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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A-423 10-Port USB 3.0 Hub, 120W, 2.1A/Port, 5Gbps Charge & Sync

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

₩205854

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Description

🔗 Power, speed, and safety—hub your digital life like a pro!

BUILT TO PROTECT - Advanced cooling fan and overload protection keep your gear safe and cool.
EXPAND YOUR WORKSPACE - Seamlessly connect up to 10 USB devices—perfect for multitasking pros.
PLUG AND PLAY FREEDOM - Compatible across all major OS with effortless setup—no drivers needed.
SLEEK DURABLE DESIGN - Premium aluminum alloy housing with LED indicators for a modern, professional look.
BLAZING FAST SYNC CHARGE - Experience 5Gbps data transfer and 2.1A charging per port—no more waiting.

The Sipolar A-423 is a robust 10-port USB 3.0 hub delivering up to 120W total power and 2.1A per port, enabling ultra-fast 5Gbps data transfer. Designed with a built-in cooling fan and overload protection, it ensures safe, reliable multi-device connectivity. Its sleek aluminum alloy build and wide OS compatibility make it an essential upgrade for professionals managing multiple peripherals simultaneously.

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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₩205854

Duties & taxes included

In stock

Sold byAmazon South KoreaDelivered 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 South Korea.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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