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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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#1 Best Seller
in HDD / SSD Accessories
ICY DOCK MB343SPO FLEX-FIT Duo MB343SPO 5.25" Ext. Bay to 3.5" HDD / Device Bay + Ultra Slim ODD Bay Mounting Kit Bracket
  • Color: Black
  • 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
  • Model #: MB343SPO
StarTech BRACKET Metal 3.5" to 5.25" Drive Adapter Bracket
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StarTech BRACKET Metal 3.5" to 5.25" Drive Adapter Bracket
  • Color: Black
  • Conversion Tray: 1 x 3.5" Drive to 5.25" Bay
  • Model #: BRACKET
  •  
  • $7.99 
  • $7.99 Shipping
StarTech 25SATSAS35 2.5in SATA/SAS SSD/HDD to 3.5in SATA Hard Drive Converter
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StarTech 25SATSAS35 2.5in SATA/SAS SSD/HDD to 3.5in SATA Hard Drive Converter
  • Color: Black
  • Conversion Tray: 1 x 2.5" Drive to 3.5" Bay
  • Specifications: Color: Black Drive Connectors: 1 - SFF-8482 (29 pin; Data & Power; Internal SAS) Receptacle Drive Installation: Removable Drive Size: 2.5in Drive Type: SAS & SATA Enclosure Type: Plastic Fan(s): No Host Connectors: 1 - SATA Data & Power Combo (7+15 pin) Plug Key Lock: No Max Drive Height: 0.59 in [15 mm] Number of 2.5 inch bays: 1 Number of Drives: 1
  • Model #: 25SATSAS35
  • $35.99
  •  
  • $30.99 
  • Save: 13%
  • Free Shipping
Phanteks PH-HDDKT_03 Stackable 3.5" HDD Bracket
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Phanteks PH-HDDKT_03 Stackable 3.5" HDD Bracket
  • Color: Black
  • Conversion Tray: Stackable 3.5" HDD Bracket
  • Protection Case: Multiple Drives
  • Compatible Products: Evolv X and future models
  • Model #: PH-HDDKT_03
StarTech.com 25SAT35HDD 2.5” to 3.5” SATA Aluminum Hard Drive Adapter Enclosure SSD / HDD Height up to 12.5mm - 2.5in to 3.5in SATA SSD/HDD Converter
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StarTech.com 25SAT35HDD 2.5” to 3.5” SATA Aluminum Hard Drive Adapter Enclosure SSD / HDD Height up to 12.5mm - 2.5in to 3.5in SATA SSD/HDD Converter
  • Color: Black
  • Specifications: Drive Connectors: 1 x SATA Data & Power Combo (7+15 pin) Host Connectors: 1 x SATA Data & Power Combo (7+15 pin) Dimensions: 1.40" x 4.00" x 5.70" Weight: 9.20 oz.
  • Model #: 25SAT35HDD
  • $42.99
  •  
  • $41.99 
  • Free Shipping
StarTech.com SATSASBP425 4-bay mobile rack backplane for 2.5in SATA/SAS drives
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StarTech.com SATSASBP425 4-bay mobile rack backplane for 2.5in SATA/SAS drives
  • Color: Black
  • Mobile Rack Interface: SATA I/II/III/SAS
  • Protection Case: Multiple Drives
  • Compatible Products: 2.5"
  • Model #: SATSASBP425
  • $161.12 - $163.12
StarTech.com HSB100SATBK 5.25in Trayless Hot Swap Mobile Rack for 3.5in Hard Drive - Internal SATA Backplane Enclosure
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StarTech.com HSB100SATBK 5.25in Trayless Hot Swap Mobile Rack for 3.5in Hard Drive - Internal SATA Backplane Enclosure
  • Color: Black
  • Mobile Rack Drives Support: 1 x 3.5" Drives to 5.25" Bay
  • Mobile Rack Interface: SATA I/II
  • Specifications: Bus Type: SATA I (SATA 150), II (SATA /300) Maximum Data Transfer Rate: 3.0 GBytes/s
  • Model #: HSB100SATBK
