency CRPS Power Supply for Advanced Data Infrastructure

Designed for next-gen computing environments, the G1136-0800WNA offers 800 watts of reliable power in a compact CRPS 1U enclosure (185 x 73.5 x 40 mm). It is engineered to meet the demands of enterprise servers, large-scale storage systems, and intensive networking applications where space, performance, and uptime are critical. Delivering 12V at 66.66A and a dedicated 12Vsb at 2.1A, this unit ensures consistent output under heavy loads. It supports a broad input range—90 to 264V AC and 180 to 300V DC—allowing it to function seamlessly in diverse international power environments. Equipped with advanced digital control and a PMBus 1.2 interface, the G1136-0800WNA enables real-time monitoring, configuration, and fault diagnostics, giving IT teams the tools to optimize system stability and reduce downtime. Active power factor correction maximizes conversion efficiency and minimizes harmonic distortion. Its thermal design includes intelligent fan speed regulation that adapts to varying system demands, resulting in lower noise levels and optimal cooling. For deployment flexibility, a reverse airflow configuration is also available.   Tested and certified to meet UL, CE, FCC, CB, and CCC safety and EMC standards, this power supply is a dependable choice for globally deployed IT systems requiring high availability and performance.

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):

800

Length (mm):

185

Width (mm):

73.5

Height (mm):

40

Mounting Type:

Hot pluggable

Minimum Output Current (A):

0

Maximum Output Current (A):

66.6

Output Voltage (V):

12

Minimum Output Power (W):

0

Maximum Output Power (W):

800

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

G1136-0550WNA

Balanced mid-range tier 12V stable output profile Yes CRPS-class

General compute, hybrid workloads

G1136-0800WNA

Upper mid-load tier 12V heavier operations Yes CRPS-class Storage + light AI nodes
G1136-1200WNA Performance compute tier 12V accelerated load handling Yes CRPS-class

Dense compute trays

G1136-1300WNA High stability performance tier 12V intensive continuous draw Yes CRPS-class High-concurrency logic boards
G1136-1600WNA Power-rich tier 12V heavy cluster operations Yes CRPS-class Compute-heavy + expansion scaling

Deployment Scenarios

G1136-0800WNA positions itself as the practical step-up option within the G1136 family for workloads demanding stronger headroom and higher current handling than 550W configurations. It maintains the same balanced AC/DC design logic but pushes into heavier virtualization density, multi-NIC nodes, and hybrid workloads that involve sustained computation, VM stacking, and storage throughput. This capacity level is often chosen when deployments expect scale-out growth or when device clusters introduce varying IO patterns that occasionally spike. Many integrators adopt 800W as a reliable default for mid-scale racks where resilience, stable ripple performance, and predictable derating behavior outweigh extreme peak wattage.

 

Scenario

System Demand Why G1136-0800WNA is Preferred
Medium virtualization clusters Higher VM stacking density

Stability during multi-tenant resource peaks

NAS + SSD + AI edge inference

Mixed compute + storage Handles IO bursts without voltage dip sensitivity
Multi-NIC routing server Frequent packet spikes

Well-managed transient response for routing tasks

Compact HPC nodes

Small-scale GPU inference Better dynamic current ceiling vs. 550W
Software-defined storage Write amplification tolerant

Ripple control benefits data reliability

Mid-scale IDC integrators

Growing deployments

Allows capacity expansion without PSU swap

Power Architecture & Reliability Design

The G1136-0800WNA follows the same reliability fundamentals of the G1136 platform but introduces a more generous power envelope and improved thermal-load balance for dynamic burst behavior. CPU and GPU-lite inference activities often produce intermittent load waves rather than constant peak draw, and this is where the 800W level demonstrates clearer advantage over 550W — less stress during write storms, sync ops, and distributed memory cluster tasks.

 

A tuned LLC+secondary regulation layout assists in smoothing power transitions in multi-DIMM expansions or IO cards that renegotiate link states. Many operators observe lower retry events and more stable storage timing when power ripple is controlled at the PSU layer rather than relying solely on motherboard filtering.

 

Power integrity remains stable at moderate-high load ranges, allowing compute tasks to remain predictable even in constrained rack airflow scenarios. The fan profile adjusts gradually, maintaining acoustic comfort in non-peak tasks while providing sufficient cooling headroom as workloads intensify.

 

Component derating strategy improves lifespan behavior during warm continuous operation, and PMBus telemetry supports fleet visibility across runtime load curves, fan duty, thermal levels, and rail health. This aids predictive maintenance planning and aligns well with data center-style monitoring rather than purely manual inspection.

 

Ripple optimization and switching noise control benefit SSD write compression phases, reducing latency spikes during bursts in distributed storage and message queue throughput. In expansion scenarios, operators can upgrade to 1200W+ models without changing infrastructure wiring, enabling a smooth migration path.

Power Operating Notes

Reference Condition

Suggested Guidance
Virtualization & VM stacking

Maintain 60–80% for optimum thermal-efficiency curve

Storage burst loads

Ensure direct airflow clearance for controller cooling
Mixed NIC routing

Expect better transient absorption than 550W tier

Redundant deployment

Match units for stable current share
Edge inference nodes

Monitor PMBus real-time telemetry during peak

Multi-SSD caching clusters

Ripple benefits IO timing consistency
Warm rack environments

Keep exhaust channels unobstructed

Expansion planning

1200W+ scaling path requires no structural changes

FAQ

Q1. What benefit does 800W bring over 550W?
Greater transient headroom and stability for IO/storage bursts and VM density.

 

Q2. Can it operate in redundant mode (1+1 / N+1)?
Yes — the CRPS design supports live replacement and current sharing setups.

 

Q3. Does it support PMBus telemetry?
Yes — suitable for monitoring as part of data-center fleet oversight.

 

Q4. Suitable load type?
Virtualization servers, NAS-SSD nodes, routing appliances, container clusters.

 

Q5. Is this recommended for light GPU use?
Yes — for low-power inference cards or compact compute accelerators.

 

Q6. Compared to 1200W model?
1200W suits heavier continuous compute, while 800W is more cost-balanced.

 

Q7. Field service behavior?
Hot-swap friendly in CRPS bay with short maintenance windows.

 

Q8. Upgrade direction?
Scaling to 1200W/1300W/1600W allows deeper compute stacking without PDU change.

 

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