Is this hub able to work at all without the power supply? If i only need to use 1 or 2 of the ports?

Definitely no! Without power it's totally dead - like a stone! You must connect it to power and then you can expect it to work - if there is no anything other wrong. If you don't want to use power, you can check another model - http://www.amazon.com/Anker%C2%AE-4-Port-Portable-Aluminum-2-Foot/dp/B00IJ331WY/ref=sr_1_2?ie=UTF8&qid=1416424283&sr=8-2&keywords=anker+usb+3.0+hub. It has only 4 ports and cannot charge devices, but it's more compact and doesn't power connection at all.

Does this unit also plug in directly to an electrical outlet (so it can act as a charging "hub")?

Yes. There's also one USB plug that is only for charging, no data.

can all seven ports be used for data transfer, or are some for charging only?

Have not tried to use all 7 ports. Paraphrased from mini welcome guide: "Use DC power adapter...and use the USB 3.0 type B cable to connect the hub to your computer. You may now connect any devices to the hub for data transfer or charging."

why are hubs so expensive past 4 port? I don't see anything about them that really justifies the price.

These devices are not just splitters, they have to have circuitry to route the signals. More ports = more circuitry = higher cost. USB 3.0 devices are still at a premium compared to USB 2.0. If you don't need the increased speed of USB 3.0, USB 2.0 hubs are cheaper. You could also use 2 smaller hubs if you have the ports available.

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Anker Powered USB Hub for Laptop, 7 Ports USB 3.0 Data Hub, with 36W Power Adapter and BC 1.2 Charging Port for iPhone 7/6s Plus, iPad Air 2, Galaxy S Series, Note Series, Mac, PC, USB-Flash Drives

Product ID: 19042139

Details

Brand
Anker
Color
Black
Compatible Devices
Smartphones
Hardware Interface
USB 3.0
Special Feature
Play Plug

⚡36W power adapter for stable charging

🔌7 ports including BC 1.2 fast charging

🚀5Gbps USB 3.0 SuperSpeed data transfer

$206.87

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Description

🔗 Connect More, Charge Faster, Work Smarter!

COMPACT PORTABLE - Palm-sized and featherlight (2.9oz), this hub fits effortlessly into your mobile office setup.
LIGHTNING FAST SYNC - Experience blazing 5Gbps USB 3.0 data transfer speeds that keep your workflow seamless.
PLUG PLAY SIMPLICITY - No drivers needed—just connect and go on Windows and Mac OS for instant productivity.
POWER UP WITHOUT PAUSE - 36W high-grade power adapter ensures steady, reliable charging for all your devices.
ALL IN ONE CONNECTIVITY - Expand your laptop with 7 USB ports, including a dedicated BC 1.2 charging port for rapid device power-up.

The Anker 7-Port USB 3.0 Hub combines ultra-fast 5Gbps data transfer with a powerful 36W adapter, delivering seamless connectivity and rapid charging in a compact, portable design. Perfect for professionals needing to expand their laptop’s USB capabilities with plug-and-play ease and reliable performance.

Specifications

ASIN	B014ZQ07NE
Additional Features	Play, Plug
Best Sellers Rank	#341 in USB Hubs
Brand	Anker
Color	Black
Compatible Devices	Smartphones, USB Flash Drives, Tablets, Desktops
Customer Reviews	4.5 4.5 out of 5 stars (12,351)
Data Transfer Rate	5 Gigabits Per Second
Enclosure Material	Plastic
Hardware Interface	USB 3.0
Item Dimensions L x W x H	4.3"L x 1.7"W x 0.9"H
Item Weight	11.36 ounces
Manufacturer	Anker
Mfr Part Number	AK-68ANHUB-BV7A-0004
Minimum Required Operating System Version	Mac OS X 10.2 Jaguar
Model Number	AK-68ANHUB-BV7A-0004
Number of Ports	7
Operating System	Mac
Total Usb Ports	7
UPC	848061071467 848061077643
Warranty Description	18-month warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$206.87

Duties & taxes included

In stock

Sold byAmazon Northern Mariana IslandsDelivered 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 Northern Mariana Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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