Cateck Ultra-thin Premium Aluminum 3-Port USB 3 0 Hub with SD TF Card Reader Combo Exclusively Designed For iMac Slim Unibody (Upgraded Version)
  •  ★Ultra-thin Upgraded Version: Long-lasting premium aluminum material designed to complement Apple products. No more banding yourself to strange angle just for plugging a USB device onto your iMac.
  • ★Brings three more USB ports and SD/TF card readers to the front side. Supports SD, SDXC (up to 2TB), SDHC, Micro SD, Micro SDXC, Micro SDHC cards.
  • ★Super-speed USB3.0 ports save on syncing time with data transfer rates of up to 5 Gbps. Backward compatible with USB 2.0 / 1.1 specifications.
  • ★Anti-slip rubber sleeves for complete stability can protect your iMac from scratches; Blue LED indicator reveals the power status; Built-in surge protector safeguards your devices; Easy to set up. Plug & Play, Hot-Swappable.
  • ★Exclusively designed for the iMac Slim Unibody model released November 2012 or later. (21 inch / 27 inch / 5K); Operating system compatible with OS X 10.6 & higher, Windows 98SE /ME /2000 /XP /Vista /7/8 /10, Linux 2.4 or above.
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Product Description

Cateck ultra-thin premium aluminum 3-Port USB 3.0 hub with SD/TF card reader combo is exclusively designed for iMac. It adds three USB 3.0 ports and SD/TF card reader slots to the front side of your iMac. There is no more need to twist cables to get to the ports vertically. Now you can easily access USB ports and additional 2 slots card reader at an ergonomic angle! Its sleek aluminum design the perfect complement to your iMac computer. It does not require any software or complicated installation process. With a slim design, it saves you precious desktop space.

Please Note: It is exclusively designed for iMac released November 2012 or later. (21 inch/ 27inch/ 5K)


• Ultra-thin with long-lasting premium aluminum material
• Adds three USB 3.0 ports and SD/TF card reader to your computer
•Supports SD, SDXC (up to 2TB), SDHC, Micro SD, Micro SDXC, Micro SDHC cards
• Blue LED indicator reveals the power status
• Saves on syncing time with data transfer rates of up to 5 Gbps 
• Compatible with USB 2.0 and 1.1 specifications. 

System requirements

• Mac OS X 10.6 & higher
• Windows 98SE /ME /2000 /XP /Vista /7/8 /10
• Linux 2.4 or above

Package contents

• Cateck Aluminum USB 3.0 Hub with card reader combo 
•Welcome Guide

Usage Alerts

• 2.4Ghz wireless devices, such as wireless keyboard and mouse adapters, may not work in close proximity to USB 3.0 devices or hubs. Connecting to a USB 2.0 port is recommended. 
• This hub is not designed to serve as a standalone charger and will not charge an iPad tablet or any other device with non-standard charge requirements. 
• For a stable connection, the devices connected to the 4-Port USB 3.0 Hub must not exceed a combined current of 5 volts 900 mAh. External hard-drives should be connected to an external power source. 
Make every effort to solve your doubt
+ Does this thing block the air flow since it appears to cover the vents on the bo

1. I haven't noticed that it does. I'm very happy with this item.
2. The iMac has about 12 vents, and this blocks two. I've noticed no increase in operating temperate, and I monitor for that.
3. Please don’t worry about it. It's designed in a way so that only a small portion of the vent is blocked, the part that is inserted doesn't take up the whole vent. Also, the top face of the Hub is not flush with the iMac so there is still room for circulation.

+ Does it work with the latest 2015 5K iMac model?

1. I purchased my IMac from Best Buy and it works fine. The SD card slot is shallower than most slots but it works great 5 out of 5
2. Yes work very well
3. Yes it does, source= I have a 2015 5k Imac

+ air flow?

This is an additional USB port. It does not produce air. It has one USB plug that goes into a port and creates 3 plus memory card readers. Excellent for computers that lack the much needed additional ports.