Internal UDD25 for 2.5" and 1.8" HDD/SSD

This Internal UDD25 is designed for READ/WRITE access to both 2.5" and 1.8" SATA HDD or SSD.  Comes bundled with a 1.8" SATA - 2.5" SATA HDD adapter (AD18M25S), any 1.8" or 2.5" SATA HDD or SSD can be inserted into this internal UDD25 just like a tape cartridge. As a matter of fact, literally any storage media that are in a standard 2.5" drive form factor with SATA connector can become a storage media for this Addonics UDD25. Designed to mount directly into a standard 3.5" drive bay, this internal UDD25 can be connected to a Desktop, Server or computing equipment via a SATA or the ubiquitous USB 3.0 / 2.0 port.

There is also a READ only version of the internal UDD25 that blocks all the WRITE functions to the media, an ideal solution for forensic application or for protecting the storage media from virus attack and any accidental change of the content. For more information, please visit the Internal UDD25 READ only page.

Features illustration of the Internal UDD25 for micro SATA drive



Note: only the 1.8" micro SATA - 2.5" SATA HDD adapter is included in this Internal UDD25 for micro SATA drive. Other adapters and media shown in the diagram are for illustration purpose and are not part of the package. 


The Internal UDD25 may also be used to READ/WRITE to M2, mSATA, CFast, CF, slim SATA SSD using the following optional adapters:

Show with media side facing up 

M2 card in 2.5" M2 drive
kit (AD25M2SSD-E)

mSATA SSD in 2.5" mSATA
drive kit (AD25MSD-E)

CFast card in 2.5" CFast
drive kit (AD25CFASTD-N)

CF card in 2.5" CF drive kit

Slim SATA SSD 2.5" HDD
adapter (AA25SEMBK)

  • Read/Write to standard 2.5" SATA HDD/SSD up to 9 mm height
  • Include the 1.8" micro SATA - 2.5" SATA HDD adapter (AD18M25S) for READ/WRITE to 1.8" micro SATA HDD/SSD
  • READ/WRITE to M2, mSATA, CFast and CF card using optional Addonics 2.5" flash drive kit
  • Connect to system via SATA or USB 3.0/2.0 port
  • Media can be insert or removed like using a floppy disc without restarting the computer (SATA connection requires SATA port that supports hot swap feature. All Addonics SATA controllers support hot swapping)
  • Mount into any standard 3.5" drive bay or 5 1/4" drive bay with optional mounting bracket (AAMK53)
  • Support SATA 1, 2 and 3.0 speed*, up to 6 Gbps data transfer when connecting to SATA 3.0 port
  • Support USB 3.0 and 2.0 speed*, up to 5 Gbps data transfer* with USB 3.0 connection
  • Comes with all necessary cables:
    • high performance SATA cable (AAHPISC18) 
    • USB 3.0 male A to internal USB 3.0 header cable (AAU3AMH) 
    • USB 2.0 male to USB 5-pin male header cable (AAUSB51M) 
    • USB 2.0 pin header cable (AA5PUSBCL-3F) 
  • Power from USB port, or PC power supply
  • Complete Plug and Play, no software driver to install
  • Media can be used as a boot device
  • Compatible with Windows 10, 8, 7, Me, XP, all versions of Windows Server, Mac 9.0 and later release, Linux kernel 2.4 and later


*Note: Maximum data transfer rate depends on the speed of the storage media

  • Drive slot accommodates drive thickness up to 9.5 mm
  • Include the 1.8" micro SATA - 2.5" SATA HDD adapter (AD18M25S) for READ/WRITE to 1.8" micro SATA HDD/SSD
  • Device interface connectors: SATA and USB 3.0 type A female
  • Combo LED for power and drive access
  • Powered from USB port or via a small 4P molex power connector
  • Dimension (W x L x H): 101 x 127 x 25 mm (3.98 x 5 x .98 in.)
  • Weight: 200 g (7.05 oz.)
  • Operating temperature and humidity: 0 - 65° C, 5 - 90 %RH
  • Storage temperature and humidity: -20 - 75 ° C, 0 - 95 %RH (non-condensing)


UDD25SU3-M - (Internal UDD25 for micro SATA drive)
Content: Internal UDD25 with SATA / USB 3.0 connection, 1.8" micro SATA - 2.5" SATA HDD adapter (AD18M25S), 18" high performance SATA cable (AAHPISC18), 24" USB 3.0 male A - USB 3.0 header cable (AAU3AMH), 18" USB 2.0 A male - 5-pin header male cable (AAUSB51M), 1M USB 2.0 female pin header cable (AA5PUSBCL-3F), user guide.
Price: 65.00


AAU3AMH (USB 3.0 male A - header male cable, 18")
Content: 18" USB 3.0 type A male to USB 3.0 header cable
Price: 8.99
AA5PUSBCL-3F (3' USB cbl, female pin header both ends)
AA5PUSBCL-3F USB 5-pin header to 5-pin header 3 feet cable. Suitable for connecting any device with USB 5-pin header connector to 5-pin header connector on system board.
Price: 1.99
AAUSB51M (USB adapter cable to standard USB port)
AAUSB51M connecting cable for Internal USB 2.0 DigiDrive , AEIDMDU2 or AEIDMDU2B, to standard USB output connector.
Price: 2.00
AAHPISC18 (High performce 18" internal SATA cable)

AAHPISC18     Content:  High Performance 18" internal Serial ATA data cable

For more detail, visit product web page

Price: 3.50
AD25M2SSD-E (2.5" M2 Flash drive kit PRO)
Content: 2.5" M2 (NGFF) SSD drive kit with easy media installation or removal design
Price: 24.95
AD25MSD-E (2.5" mSATA flash hard drive kit PRO)
Content: 2.5" mSATA flash memory hard drive kit for standard mSATA and mSATA mini (half size) SSD
Price: 24.95
AD25CFASTD-N (2.5" CFast HDD kit, open end, black )
Content: 2.5" CFast hard drive kit with open end black color bracket for easy media nstallation, user guide.
Price: 24.95
AD25CFD-N (2.5" CF HDD PRO, easy media insertion and removal, black color)
Content: 2.5" CF hard drive kit with a half open-end black color bracket for easy media installation.
Price: 26.95
AD18M25S (1.8" micro SATA - 2.5" SATA HDD adapter)
Content: 1.8" micro SATA - 2.5" SATA HDD adapter,
Price: 19.00
Applies to: UDD25SU3-M

- Internal UDD25 for micro SATA drive