  • $42.96 - $44.96
StarTech.com BRACKET125PT 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - Tool-less Installation
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StarTech.com BRACKET125PT 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - Tool-less Installation
  • Color: Black
  • Conversion Tray: 2.5" Bracket for 3.5" Bay
  • Mobile Rack Interface: SATA & IDE / SAS / PCIe U.2 SSD
  • Protection Case: Single Drive
  • Model #: BRACKET125PT
StarTech.com BRACKET25X2 Dual 2.5” to 3.5" Hard Drive Bay Mounting Bracket - 2.5" to 3.5" HDD / SSD Mounting Bracket w/ SATA Power and Data cabling
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StarTech.com BRACKET25X2 Dual 2.5” to 3.5" Hard Drive Bay Mounting Bracket - 2.5" to 3.5" HDD / SSD Mounting Bracket w/ SATA Power and Data cabling
  • Color: Black
  • Conversion Tray: 2 x 2.5" Drive to 3.5" Bay
  • Specifications: Interface: SATA Connector Type(s): RJ-45 Enclosure Type: Steel Package: 1 x Dual 2.5" Mounting Bracket 1 x SATA Power Y cable 2 x SATA DATA Cable
  • Model #: BRACKET25X2
  •  
  • $17.99 
  • Free Shipping
StarTech.com Black Aluminum 5.25in Rugged SATA Hard Drive Mobile Rack Drawer (DRW150SATBK)
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StarTech.com Black Aluminum 5.25in Rugged SATA Hard Drive Mobile Rack Drawer (DRW150SATBK)
  • Mobile Rack Drives Support: 1 x 3.5" Drives to 5.25" Bay
  • Mobile Rack Interface: SATA I/II
  • Specifications: Hard Drive Compatibility: 3.5-Inch SATA/300(SATA II) or SATA/150 (SATA I) Hard Drives System Requirements: PC or Mac with a 5.25 Inch Drive Bay Drive Drawer Dimensions: 7.5" x 5.8" x 1.6" Cooling Fan: Ball-Bearing Fan Fan Dimensions: 40 x 40 x 10mm Fan Enclosure: Plastic Drive Drawer Enclosure: Aluminum Drive Size: Supports up to 750Gb hard drive Note: Unit is model specific and is not meant for use with different models of drive drawer unless otherwise stated
  • Model #: DRW150SATBK
  •  
  • $70.99 
  • Free Shipping
PCI-E SSD M.2 NVME to USB3.1 Type C Adapter NVME SSD Enclosure  LM905 M-key Supports 2260 2242 2260 2280 M.2 M-KEY NVme 1.3 SSD
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PCI-E SSD M.2 NVME to USB3.1 Type C Adapter NVME SSD Enclosure LM905 M-key Supports 2260 2242 2260 2280 M.2 M-KEY NVme 1.3 SSD
  • Color: Black
  • Conversion Tray: 1 x M.2 PCIE NVME SSD to 1 x USB 3.1-Type C
  • Mobile Rack Drives Support: 1 x 2.5" Drive to 3.5" Bay
  • Mobile Rack Interface: M.2
  • Model #: HDENALTLM905
  •  
  • $57.98 
  • Free Shipping
StarTech.com Dual 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - Tool-Less Installation - 2-Drive Adapter Bracket for Desktop Computer BRACKET225PT
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StarTech.com Dual 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - Tool-Less Installation - 2-Drive Adapter Bracket for Desktop Computer BRACKET225PT
  • Color: Black
  • Conversion Tray: 2 x 2.5" Drive to 3.5" Bay
  • Mobile Rack Drives Support: Multi 2.5" Drives to 3.5" Bay
  • Mobile Rack Interface: SATA I/II/III
  • Model #: BRACKET225PT
Icy Dock MB171SP-1B | Tray-less 3.5" SAS/SATA HDD Mobile Rack Enclosure for 5.25" Bay | TurboSwap
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Icy Dock MB171SP-1B | Tray-less 3.5" SAS/SATA HDD Mobile Rack Enclosure for 5.25" Bay | TurboSwap

