What is the maximum data transfer speed supported by this USB 3.0 to SATA adapter?

The maximum data transfer speed supported by this USB 3.0 to SATA adapter is 6 Gbps.

Does the adapter require an external power source when used with a 3.5" hard drive, or is it powered solely via the USB 3.0 connection?

The adapter requires a 12V/2A power adapter for 3.5'' HDD.

Is this ESTONE adapter compatible with both 2.5" and 3.5" SATA HDDs and SSDs from all major brands like WD, Seagate, Toshiba, Samsung, and Hitachi?

Yes, the ESTONE adapter is compatible with both 2.5" and 3.5" SATA HDDs and SSDs from major brands like WD, Seagate, Toshiba, Samsung, and Hitachi.

Questions & Answers: ESTONE USB 3.0 To Sata Adapter Converter Cable 22pin SataIII To USB3,0 Adapters For 2.5"3.5" Sata HDD SSD High Quality for WD, Seagate, Toshiba, Samsung, Hitachi-Black

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ESTONE USB 3.0 To Sata Adapter Converter Cable 22pin SataIII To USB3,0 Adapters For 2.5"3.5" Sata HDD SSD High Quality for WD, Seagate, Toshiba, Samsung, Hitachi-Black

Features:
Adpter SATA III USB 3.0 Cable External Hard Drive USB to Serial ATA 22pin Converter Hard Disk 6 Gbps for 2.5"""" and 3.5"""" HDD/SSD.
This USB 3.0 to SATA Converter Cable connects any standard 2.5 or 3.5 inch SATA Hard Drive or Solid State Drive (SSD) to a computer through USB 3.0 ports. It's a ideal for you to backup files or upgrade your notebook hard driver.
Easy and quick access to external storage;
Fully compatible with USB 3.0 and backwards compatible with USB 2.0/1.1;
Plug and play,hot-swapping;
Comply with serial ATA2.0 standards.
Compatible with USB port (1.0,1.1 &2.0) & SATA Hard disk (1.5 GB/S & 3 GB/s).
Wide Compatibility
* Compatible with 2.5 ''/3.5 '' HDD, SSD.
* Compatible with Windows 98, 2000, XP, Vista, 7, 8, 10 and Mac OS X.
* Compatible with PS4, connecting 2.5 ''/3.5 '' HDD working as a expansion. Note: Please connect 12V/2A power adapter for 2.5 ''/3.5 '' HDD

$19^.99 –