Get a quote
PRODUCT VIEW HK550B-S1 product image 1

Images are for reference only. Actual product appearance may vary.

01 / 06

HK550B-S1

CRPS 12V Platinum

INQUIRY READY

HK550B-S1

Huntkey / CRPS 12V Platinum

HK550B-S1 matches Network Servers, Industrial P Cs, Communication Gateways, Digital Signage, and Led Display Systems with 550W capacity and a stable +12V rail, helping operators achieve a balanced fit for serviceable, high-availability installations.

Model
HK550B-S1
Product Category
CRPS 12V Platinum
Rated Power
550W
Efficiency Level
80 PLUS® Platinum, peak efficiency >94%
Request a Quote ↗

Need compatibility confirmation? Send us your model, label photo, power rating, and connector requirements.

PRODUCT OVERVIEW

Built for reliable, continuous power delivery.

The HK550B-S1 is positioned as a compact, efficient CRPS option for lower-power equipment requiring reliable continuous duty. Its modest 550W rating helps avoid unnecessary power and thermal overhead while retaining the standardized packaging, redundancy capability, and service access associated with enterprise power modules.

A sound HK550B-S1 design review should use the 550W rating and 45A +12V maximum as hard boundaries for board, storage, display, and peripheral loads. Confirm backplane and connector compatibility, standby demand, fan path, acoustic and thermal limits, and the redundancy strategy before placing the module in a small network or embedded enclosure.

The application image lists network servers, industrial PCs, communication gateways, digital-signage equipment, and LED display systems. Because these platforms combine computing with varied I/O and display loads, deployment should reserve capacity for peripheral peaks and keep ventilation, hot-swap access, and long-duration reliability appropriate to the installation site.

CORE ADVANTAGES

550W CRPS Platinum+ Power Supply for Compact Network and Industrial Systems

The HK550B-S1 provides 550W output for compact network servers, industrial PCs, edge systems, security equipment, and low-power computing platforms that require stable 12V power delivery in a standard CRPS power module.

01

550W CRPS Power Capacity

The HK550B-S1 provides 550W output for compact network servers, industrial PCs, edge systems, security equipment, and low-power computing platforms that require stable 12V power delivery in a standard CRPS power module.

02

Compact 1U CRPS Structure

Built in a standard 185 × 73.5 × 40 mm CRPS form factor, this model is suitable for compact chassis designs where PSU bay space, airflow planning, and easy power module replacement are important.

03

Wide Input Compatibility

It supports 90–264Vac AC input , 47–63Hz frequency range, and 240Vdc input , making it suitable for server rooms, network cabinets, industrial control systems, and distributed power environments.

04

Stable 12V Output Performance

The unit delivers up to 45A on the +12V main output , together with a +12VSB standby output up to 3A for standby control, system management, and auxiliary power requirements.

05

N+1 Redundancy and Hot-Swap Support

With N+1 redundancy , 0≤N≤3 , cold backup, and hot-swappable capability, the HK550B-S1 supports service-friendly power architecture for compact systems that require easier maintenance and improved power availability.

06

Built for Practical Compact Deployment

80 PLUS® Platinum efficiency, high power factor, low harmonic distortion, black-box fault logging, online upgrade capability, forced fan cooling, and multiple protection functions help support stable operation in network, industrial, and embedded computing applications.

MODEL SELECTION

Compare Huntkey power options.

Review nearby Huntkey models and select the output level and form factor that best match the target system.

Product Category Model Power Output Current Efficiency Form Factor Best-Fit Application
CRPS 12V Platinum HKS360A1-CN 360W 12V / 30A Platinum CRPS Compact servers, industrial PCs, and embedded control platforms
CRPS 12V Platinum HK2400B-S1 2400W 12V / 195A Platinum+ CRPS General-purpose servers, storage servers, and AI server platforms
CRPS 12V Platinum HK2000B-S1 2000W 12V / 164A Platinum+ CRPS High-density compute, storage, and data center systems
CRPS 12V Platinum HK1600B-S1 1600W 12V / 132A Platinum+ CRPS Enterprise servers, virtualization hosts, and medium-density storage systems
CRPS 12V Platinum HK1300B-S1 1300W 12V / 108A Platinum+ CRPS Standard 1U/2U servers, business applications, and enterprise IT platforms
CRPS 12V Platinum HK800B-S1 800W 12V / 65A Platinum+ CRPS Network servers, industrial PCs, compact storage, and edge systems
CRPS 12V Platinum HK550B-S1 550W 12V / 45A Platinum+ CRPS Edge gateways, compact network systems, industrial control, and security equipment
CRPS 12V Platinum HKS2000C1-LP 2000W 12V Platinum CRPS Low-profile high-power server and storage systems
CRPS 12V Platinum HKS1300C1-LP 1300W 12V Platinum CRPS Low-profile enterprise server and compact rack platforms

DEPLOYMENT SCENARIOS

Where HK550B-S1 fits best.