Limited time offer, ends 04/25

  • Color: Black
  • Conversion Tray: 1 x 3.5" Drive to 5.25" Bay
  • Mobile Rack Drives Support: 1 x 2.5" Drive to 5.25" Bay
  • Mobile Rack Interface: SATA I/II/III
  • Model #: MB171SP-1B
ORICO 5.25 Trayless Hot Swap Mobile Rack CD-ROM 3.5 inch Internal SATA Hard Drive SSD Adapter-1106SS
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ORICO 5.25 Trayless Hot Swap Mobile Rack CD-ROM 3.5 inch Internal SATA Hard Drive SSD Adapter-1106SS
  • Color: Black
  • Conversion Tray: 1 x 3.5" Drive to 5.25" Bay
  • Mobile Rack Drives Support: 1 x 3.5" Drives to 5.25" Bay
  • Mobile Rack Interface: SATA I/II/III
  • Model #: 1106SS-V1-BK-BP
  •  
  • $28.99 
  • Free Shipping
StarTech U2M2E125 M.2 to U.2 Adapter - for 1 x M.2 NVMe SSD - U.2 (SFF-8639) Host Interface - SSD M.2 - NVME M.2 SSD - M.2 PCIe SSD - M.2 Drive
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StarTech U2M2E125 M.2 to U.2 Adapter - for 1 x M.2 NVMe SSD - U.2 (SFF-8639) Host Interface - SSD M.2 - NVME M.2 SSD - M.2 PCIe SSD - M.2 Drive
  • Color: Red
  • Specifications: Drive Connectors: 1 - M.2 (NGFF, M-Key, PCIe x4) Host Connectors: 1 - U.2 (SFF-8639, x4 PCIe, NVMe) Product Height: 0.3 in [7 mm] Product Length: 3.9 in [100 mm] Product Weight: 1.3 oz [36 g] Product Width: 2.8 in [70 mm]
  • Model #: U2M2E125
  • $55.00 - $57.00
StarTech BRACKETFDBK 3.5in Hard Drive to 5.25in Front Bay Bracket Adapter
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StarTech BRACKETFDBK 3.5in Hard Drive to 5.25in Front Bay Bracket Adapter
  • Color: Black
  • Conversion Tray: 1 x 3.5" Drive to 5.25" Bay
  • Specifications: Dimension: 1.13" x 5.75" x 5.25" (H x L x W)
  • Model #: BRACKETFDBK
  •  
  • $10.99 
  • $7.99 Shipping
StarTech.com SAT32M225 M.2 SSD to 2.5in SATA Adapter Converter with Open Frame Housing and 7mm Height
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StarTech.com SAT32M225 M.2 SSD to 2.5in SATA Adapter Converter with Open Frame Housing and 7mm Height
  • Color: Black
  • Conversion Tray: M.2 (NGFF) Drive to 2.5” Drive
  • Compatible Products: 2.5"
  • Specifications: Drive Connectors: 1 - M.2 (NGFF) Receptacle Host Connectors: 1 - SATA Data & Power Combo (7+15 pin) Receptacle Maximum Data Transfer Rate: 6 Gbps Type and Rate: SATA III (6 Gbps)
  • Model #: SAT32M225
  •  
  • $34.99 
  • Free Shipping
StarTech.com 2.5 Inch SATA Hard Drive to 3.5 Inch Drive Bay Mounting Kit (BRACKET25SAT)
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StarTech.com 2.5 Inch SATA Hard Drive to 3.5 Inch Drive Bay Mounting Kit (BRACKET25SAT)
  • Protection Case: Single Drive
  • Specifications: Includes 1 x Combined 7+15 pin SATA plus LP4 Power to SATA Cable Connectors 1x SATA 7 pin Female Connector Connectors 1x SATA 15 pin Female Connector Connectors 1x LP4 Male Connector
  • Model #: BRACKET25SAT
  •  
  • $13.99 
  • $7.99 Shipping
StarTech.com HSB3SATSASBA 3 Bay Aluminum Trayless Hot Swap Mobile Rack Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD
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StarTech.com HSB3SATSASBA 3 Bay Aluminum Trayless Hot Swap Mobile Rack Backplane for 3.5in SAS II/SATA III - 6 Gbps HDD
