what's the different between the one with the external power adapter and the one without?

With my USB 3 Ports on my Acer TC-780 front panel ports, I can power all four ports with thumb drives. When I tried the same with a Dell U473D Slim Multimedia Keyboard with 2 USB Port I had to use the pawer supply that came with the HB-UMP3 4-port Powered USB hub. I would advise getting the powered hub because you don't know if your USB port will support enough devices without the power supply unit.

How many ports can I have active at one time, without overloading the single port of the computer?

actually, while you can theoretically link 127 devices, there is a limitation to the depth or hiearchy you can link hubs (which is 7). In many systems (particularly windows) you may find that the hub controller in the pc can consumer 2 or 3 of those tiers. While that's likely not an issue for most, I've run into a problem when I link a 7 port hub into a KVM switch -- I get an error message stating that the system can not see some devices (because the actual 7 port hub actually contains 2 usb controllers and the kvm switch contains 2 controllers). Suffice it to say -- this is a rare occurrence -- just don't daisy chain a bunch of 4 port hubs together if you run out of ports -- get a hub with more ports

How long is USB3 cable?

measured mine at about 1 meter. I really like this thing. The two red high-power only ports are oriented 180 degrees from the USB 3.0 ports so you physically can't mix them up either.

Will using a 7 usb 3.0 hub ultimately put next to no strain on my motherboard because power is being generated from the AC adapter?

I 5 Gigabyte Motherboard with powerful Intel processor, 16 Ram has moor paver than standard PC. I don't think the hub would help. However, some software might. I will look this up in the later date.

Sabrent 16 Port Usb 3 0 Data Hub And Charger

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Description

🔗 Power, speed, and control—hub your workspace like a pro!

STATUS AT A GLANCE - Blue LED indicators for each port keep you informed and in command.
MAXIMIZE CONNECTIVITY - 16 individual USB 3.0 ports with separate power switches for ultimate device control.
POWER UP EVERY DEVICE - 90W high-power output ensures simultaneous charging without compromise.
BLAZING FAST TRANSFERS - Experience super-speed data rates up to 5Gbps—no more waiting around.
PLUG PLAY SIMPLICITY - Hot-swappable and compatible across Mac, Windows, and Linux for seamless integration.

The SABRENT 16-Port USB 3.0 Data Hub and Charger (HB-PU16) delivers 16 super-speed USB 3.0 ports with individual power switches, supporting data transfer speeds up to 5Gbps and a total 90W power output. Compatible with USB 2.0/1.1 and major operating systems, it offers plug-and-play convenience with blue LED power indicators for each port, making it the ultimate solution for managing multiple USB devices efficiently.

Specifications

ASIN	B07KHRLSTT
Additional Features	Plug and Play, LED Indication
Best Sellers Rank	#297 in USB Hubs
Brand	SABRENT
Built-In Media	USB 3.0 20-Port Aluminum HUB
Color	Black
Compatible Devices	Desktops, Laptops, Most USB compatible devices.
Customer Reviews	4.4 out of 5 stars 1,612 Reviews
Data Transfer Rate	5 Gigabits Per Second
Enclosure Material	Aluminum
Global Trade Identification Number	00840025210714
Hardware Interface	USB 3.0
Item Dimensions L x W x H	8.8"L x 2.2"W x 1"H
Item Type Name	NETWORK-HUBS
Item Weight	241 Grams
Manufacturer	Merryking Enterprises (HK) Co Ltd
Mfr Part Number	HB-PU16
Model Number	MKI-1200800C8
Number of Ports	16
Operating System	Linux
Special Feature	Plug and Play, LED Indication
Total USB Ports	16
Total Usb Ports	16
UPC	840025210714
Unit Count	1.0 Count
Warranty Description	1 Year Limited

Reviews

D**E

15.04.2026

S**K

17.11.2025

P**R

9.01.2026

W**T

3.09.2025

K**R

10.06.2025

A**R

22.01.2022

K**N

26.04.2026

W**L

14.08.2025

F**G

7.10.2023

H**O

30.06.2020

R**A

2.12.2025

V**S

30.10.2023

A**A

21.09.2025

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

KD 35.83

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In stock

Sold byAmazon KUWAITDelivered 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 KUWAIT.

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SABRENT 16-Port USB 3.0 Data Hub and Charger with Individual Power Switches, 90W High-Power Output (HB-PU16)

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