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

Product ID: 162500382

Details

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

⚡5Gbps data transfer

🔌10 USB 3.0 ports

❄️Built-in cooling fan

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Description

🚀 Power up your productivity with Sipolar’s 10-port USB hub—because your devices deserve the fast lane!

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 connectivity.
BLAZING FAST TRANSFERS - Experience data transfer speeds up to 5Gbps—10x faster than USB 2.0, so your HD files move in seconds.
STAY COOL UNDER PRESSURE - Integrated cooling fan and overload protection keep your devices safe during heavy multitasking.
POWER THROUGH PRODUCTIVITY - Robust 12V 10A power adapter ensures stable charging and simultaneous device operation without lag.

The Sipolar Powered USB Hub 3.0 features 10 USB 3.0 ports delivering ultra-fast 5Gbps data transfer speeds, supported by a powerful 12V 10A adapter. Its durable aluminum alloy build includes a built-in cooling fan and overload protection for safe, reliable multi-device connectivity. Compatible across major operating systems, this hub is the ultimate expansion tool for professionals demanding speed, safety, and seamless plug-and-play functionality.

Specifications

ASIN	B07Y9DJ84Q
Additional Features	Powered
Best Sellers Rank	#1,399 in USB Hubs
Brand	sipolar
Color	10 port usb3.0 120W
Compatible Devices	Card Readers, Desktops, Laptops, Printers
Customer Reviews	4.4 out of 5 stars 32 Reviews
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
Special Feature	Powered
Total USB Ports	10
Total Usb Ports	10

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B/.262

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In stock

Sold byAmazon PanamaDelivered 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 Panama.

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