  • Color: Black
  • Conversion Tray: 2 x SATA Power (15 pin) Receptacle 3 x SATA (7 pin; Data) Receptacle
  • Mobile Rack Drives Support: 3 x SFF-8482 (29 pin; Data & Power; Internal SAS) Receptacle
  • Mobile Rack Interface: SATA I/II/III/SAS
  • Model #: HSB3SATSASBA
StarTech SAT32MSAT257 mSATA SSD to 2.5in SATA Adapter Converter
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StarTech SAT32MSAT257 mSATA SSD to 2.5in SATA Adapter Converter
  • Color: Red
  • Conversion Tray: mSATA Drive to 2.5" Drive
  • Compatible Products: 2.5"
  • Specifications: Drive Installation: Fixed Drive Type: mSATA (Mini SATA) Interface : SATA Number of Drives: 1 Drive Connectors: 1 - mSATA (52 pin; Mini SATA) Receptacle Host Connectors: 1 - SATA Data & Power Combo (7+15 pin) Receptacle Maximum Data: Transfer Rate 6 Gbps Type and Rate: SATA III (6 Gbps)
  • Model #: SAT32MSAT257
  •  
  • $33.99 
  • $7.99 Shipping
Icy Dock MB290SP-B | Tool-less Dual 2.5" to 3.5" HDD Drive Bay SSD Mount / Kit / Bracket / Adapter | EZ-Fit Lite
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Icy Dock MB290SP-B | Tool-less Dual 2.5" to 3.5" HDD Drive Bay SSD Mount / Kit / Bracket / Adapter | EZ-Fit Lite
  • Color: Black
  • Conversion Tray: 2 x 2.5" Drive to 3.5" Bay
  • Mobile Rack Drives Support: Multi 3.5" Drives to Multi 5.25" Bays
  • Protection Case: Multiple Drives
  • Model #: MB290SP-B
StarTech.com HSB220SAT25B 2 Drive 2.5in Trayless Hot Swap SATA Mobile Rack Backplane - Dual Drive SATA Mobile Rack Enclosure for 3.5 HDD
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StarTech.com HSB220SAT25B 2 Drive 2.5in Trayless Hot Swap SATA Mobile Rack Backplane - Dual Drive SATA Mobile Rack Enclosure for 3.5 HDD
  • Color: Black
  • Mobile Rack Drives Support: Multi 2.5" Drives to 3.5" Bay
  • Mobile Rack Interface: SATA I/II/III
  • Specifications: Color Black Enclosure Type Aluminum Hot Swap Capability Yes
  • Model #: HSB220SAT25B
  •  
  • $84.99 
  • $9.90 Shipping
StarTech.com BRACKET125PTP 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - 5 Pack - Tool-less - Hard Drive Mounting Kit (BRACKET125PTP)
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StarTech.com BRACKET125PTP 2.5" SSD/HDD Mounting Bracket for 3.5" Drive Bay - 5 Pack - Tool-less - Hard Drive Mounting Kit (BRACKET125PTP)
  • Color: Black
  • Conversion Tray: 1 x 2.5" Drive to 3.5" Bay
  • Protection Case: Single Drive
  • Compatible Products: 2.5"
  • Model #: BRACKET125PTP
ICY DOCK MB153SP-B | 3 x 2.5"/3.5" SATA/SAS Hard Drive Backplane Cage in 2X External 5.25" Bay | FatCage
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ICY DOCK MB153SP-B | 3 x 2.5"/3.5" SATA/SAS Hard Drive Backplane Cage in 2X External 5.25" Bay | FatCage
  • Color: Black
  • Mobile Rack Drives Support: Multi 3.5" Drives to Multi 5.25" Bays
  • Mobile Rack Interface: SATA I/II/III
  • Protection Case: Multiple Drives
  • Model #: MB153SP-B
2.5 TO 3.5IN BRKT & SCREWS MUST ORDER
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2.5 TO 3.5IN BRKT & SCREWS MUST ORDER
  • Color: Black
  • Model #: SNA-BR2/35
  •  
  • $6.99 
  • $4.99 Shipping

