G1136-1300WNA – 1300W CRPS Power Supply for Demanding Server and Network Systems

The G1136-1300WNA delivers robust 1300W power capacity within a sleek 1U CRPS standard chassis (185 x 73.5 x 40 mm), tailored for dense server racks, storage arrays, and network equipment requiring high availability and performance. Providing a strong 12V output at 108A alongside a 12V standby rail rated at 2.1A, this power supply supports a broad voltage input spectrum from 90–264V AC and 180–300V DC, enabling compatibility with power infrastructures worldwide. Advanced digital control paired with PMBus 1.2 interface facilitates precise monitoring, remote management, and diagnostic capabilities, empowering IT operators to maintain uptime and optimize power delivery. Active PFC technology enhances efficiency and reduces energy loss, while adaptive fan control balances effective cooling with minimal noise emissions. For flexible integration, the unit supports reverse airflow configurations to suit various thermal designs. Certified under UL, CE, FCC, CB, and CCC standards, the G1136-1300WNA meets stringent global safety and electromagnetic compliance requirements, making it an ideal choice for critical mission applications.

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

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 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

For deployments that push beyond typical CPU-only workloads, G1136-1300WNA serves as the first tier of the G1136 series that comfortably enters hybrid compute territory, where moderate GPUs, accelerator cards, or high-bandwidth storage controllers frequently coexist on the same board. Compared with the 1200W tier — which is optimized for sustained compute stability — the 1300W model provides additional power headroom to absorb occasional inference spikes, indexing bursts, NVMe flush storms, or cross-node synchronization events without risking voltage dip or rapid fan ramp behavior.

 

It is commonly adopted in clusters that run ML inference, RTSP streaming processing, distributed cache layers, CI/CD workers with high memory paging, or virtualization pools with frequent container swapping. The extra watt margin allows multi-role servers to operate throughout the week with lower derating stress and reduced PSU cycling frequency. Operators who anticipate incremental future upgrades (adding drives, bumping CPU SKUs, enabling GPU passthrough, etc.) can deploy this wattage as a forward-ready baseline rather than re-platforming later.

 

Scenario

System Demand Why G1136-1300WNA Fits
Hybrid compute servers CPU + light GPU / HBA mix

More overhead vs 1200W, safe during bursts

ML inference clusters

Sustained matrix ops Low ripple keeps accelerator clocks stable
Media & streaming nodes High IO jitter moments

Extra watt margin prevents lag spikes

NVMe caching gateways

Frequent flush + write Maintains rail integrity during spikes
Container + microservice clouds Many context switches

Voltage stability reduces jitter

Scalable growth racks

Future-add SSDs or NIC upgrades

Capacity reserves delay PSU replacement

 

 

Power Architecture & Reliability Design

At this point within the G1136 architecture, 1300W introduces a more assertive current delivery profile, engineered for environments where performance consistency matters as much as efficiency. The PSU maintains low ripple characteristics even under multi-rail contention, reducing instability in PCIe negotiation or NVMe queue handling. The switching stage is tuned to recover quickly from transient draw surges — particularly common when GPU kernels initiate or when container clusters scale up under load.

 

A reinforced thermal path combined with staged fan response avoids abrupt acoustic jumps, keeping servers predictable in shared racks. The synchronous rectifier layout, operating deep into load range, helps spread heat across FET modules so no single component becomes a hotspot over extended sessions. Under redundant 1+1 or N+1 operation, current balancing is notably efficient, minimizing seesaw behavior that can shorten component lifespan.

 

In practice, integration teams report fewer transient alarms when running large CI pipelines or ingestion workloads that generate inconsistent draw cycles. PMBus metrics provide long-term visibility, letting operators catch airflow degradation or fan wear early rather than after failure symptoms appear. For continuous services that sit just below peak but never truly idle, 1300W strikes a sweet spot — more efficient than overshooting to 1600W yet far safer than capping at 1200W when upscaling is inevitable.

 

Future scalability remains straightforward: moving to 1600W only requires power budget review without changing bay or mounting format.

Power Operating Notes

Reference Condition

Suggested Guidance
Hybrid CPU + GPU nodes

Monitor PMBus load % under peak inference

NVMe-dense layouts

Maintain clear front-to-back airflow
CI/CD workloads

Useful to trend thermal saturation levels

Redundant mode

Prefer same batch units for ideal sharing
Mixed container clusters

Extra watt margin reduces voltage fluctuation

Edge aggregation servers

Use controlled fan curves for noise balance
Future power growth

Step-up compatible to 1600W

24/7 operation

Periodic dust check avoids thermal choke

FAQ

Q1. When to select 1300W instead of 1200W?
When GPU or NVMe will be added later, or workloads have unpredictable high-burst windows.

 

Q2. Does it handle inference tasks well?
Yes — ripple control and transient handling are optimized for accelerator timing stability.

 

Q3. Suitable for redundant deployment?
Very — keeps shared load stable even when one unit temporarily ramps.

 

Q4. What airflow is recommended?
Front-to-back with unobstructed paths ensures optimal thermal behavior.

 

Q5. How is long-term reliability enhanced?
Balanced MOSFET heat diffusion and recovery tuning reduce thermal fatigue.

 

Q6. Is PMBus monitoring supported?
Yes — enabling predictive alerts for fan speed, rail deviation, thermal drift.

 

Q7. Is derating noticeable under high ambient?
Less sensitive than lower models; still improved with good intake temperature.

 

Q8. Upgrade path?
Drop-in progression to 1600W within the same mechanical ecosystem.

 

Scroll to Top