![]() First, you have to make sure you have a free port available on your motherboard. Admittedly, I'm not particularly familiar with Mac's, so I would suggest looking in your computer manual. That NewerTech USB '3.1' card is a USB 3.0 card using the exact same USB 3.0 FL1100EX chipset that your KT4004 does, has the same top speed, the same wattage per port, the same number of ports, and the same types of USB connectors. Inateck Superspeed 4 Ports PCI-E to USB 3.0 Expansion Card - Interface USB 3.0 4-Port Express Card Desktop with 15 Pin SATA Power Connector, [ Include with A 4pin to 2x15pin Cable + A 15pin to 2x 15pin SATA Y-Cable ] (KT4001). Just note that you will probably be significantly limited in your bandwidth if you plan on populating all four USB 3.0 ports. One USB 3.0 has a maximum bandwidth of 5 Gbit/s, so that means the card could use up to 20 Gbit/s in total. A PCIe x1 port will provide 4 Gbit/s, so if the card is x1 then you will be bottlenecked by using even 1 of the four USB 3.0 ports. A PCIe x4 has four times the throughput as an x1, so 16 Gbit/s, which could still be a limitation. A PCIe x8 provides a 32 Gbit/s transfer rate. The only problem with this is that you are wasting 12 Gbit/s (which could give you 2 extra USB 3.0 ports), and x8 cards aren't very common. Just note that if you plan on using a USB 2.0 device(s) in the card you should be fine with even a PCIe x1, as one USB 2.0 uses about 1/10 of the bandwidth of USB 3.0 (500 Mbit/s, or 2 Gbit/s if all four ports are being used). In fact, you could probably cram 8 USB 2.0 ports into one PCIe x1 card (or 16 USB 1.0). Dunno exactly what you'll be using this capture device for, but you should know that HDMI cables use anywhere from 5 Gbit/s to 18 Gbit/s, so you could be severely limiting yourself by going with USB. (Although I believe that if you are only doing 1080p @ 60 Hz you will *barely* be fine). Biography for full specs. Product Description • Expansion of 4 ports USB 3.0 connections; No additional power supply for normal recognition and operation needed anymore, fast and easy installation, keeps your Mac Pro case tidy • Compatible System: Mac OS 10.8.2 to Mac OS 10.9.5. It is applicable to MAC Pro(Early 2008 to 2012 Late Version); Windows XP/Vista/7/8/10(32/64-bit). Incompatible with Mac OS X 10.10 Yosemite or Above • With easy installation, simple solution for your Mac Pro. Enjoy copying videos, music, photos, data files between USB devices and the computer at blazing fast speeds • SuperSpeed USB 3.0 supports transfer rates of up to 5Gbps - The actual transmission speed is limited by the setting of the device connected • Package: 1x USB3.0 PCI-E Expansion Card; 1x CD Driver; 1x User's Manual. Additional Information Due to frequently updated drivers, please download the latest version on our official website Inateck to enhance your using experience Features- No additional power supply for normal recognition and operation needed anymore, optimized board plane architecture, fast and easy installation, keeps your Mac Pro case tidy- With quick and easy installation, this PCI Express card expands your Mac Pro by four high-speed USB3.0 interfaces, offers a simple solution for connecting to USB 3.0 devices from your Mac Pro- Support UASP: 70% Faster than traditional USB 3.0 with UASP. The UASP Transfer Protocol only can accelerate read and write speed of SSD hard disk. Please Note The authorised South African distributor of this product is under no obligation to honour the manufacture's guarantees/warranties or to provide after-sales service.
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