Bestselling HDD / SSD Accessories Reviews:

Gabriel S.
10/6/2025 11:23:54 PM
great adapter

“ designed as a 2.5" wide 9mm thick drive adapter to hold SSD drives of any length, no screw design ssd drive length clip. ”

ICY DOCK MB703M2P-B ZConvert MB703M2P-B M.2 SATA SSD to 2.5" SATA SSD Converter Adapter
Connor H.
4/18/2025 9:30:19 PM
perfect

“ a simple hdd cage that can integrate into an existing system by locking down with the integrated latches or zip tied using the thoughtfully placed cut outs in the cage. ”

Phanteks PH-HDDKT_03 Stackable 3.5" HDD Bracket
Elizabeth K.
11/24/2024 2:25:59 PM
Perfect. Icy Dock as usual delivers a solid product.

“ Included screws: Slim ODD M2*4, 3.5" HDD #6-32*6, FDD/'3.5" device' M3*6 (narrow pitch), 'device' (bracket itself I think) M3*6 (wide pitch). ”

ICY DOCK MB343SPO FLEX-FIT Duo MB343SPO 5.25" Ext. Bay to 3.5" HDD / Device Bay + Ultra Slim ODD Bay Mounting Kit Bracket
tyger13us
8/28/2024 9:55:45 AM
fits perfect

“ If you need a 2.5 to 3.5 adapter cage this is the one to get, comes with power cables too.!! ”

StarTech.com BRACKET25X2 Dual 2.5” to 3.5" Hard Drive Bay Mounting Bracket - 2.5" to 3.5" HDD / SSD Mounting Bracket w/ SATA Power and Data cabling
Anonymous
7/19/2024 7:46:10 AM
Not made for SSD smaller SSDs.

“ otherwise, you must purchase an adapter to mount a smaller SSD. ”

ICY DOCK flexiDOCK MB830SP-B Tray-less 3 Bay Removable 3.5-inch SATA/SAS Hard Drive Docking Enclosure in 2 x 5.25-inch Optical Bay (w/ Cables)
Steven B.
1/16/2024 7:47:40 PM
I have purchased many

“ consistent build quality, most likely will even fit a 20mm z width server hard drive ”

ORICO Hard Drive Carrying Case Portable Protection EVA HDD Storage Bag for External 2.5 Inch Hard Drive,Earphone,U Disk,Black (PHM-25)
fbt
9/4/2023 11:53:58 AM
works, takes force

“ It fits a std hdd. ”

ORICO 5.25 Trayless Hot Swap Mobile Rack CD-ROM 3.5 inch Internal SATA Hard Drive SSD Adapter-1106SS
Vadym K.
5/31/2023 12:54:45 PM
Works as expected.

“ and replace HDD any time in just a few seconds. ”

ORICO 5.25 Trayless Hot Swap Mobile Rack CD-ROM 3.5 inch Internal SATA Hard Drive SSD Adapter-1106SS