Will a LG BU40N fit in the ODD bay?

Yes....it will. As long as your disc drive is "ultra slim", you're good.

Is it compatible with an internal floppy drive?

Yes a 3.5" floppy drive, also make sure your optical drive is an ultra slim 9mm.

What types of devices can I mount using this kit?

The kit allows mounting of 1 x 3.5" device or hard drive and 1 x Ultra-Slim ODD (9.5mm).

What materials is this mounting kit made of and is it durable?

The mounting kit is made of plastic and features durable one-piece, lightweight construction.

Is there any tool-free installation option for the 3.5" device?

Yes, the product features a Smart-Tip locking mechanism for screw-less 3.5" device installation.

Is there a mechanism for dust protection?

Yes, the product includes snap-off front panel dust covers for the 3.5" bay and Ultra-Slim ODD bay.

Can this mounting kit be installed in any 5.25" external drive bay?

Yes, this mounting kit is compatible with any standard 5.25" external drive bay.

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ICY DOCK MB343SPO FLEX-FIT Duo MB343SPO 5.25" Ext. Bay to 3.5" HDD / Device Bay + Ultra Slim ODD Bay Mounting Kit Bracket

(852) Write a Review

Model: Bracket ODD

Brackets Versatile
Brackets 4BAY
Brackets 3BAY
Brackets Versatile x2
Bracket ODD

Durable one piece, lightweight construction
Compatible with any standard 5.25" external drive bay
Fits 1 x 3.5" device / hard drive and 1 x Ultra-Slim ODD
Snap-off front panel dust covers for 3.5" bay and Ultra-Slim ODD bay
Advanced device guiding system for smooth device / drive installation
Smart-Tip locking mechanism for screw-less 3.5" device installation
Mounting screw holes for 3.5" HDD and Ultra-Slim ODD installation
6 pin Slimline to 15 pin SATA power cable included
Compatible with any standard 3.5" HDD, 3.5" device, and Ultra-Slim ODD

Overview

Specs

Reviews (852)

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idokm343spoflex-fitduom343spo 5.25" ext. to 3.5" dd/devie+ultrslimoddmountingkitrket

Best Seller Ranking	#1 in HDD / SSD Accessories

Model
Brand	ICY DOCK
Model	MB343SPO
Color	Black

Details
Conversion Tray	1 x 5.25" Drive to 3.5" Bay
Mobile Rack Drives Support	1 x 3.5" Drives to 5.25" Bay
Mobile Rack Interface	SATA I/II/III
Protection Case	Multiple Drives
Compatible Products	3.5"
Specifications	Drive Fit: 1 x 3.5" device or hard drive 1 x Ultra-Slim ODD(9.5mm) Device Fit: 1 x External 5.25" half height device bay Material: Plastic Dimension (L x W x H): 148.80 x 145.80 x 41.30 mm Weight: 97.6g

Features
Features	Durable one piece, lightweight construction Compatible with any standard 5.25" external drive bay Fits 1 x 3.5" device / hard drive and 1 x Ultra-Slim ODD Snap-off front panel dust covers for 3.5" bay and Ultra-Slim ODD bay Advanced device guiding system for smooth device / drive installation Smart-Tip locking mechanism for screw-less 3.5" device installation Mounting screw holes for 3.5" HDD and Ultra-Slim ODD installation 6 pin Slimline to 15 pin SATA power cable included Compatible with any standard 3.5" HDD, 3.5" device, and Ultra-Slim ODD
Package Contents	Device, User Manual, Screws

Additional Information
First Listed on Newegg	April 23, 2026

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ICY DOCK MB343SPO FLEX-FIT Duo MB343SPO 5.25" Ext. Bay to 3.5" HDD / Device Bay + Ultra Slim ODD Bay Mounting Kit Bracket

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Item#: 9SIAFVFKVP5900

Best Sellers

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ICY DOCK MB343SPO FLEX-FIT Duo MB343SPO 5.25" Ext. Bay to 3.5" HDD / Device Bay + Ultra Slim ODD Bay Mounting Kit Bracket

Learn more about the ICY DOCK MB343SPO

Customer Reviews of the ICY DOCK MB343SPO

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info