Can this power a 3.5" HDD? Is USB 3.1 enough power?

It was the "Surface" slabs that I first saw with only the one single oval USB cord, data and many watts of power combined. The industry calls it "USB-C with P.D.", but 2020 or later I expect to wait for the first of these "readers" that spin up the motor in a BlURay or mutli-terabyte H.D. by USB...all of those motors 12Volts

Can an SSD actually take advantage of the USB 3.1 @ 10Gb/s, or is it still limited by the SSDs interface of SATA III @ 6Gb/s?

If the interface on the SSD is SATA, then it will have to perform within SATA specifications for protocol, signalling, etc. Unfortunately it will be limited by the SATA interface regardless of the adapter you use.

will this sata to usb adapter work with an optical drive?

No. It will fit desktop drives (ODs & HDDs), but USB ports do not provide the 12-volt power they require to operate. Laptop drives and SSDs run on 5-volt power. It will NOT fit laptop ODs as those omit the 12-volt pins, thus the power connector is smaller.

How long is the cable?

The specifications tab says 20.3" and that is right.

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StarTech.com USB312SAT3CB USB 3.1 (10Gbps) Adapter Cable for 2.5" SATA SSD/HDD Drives - Supports SATA III (6 Gbps) - USB Powered

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Option: USB 3.1

2.5in HDD/SSD
USB 3.1
USB 3.1 & USB C

Connect a 2.5" SATA SSD/HDD to your computer using this USB 3.1 Gen 2 (10 Gbps) ultra-portable adapter cable
USB 3.1 to SATA adapter for 2.5" SATA SSD/HDD Drives
USB SATA Adapter / SATA to USB 3.1 Gen 2 Converter / USB 3.1 to SATA Adapter / USB 3.1 to SATA III Converter / HDD SSD Adapter Cable
Supports SATA III (6 Gbps)
Powered directly from the USB port
UASP support
Backward compatible with USB 3.0, 2.0 and 1.x

Overview

Specs

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Connect a 2.5" SATA SSD/HDD to your computer using this USB 3.1 Gen 2 (10 Gbps) ultra-portable adapter cable - USB 3.1 to SATA adapter for 2.5" SATA SSD/HDD Drives - USB SATA Adapter / SATA to USB 3.1 Gen 2 Converter / USB 3.1 to SATA Adapter / USB 3.1 to SATA III Converter / HDD SSD Adapter Cable - Supports SATA III (6 Gbps) - Powered directly from the USB port - UASP support - Backward compatible with USB 3.0, 2.0 and 1.x.

Best Seller Ranking	#14 in USB Converters

Model
Brand	StarTech.com
Model	USB312SAT3CB

Details
Type	USB to SATA
Color	Black
Cable Length	2.5"
Specifications	Drive Connectors 1 - SATA Data & Power Combo (7+15 pin) Receptacle Host Connectors 1 - USB 3.1 USB Type-A (9 pin; Gen 2; 10 Gbps) Male Bus Type: USB 3.1 Gen 2 Chipset ID: ASMedia - ASM1351 Compatible Drive Types (Type and Rate): SATA Drive Size: 2.5in Interface: USB 3.1 Gen 2 Number of 2.5 inch bays: 1 Number of Drives: 1 Hot Swap Capability: Yes Max Drive Capacity: Currently tested with hard drives up to 2TB at 7200 RPM Maximum Data Transfer Rate : 10 Gbps Type and Rate: USB 3.1 Gen 2 - 10 Gbit/s UASP Support: Yes

Connectors
Connector A	1x USB 3.1 Gen 2 male
Connector B	1x 2.5in SATA III

Features
Features	Easily access and backup data from a SATA drive to your PC or laptop USB 3.1 (10 Gbps) Adapter Cable for 2.5in and 3.5in SATA SSD/HDD Drives Supports SATA I, II, III Tool-free cable-style adapter for quick access to external data SATA drive adapter with integrated 1m cable Fast data transfer rates through USB 3.1 Gen 2 (10Gbps) Hot-swap and plug-and-play support UASP support

Dimensions & Weight
Weight	0.12 lb.

Group
Option	USB 3.1
Color	Black

Additional Information
First Listed on Newegg	November 13, 2015

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StarTech.com USB312SAT3CB USB 3.1 (10Gbps) Adapter Cable for 2.5" SATA SSD/HDD Drives - Supports SATA III (6 Gbps) - USB Powered

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Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

Item#: N82E16812400693

Best Sellers

StarTech.com USB312SAT3CB USB 3.1 (10Gbps) Adapter Cable for 2.5" SATA SSD/HDD Drives - Supports SATA III (6 Gbps) - USB Powered

Learn more about the STARTECH USB312SAT3CB

Customer Reviews of the STARTECH USB312SAT3CB

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info