The HK550B-S1 is designed for compact systems that need stable 12V power, standard CRPS installation, and practical hot-swap serviceability. It fits edge gateways, compact network platforms, industrial control equipment, embedded computing systems, and security devices where moderate power capacity, efficient operation, and compact system integration are important.

Scenario System Requirement Why HK550B-S1 Fits
Edge Gateway Devices Compact power support for edge communication and local processing 550W capacity provides practical headroom for processors, ports, fans, and control boards
Compact Network Systems Stable 12V power for small servers, firewalls, routers, and gateway platforms CRPS form factor and hot-swap support improve maintenance convenience
Industrial Control Equipment Reliable power delivery for controllers, I/O modules, and industrial computing boards Forced fan cooling and protection functions support long-hour operation
Embedded Computing Platforms Power support for compact motherboards, expansion cards, and system fans +12V output up to 45A supports moderate embedded workloads
Security & NVR Systems Stable operation for recording, network transmission, and video processing Efficient 12V output supports continuous security workloads
Small Storage Appliances Power support for storage controllers, drives, and cooling modules +12V main output and +12VSB standby output support device and system management needs

POWER DESIGN

Reliability notes for continuous operation.

The HK550B-S1 focuses on compact and efficient 12V power delivery for network, industrial, and embedded computing systems. It provides 550W output in a standard 185 × 73.5 × 40 mm CRPS structure, making it suitable for platforms that need more reliability and serviceability than ordinary low-power modules while avoiding unnecessary oversized power capacity.

  • 550W output rating supports edge gateways, compact network systems, industrial control equipment, security devices, and small storage appliances.
  • The +12V main rail supports 1A to 45A, providing stable power for system boards, network ports, storage devices, fans, and control modules.
  • +12VSB standby output supports 0.1A to 3A, providing auxiliary power for standby control and system management.
  • Efficiency performance reaches ≥86% at 10% load, ≥92% at 20% load, ≥94% at 50% load, and ≥91% at 100% load.
  • The unit supports N+1 redundancy with 0≤N≤3, helping compatible systems improve serviceability and power availability.
  • Black-box fault logging helps maintenance teams review abnormal power events and operating history.
  • Online upgrade capability supports system-level service and long-term platform maintenance.
  • Protection functions include input undervoltage, input overvoltage, input current limiting, output overvoltage, output overcurrent, output short circuit, and overtemperature protection.

INSTALLATION

Installation and operating guidance.

The HK550B-S1 is designed for forced fan cooling and has an MTBF value of 200,000 hours. For storage and transportation, it supports an air temperature range of -20°C to 70°C and relative humidity of 0%–95%. EMI performance complies with EN55032 Class B and GB/T 9254 Class B, and ground leakage current is ≤3.5mA at 240Vac/50Hz. Safety standards include CE, CB, FCC, UL, TUV, LVD, CCC, and 80 Plus.

Installation / Operation Item Guidance
Load Planning Confirm total system power demand and avoid long-term operation beyond the recommended load range
Input Connection Use within the supported 90–264Vac input range or supported 240Vdc environment
Output Matching Match the system load with the available +12V output current and +12VSB standby requirement
Chassis Fitment Confirm the 185 × 73.5 × 40 mm CRPS size before integrating the PSU into the system
Redundant System Use Use N+1 redundancy and hot-swap functions only with compatible power shelves, backplanes, and system control logic
Thermal Clearance Keep intake and exhaust areas open to support forced fan cooling and prevent heat buildup
Operating Environment Keep air temperature within 0–55°C and relative humidity within 0%–95%, with no condensation
Routine Maintenance Check fan condition, dust buildup, connector seating, fault logs, and hot-swap operation during regular service

FAQ

Frequently asked questions about HK550B-S1.

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

What type of power supply is the HK550B-S1?

The HK550B-S1 is a 550W CRPS 12V Platinum power supply designed for compact network systems, industrial PCs, edge gateways, embedded computing platforms, and security equipment.

What is the size of this model?

It uses a standard CRPS structure with a size of 185 × 73.5 × 40 mm , making it suitable for compact chassis and space-limited system designs.

What input voltage range does it support?

The HK550B-S1 supports 90–264Vac AC input , 47–63Hz , and also supports 240Vdc input for compatible infrastructure environments.

What output does the HK550B-S1 provide?

It provides a +12V main output up to 45A , together with a +12VSB standby output up to 3A .

Is this model suitable for edge gateway devices?

Yes. Its 550W output, compact CRPS size, and stable 12V architecture make it suitable for edge gateways, access nodes, and compact communication systems.

Can it be used in industrial control equipment?

Yes. The HK550B-S1 supports forced fan cooling, wide input compatibility, and multiple protection functions, making it suitable for industrial control and embedded computing applications.

Does this model support hot swapping and redundancy?

Yes. It supports hot-swappable operation and N+1 redundancy with 0≤N≤3 , helping compatible systems improve maintenance flexibility and power availability.

What protection features are included?

It includes input undervoltage, input overvoltage, input current limiting, output overvoltage, output overcurrent, output short circuit, and overtemperature protection.

KEEP EXPLORING

Related products

View category →