Does the ac adapter work in japan (100v)?

AC adapter works with 100v, grounded outlet.

Can you connect another usb hub to the usb ports?

Your question probably could be simply answered yes. But the real answer is why and what will happen. You plug this into a single 3.0/1 USB port to connect to the computer. It can only pass so much data and it cannot double that data or anything else. So attaching another Sipolar hub might work, but you will not get the result you expect. Better to plug it into ANOTHER 3.0/1 USB on the computer. Daisy chaining them really is not a great idea at all. Not even for charging lots of mobile phones are other computer batteries. But on their own USB ports on the computer will give you what you want, I think. Somewhere in my foggy memory I think most computers can support 20 usb ports without a problem. However, once again, remember that each port on its own only supports so much. If you are trying to put a bunch of ASIC USB miners together, it might just work on a daisy chain. But you also have to remember power. The unit is 12v 10 amp, and if you are pushing those miners you will have to give them more power. I think they want 2.5amp so you need to get a more powerful power supply to jam 10 in each one. Hope that helped.

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Powered USB Hub 3.0, Sipolar 10-Port USB Hub with 12V 10A Power Adapter, Multi USB Port Expander Fast Data Transfer USB Data Hub Splitter for Laptop, PC,Mobile, Mobile HDD, Flash Drives

Powered USB Hub 3.0, Sipolar 10-Port USB Hub with 12V 10A Power Adapter, Multi USB Port Expander Fast Data Transfer USB Data Hub Splitter for Laptop, PC,Mobile, Mobile HDD, Flash Drives

Product ID: 162500382

Details

Brand
sipolar
Color
10 port usb3.0
Compatible Devices
Card Readers
Hardware Interface
USB
Special Feature
Powered

⚡5Gbps blazing fast data transfer

🔌10 USB 3.0 ports for ultimate expansion

❄️Built-in cooling fan for safe operation

962 Lei

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Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔗 Connect More, Do More — Power Your Productivity!

EXPAND YOUR WORKSPACE - 10 high-speed USB 3.0 ports to connect all your essential devices seamlessly.
PLUG PLAY DOMINATE - Universal compatibility with Windows, MacOS, Linux—no drivers needed, just instant productivity.
POWER THROUGH YOUR DAY - Includes a robust 12V 10A power adapter delivering 5V/2.1A per port for simultaneous charging and data syncing.
STAY COOL UNDER PRESSURE - Integrated cooling fan and overload protection keep your hub and devices safe during heavy multitasking.
TRANSFER AT LIGHTNING SPEED - Experience data transfer rates up to 5Gbps—10x faster than USB 2.0, so your files move as fast as your ideas.

The Sipolar Powered USB Hub 3.0 is a premium 10-port USB expander designed for professionals who demand speed and reliability. Featuring ultra-fast 5Gbps data transfer, a powerful 12V 10A adapter for simultaneous device charging, and built-in cooling for safe operation, it’s compatible across all major operating systems and perfect for expanding your laptop or PC connectivity with zero hassle.

Specifications

ASIN	B07Y9DJ84Q
Additional Features	Powered
Best Sellers Rank	#1,136 in USB Hubs
Brand	sipolar
Color	10 port usb3.0 120W
Compatible Devices	Card Readers, Desktops, Laptops, Printers
Customer Reviews	4.4 4.4 out of 5 stars (33)
Data Transfer Rate	5 Gigabits Per Second
Enclosure Material	Metal
Hardware Interface	USB
Manufacturer	Shenzhen Lpsen Technology Co., Ltd.
Mfr Part Number	DH112257
Model Number	A-423
Number of Ports	10
Operating System	Linux, Windows 10, Windows 8, Windows Vista
Total Usb Ports	10

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962 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Romania.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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