Lots of bad reviews is it as good as people say?

I'm using two of these Startech USB 3.1's at the same time with 16TB and 18TB HDDs in them for a total of 4 drives without any problems.

I have a HD with unreparable bad sectors but still running. If I want to replace the HD, is this the best way to go? No need to by new OS?

If by unrepairable you mean SMART Current Pending Sector then offline duplication is NOT recommended. Tested on SDOCK2U33RE with a 1.5TB drive w/ 6 reported errors the duplication was still at 0% after 24 hours. Also be advised this model is NOT capable of retrieving SMART data over USB (newer chipset than older models). You're going to have to use ddrescue or such.

Can I use as docking station

I had the same question. Yes, it can be used as a dock, both bays functioning at the same time with hard drives in each bay. But be advised that this unit cannot actually achieve the advertised 10Gbps speeds -- even if using 2 SSDs in RAID 0 -- because this unit only has a single SATA III controller for both drive bays, which caps the total access speed at 6Gbps.

Can I clone a Samsung 970 evo to any other m2 ssd (intel, hp, ect)?

No, SDOCK2U313R supports 2.5" & 3.5" SATA SSD/HDD drives not NVMe based SSDs such as the Samsung 970 Evo. Atha, StarTech.com Support

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⚡ Double the drives, double the speed — duplicate like a pro!

DUAL DRIVE POWERHOUSE - Clone or access two 2.5/3.5-inch HDDs at once, maximizing your productivity.
BLAZING FAST TRANSFERS - Experience ultra-high 10 Gbps USB 3.1 speeds for lightning-quick data duplication.
PLUG PLAY SIMPLICITY - Effortless setup with universal compatibility for laptops, desktops, and PCs.
SLEEK PORTABLE DESIGN - Compact and lightweight (just 508g) for seamless desktop or on-the-go use.
RELIABLE STAR TECH QUALITY - Built with trusted 36W power efficiency and robust construction for professional-grade durability.

The USB 3.1 HDD Duplicator Dock (model SDOCK2U313R) by StarTech.com is a compact, dual-bay device designed for fast and efficient cloning or data transfer of 2.5 and 3.5-inch hard drives. With blazing 10 Gbps USB 3.1 connectivity, it supports simultaneous operation of two drives, making it an essential tool for IT professionals and power users seeking reliable, high-speed storage duplication.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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TrustScore 4.5 | 7,300+ reviews

Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Item Weight	0.51 Kilograms
Memory Storage Capacity	28 GB
Compatible Devices	Laptop, Desktop, Personal Computer
Hard Disk Form Factor	2.5 Inches
Max Number of Supported Devices	2
Data Transfer Rate	1E+10 Bits Per Second
Global Trade Identification Number	00065030863551
Manufacturer	STARTECH.COM
UPC	065030863551
Form Factor	3.5-inch, 2.5-inch
Item Height	2.8 Inches
Item Width	5.2 Inches
Product Dimensions	14.22 x 13.21 x 7.11 cm; 508 g
Item model number	SDOCK2U313R
Processor Count	1
Voltage	12 Volts
Wattage	36 Watts
Are Batteries Included	No
Item Weight	508 g

USB 3.1 HDD Duplicator Dock

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