Lenovo SR650V2/SR665 Server High-performance Fan Lenovo SR650V2 Fan 03GX153 03GX154 02JG447 03KH521 02JK422 03KH522 02JK421
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Lenovo SR650V2/SR665 Server High-performance Fan Lenovo SR650V2 Fan 03GX153 03GX154 02JG447 03KH521 02JK422 03KH522 02JK421

Title

Lenovo Original Used High-performance Fan for SR650V2/SR665 Servers (PN: 03GX153 03GX154 02JG447 03KH521 02JK422 03KH522 02JK421), Reliable Cooling Solution for Enterprise Server

Keywords

Lenovo SR650V2 fan, Lenovo SR665 fan, 03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421

Description

The high-performance fan series (PN: 03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421) is specifically designed for Lenovo SR650V2 and SR665 enterprise servers, serving as a core cooling component to ensure stable operation of server hardware under high-load conditions. As original used fans from Lenovo servers, they have undergone strict functional testing and quality inspection, with intact cooling performance, no obvious physical damage, and consistent compatibility with the original server configuration.
These high-performance fans adopt dual-rotor design (60 x 60 x 56 mm) with a rated speed of up to 19000 RPM, delivering strong air flow and efficient heat dissipation to cope with the heat generated by high-performance CPUs, memory modules, and other core components in SR650V2/SR665 servers. They support hot-swap functionality, allowing for on-site maintenance and replacement without shutting down the server, which effectively reduces enterprise downtime and ensures continuous operation of business systems.
Each fan model (03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421) is fully compatible with Lenovo SR650V2 and SR665 servers, perfectly matching the server's cooling system and control logic. The fans feature intelligent speed adjustment, which can automatically adjust the rotation speed according to the server's internal temperature, balancing cooling efficiency and noise control, and avoiding unnecessary energy consumption.
As cost-effective original parts, these high-performance fans provide an economical alternative for enterprise server maintenance and replacement. They retain the original factory specifications and performance, ensuring consistent cooling effect with new fans, while significantly reducing maintenance costs. For enterprises using Lenovo SR650V2/SR665 servers, these fans are the ideal choice for cooling system upgrades, failures replacement, and daily maintenance.

Key Features

  • Original Lenovo  parts, multiple models available: 03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421, fully compatible with SR650V2/SR665 servers
  • High-performance dual-rotor design (60 x 60 x 56 mm), rated speed up to 19000 RPM, strong air flow and efficient heat dissipation
  • Supports hot-swap functionality, enabling on-site maintenance and replacement without shutting down the server, reducing enterprise downtime
  • Intelligent speed adjustment, automatically adapting to server internal temperature, balancing cooling effect and noise control
  • Strictly tested and inspected, intact cooling performance, no functional defects, stable operation, suitable for long-term enterprise use
  • Complies with Lenovo SR650V2/SR665 server cooling system specifications, perfect matching with original hardware and control logic
  • Supports N+1 redundancy design, ensuring continuous cooling even if one fan fails, enhancing server operation reliability
  • Cost-effective alternative to new fans, reducing enterprise server maintenance and replacement costs while retaining original quality
  • Durable structure, high-temperature resistance, long service life, adapting to the harsh operating environment of data centers

Detailed Specifications

Component
Specification
Applicable Server Models
Lenovo SR650V2, Lenovo SR665 Enterprise Servers
Part Numbers (PN)
03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421
Fan Type
High-performance Dual-rotor Fan, Server Cooling Fan
Dimensions
60 x 60 x 56 mm (dual-rotor high-performance type)
Rated Speed
Up to 19000 RPM (dual-rotor); Standard type: 17000 RPM (single-rotor)
Functionality
Hot-swap, Intelligent Speed Adjustment, N+1 Redundancy Support
Interface
4-pin PWM Interface, Compatible with Server Cooling Control System
Origin
Lenovo Server , 100% Original, Strictly Tested and Verified
Redundancy Support
N+1 Redundancy (1 redundant fan rotor), ensuring continuous cooling
Note
Single-rotor and dual-rotor fans cannot be mixed use; Fan may run at low speed when server is shut down but powered on

Compatibility

These high-performance fans (03GX153, 03GX154, 02JG447, 03KH521, 02JK422, 03KH522, 02JK421) are 100% compatible with Lenovo SR650V2 and SR665 enterprise servers, perfectly matching the server's cooling system, power supply, and control interface. They can directly replace the original fans without any additional modification or configuration, ensuring seamless integration into the server's operating system.
Note: The SR650V2/SR665 servers support up to 6 hot-swap fans (including 1 redundant fan). When configuring fans, please check the CPU, heat sink, and fan combinations to select the correct fans under different hardware configurations. Single-rotor and dual-rotor fans cannot be mixed use, otherwise it may affect the cooling effect and server operation safety.

Usage Scenarios

Ideal for Lenovo SR650V2/SR665 server maintenance and replacement, used to replace faulty, aging, or low-performance original fans, ensuring the server's cooling system operates normally.
Suitable for enterprise data centers, high-performance computing (HPC) environments, and cloud computing platforms, providing reliable cooling support for SR650V2/SR665 servers under high-load operation (such as virtualization, big data processing, and enterprise application deployment).
Perfect for server cooling system upgrades, replacing standard fans with high-performance dual-rotor fans to enhance heat dissipation efficiency, adapting to the needs of high-power CPU and multi-module expansion.
Applicable to enterprises that pursue cost-effectiveness, providing an economical alternative to new fans while retaining original quality and performance, reducing server maintenance costs.
Suitable for scenarios requiring high server availability, relying on hot-swap and N+1 redundancy features to ensure continuous operation of the server without shutdown during fan replacement.

Frequently Asked Questions

Q1: Are these fans new or used? A: They are original used fans from Lenovo SR650V2/SR665 servers, strictly tested and inspected to ensure intact cooling performance, no functional defects, and stable operation.
Q2: Are all 7 models (03GX153, 03GX154, etc.) compatible with both SR650V2 and SR665 servers? A: Yes, all 7 specified part numbers are fully compatible with both Lenovo SR650V2 and SR665 servers, and can be directly replaced without additional configuration.
Q3: Do these fans support hot-swap? A: Yes, they support hot-swap functionality, which allows for on-site replacement without shutting down the server, effectively reducing enterprise downtime.
Q4: Can single-rotor and dual-rotor fans be mixed use in the server? A: No, single-rotor and dual-rotor fans cannot be mixed use. It is recommended to use the same type of fan to ensure the cooling system operates stably and efficiently.
Q5: Why does the fan still run when the server is shut down but powered on? A: This is a normal system design. When the server is shut down but still connected to AC power, some fans may continue to run at low speed to provide appropriate heat dissipation for internal components.
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