Name: Fan Assy, High PerFormance R640
Brand: Dell
Availability: InStock

Dell 858N2 Fan Assy, High PerFormance R640

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In Stock: 22
Manufacturer: Dell
Model or Part: 858N2
Condition: Refurbished
Weight: 2.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview

The Dell Fan Assembly model 858N2, marketed as the High Performance R640 fan assy, delivers reliable cooling for the Dell PowerEdge R640 server platform. Engineered to maintain optimal airflow under heavy workloads, this fan ensures that critical components stay within safe temperature ranges, extending system lifespan and preserving performance when data centers run at peak capacity.

Key Features

High static pressure design for efficient cooling of dense server configurations
Low noise operation to reduce acoustic impact in rack environments
Durable bearing technology that provides long service life and reduced maintenance intervals
Easy plug-and-play installation with standard Dell connector interface
Optimized blade geometry for uniform airflow distribution across the chassis

Technical Specifications

Part Number: 858N2
Manufacturer: Dell
Applicable Server Model: PowerEdge R640
Voltage: 12 V DC
Current Draw: 1.5 A (typical)
Airflow Capacity: 70 CFM (cubic feet per minute) at full speed
Operating Temperature Range: 0 to 50 deg Celsius
Noise Level: 38 dB(A) at maximum speed
Dimensions: 120 mm x 120 mm x 25 mm (L x W x H)
Connector Type: 4-pin Molex compatible with Dell server backplane

Applications

This fan assembly is ideal for enterprise data centers, cloud hosting facilities, and any environment that relies on the Dell PowerEdge R640 for high-density compute workloads. It supports virtualization, database processing, and intensive analytics tasks where sustained cooling performance is critical. The component also serves as a direct replacement for original equipment in maintenance cycles, ensuring consistent thermal management without system downtime.