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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Sipolar 10 Port USB 3.0 Hub, Industrial Powered Hub with 12V 10A Power Adapter

Product ID: 162500382

Details

Brand
sipolar
Color
black
Compatible Devices
Card Readers
Hardware Interface
USB
Special Feature
Powered

⚡120W total power output

🔌10 USB 3.0 ports

🚀5Gbps ultra-fast data transfer

S$164

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Description

🔗 Connect More, Do More — Power Your Productivity Like a Pro!

BLAZING FAST SYNC - Transfer HD movies and large files in seconds with lightning-fast 5Gbps data rates.
COOL SAFE OPERATION - Built-in cooling fan and advanced overload protection keep your devices secure and running smoothly.
EXPAND YOUR WORKSPACE - 10 high-speed USB 3.0 ports to connect all your essential devices seamlessly.
PLUG PLAY DOMINATE - Universal compatibility with Windows, Mac, Linux and effortless plug-and-play setup—no drivers needed.
POWER THROUGH PRODUCTIVITY - Robust 120W power supply delivering up to 2.1A per port for rapid charging and stable performance.

The Sipolar A-423 is a premium 10-port USB 3.0 hub delivering 120W total power and 5Gbps data transfer speeds. Designed with a durable aluminum alloy body and built-in cooling, it supports simultaneous charging and syncing of multiple devices safely. Compatible across major operating systems, it’s the ultimate hub for multitasking professionals seeking fast, reliable connectivity.

Specifications

ASIN	B07Y9DJ84Q
Additional Features	Powered
Best Sellers Rank	#1,153 in USB Hubs
Brand	sipolar
Color	black
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
Item Highlight	10 USB 3.0 ports with 120W power, up to 2.1A per port and 5Gbps data for repair, testing and multi-device workstations
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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S$164

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered 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 SINGAPORE.

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Fast, free shipping, member pricing & priority support.

Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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