Dell MF666 3.5 Inch Hot Swap Trays SCSI
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MF666 Dell 3.5inch Hot Swap SAS Sata Hard Drive Tray Sled Refurbished

Availability: In Stock
Part Number#: MF666
List Price was: $488.37
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You Save: $278.37 (57% off)



Short Description:
MF666 Dell 3.5inch Hot Swap SAS Sata Hard Drive Tray Sled Caddy For Poweredge And Powervault Servers. Refurbished.
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Introduction to Hot Swap SAS/Sata

The MF666 Dell 3.5inch Hot Swap SAS Sata Hard Drive Tray Sled Caddy is a device that is used in Poweredge and Powervault servers. It allows users to easily swap out hard drives without having to shut down the server. The caddy has a 3.5 inch form factor and is compatible with both SAS and SATA hard drives. This device provides a convenient and quick solution for replacing failed or outdated hard drives in a server environment. It also helps to minimize downtime, as users can perform a hard drive swap while the server is still running. The hot swap feature ensures that the server remains operational even during the process of replacing the hard drive. This device is an essential component for ensuring the smooth functioning of server systems.

Installation process

The installation process of the MF666 Dell 3.5-inch Hot Swap SAS/SATA Hard Drive Tray Sled Caddy is relatively simple and straightforward. Here are the steps to follow:

  • Gather the necessary tools: You will need a Phillips head screwdriver and an anti-static wrist strap.
  • Prepare the server: Power off the server and unplug it from the electrical outlet. Disconnect all cables and peripherals.
  • Open the server: Locate the drive bay where you want to install the tray sled. Open the server and locate the empty drive bay.
  • Remove the drive bay cover: Some servers have a cover that must be removed to access the drive bay. Use the Phillips head screwdriver to remove the screws that hold the cover in place.
  • Install the tray sled: Locate the connectors on the tray sled and insert them into the corresponding connectors in the drive bay.
  • Secure the tray sled: Use the screws that were removed from the drive bay cover to secure the tray sled to the server.
  • Insert the hard drive: Slide the hard drive into the tray sled and connect the SATA or SAS cables to the hard drive.
  • Close the server: Close the server and replace the screws that were removed from the cover.
  • Power on the server: Connect the server to the electrical outlet and power it on. The server should recognize the new hard drive.

Note: Before you start the installation process, it is important to make sure that you have the correct type of tray sled for your server. Some servers require a specific type of tray sled.

Advantages of using Hot Swap Tray
  • Ease of maintenance: The hot swap tray makes it easy to replace a failed hard drive without having to shut down the entire server. This saves time and reduces downtime, increasing productivity.
  • Reduces complexity: The hot swap tray simplifies the process of adding or replacing a hard drive by removing the need for complex cabling and interconnects.
  • Increases reliability: By removing the need for complex cabling, the hot swap tray reduces the chances of cable failure and improves overall reliability of the server.
  • Scalability: The hot swap tray makes it easy to add or replace hard drives as your storage requirements change, making the server more scalable and flexible.
  • Improved performance: With a hot swap tray, the server can quickly recognize and utilize a newly added hard drive, leading to improved performance and faster data access.
  • Cost-effective: The hot swap tray eliminates the need for complex hardware, reducing the cost of maintaining and upgrading the server.
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

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