Hey there! Thanks for checking out my Blackmagic UltraStudio Mini. This little guy is perfect for all of your cam to comp needs. This bad boy will allow you to stream HD cam footage directly to your rig via a thunderbolt connection. PLEASE NOTE CABLES ARE NOT INCLUDED. Check for deets below to geek out:

The Blackmagic Design UltraStudio Mini Recorder allows you to capture an SDI or HDMI camera signal and transfer it to your computer for editing and other applications. The Mini Recorder features SDI and HDMI inputs and a Thunderbolt output, and supports resolutions up to 1080p30 / 1080i60. The Mini Recorder also comes with Blackmagic Media Express software, which will let you accept and encode incoming footage as best fits your workflow.
Note: A Thunderbolt-equipped computer is required for inputting the signal into your computer. Thunderbolt and SDI/HDMI cables (not included) are also required.

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Ultra Portable Camera Capture Device
SDI and HDMI Inputs / Thunderbolt Output
Transfer Video from Cameras to Computers
Capture Live Feeds / Playback Feeds
Supports Signals up to 1080p30/1080i60
10-Bit Color Precision / 4:2:2 Sampling
Real Time Colorspace Conversion
Software Based Down Conversion

The "Capture" Aspect of a Capture and Playback Device
Connect to your camera by HDMI or SDI and output your footage to a computer by Thunderbolt to get the best quality footage possible into your editing system

3 Gb/s SDI Input
SDI input connection for decks, routers and cameras so you can record amazing quality 10-bit video in SD and HD

HDMI Input
HDMI input for amazing quality record direct from cameras, and set top boxes and gaming consoles

Thunderbolt Connection
Get blazing speeds for recording SD and HD up to 1080iHD