Pros: Windows 7 found the card, and a quick test showed that a file transfer from an external hard drive took less than half the time as with USB 2.0 Then in a quick test with Linux Mint 17.1, the same file transfer took less than a third of the time as with USB 2.0. Tried a couple other Linux distros, but they didn't find the card. Go Mint! Card does what it promises, a nice inexpensive upgrade to a laptop that lacks USB 3.0.

Cons: None.

Pros: Good idea, I bought this originally for my Lenovo T510 to add USB 3 since I have several USB 3 flash drives. When it works the speed is excellent and fairly close to the built-in ports on my desktop (100mbps seq read). Sits flush with side of laptop. Has port to supply extra power.

Cons: When inserting a usb connector it pushes the card in and then makes it want to pop out. When removing a flash drive it will rip the card out of the expresscard slot. 90% I can't even get a flash drive to be detected by this card even though the card is displaying in device manager with no problems and latest firmware and driver. I think this is a physical issue though. The port is really tight and the outside is basically just like the edges of some sheet metal. It is nearly impossible to get most of my devices to plug in, though my phone cable slides in easier. Also, though this is not terribly accurate, I tried using included cable to provide more power. My phone did not show that it was getting anymore power when I had the USB A connector of the auxiliary power cable plugged into my computers USB port. It showed about 100mA. Then I tried plugging it into a USB phone charger-no change.

Overall Review: I basically have never used this card since I had never really been able to get it to work. I purchased it so it would be flush with the side of my laptop and I could leave it in. Now I wish I would have bought a 2 port card. Despite adding the extra bulk, I think it would actually work due to having the extra plastic to keep the card from popping out when inserting a device and it would allow you to hold onto something when removing. Oh, I have also tried using it in my T430 to add a third USB 3 port with the same results. Get the two port and plug it in when you need it--at least it will work.

Pros: Great Transfer Speeds Instals on Windows 7 without Driver (for me At least)

Cons: Does not sit 100% flush in the laptop, not Star Tech's Fault, it probably HP's, it sticks out maybe 1/8th of an Inch. Every Time you pull out a USB Drive from it, it Slides out with it, then you got to push it back into the spring (Still 5 Eggs)

Overall Review: Works with an HP Elitebook 2540p for those who want to know

Pros: I just ordered the card for my 2 laptops. I filled my 2T drive with 1T of data using the slow USB2(25/mbs). This card took it up to 125/mbs. I did not need the extra power cord. So it gave me an extra USB port.

Cons: none

Overall Review: I have a Dell M6400 and a Lenovo Thinkpad W520.

Pros: USB 3.0 speed port that supports high power draw devices. Easy setup.

Cons: 1) USB port is way too thin and tight. 2) Pops out of the slot because of 1) 3) Requires an external power source to run. 4) No USB Super Speed.

Overall Review: I bought this to make use of the USB 3.0 speed for my new External HDD, The drivers installed fine. I didn't get recognition of my External HDD at first, then I plugged in the external power USB, and then it functioned at a maximum transfer speed of 60MB/s or 400mbps for 1.4TB of data transfer. Thus, if you're looking for SuperSpeed, you're not going to get it. My guess is because ExpressCard itse'f won't go beyond 66MB/s on its bus transfer, so you're going to be restricted to this level of data transfer as well. The main gripe is actually the USB port itself is narrow enough to grip and clamp on to your cable. Good thing for a robusts connection where you aren't fiddling with it to see if the pins are contacting. Bad thing is that you'll yank the ExpressCard itself when you want to pull the cable out. The other is that it will only function with an external USB power source. Unless you got lower power devices like USB sticks (Haven't tested these), you're always going to need another USB port dedicated to the port. So essentially you are not expanding your number ports, but converting 1 to USB 3.0. Liveable, but not optimal for an "expansion card." If you are using an external USB charger (mobile phone chargers), then you'll have +1 port, while requiring 2 AC plugs, and an extension USB cable. I'd better suggest using the 2 port USB 3.0 by Startech that sticks out of the ExpressCard if you want to expand even +1 (+2 if you use 2 AC plugs). Overall, it does the job, but I'll still be looking for a good USB 3.0 ExpressCard.

Pros: usb 3.0. I get speeds upwards of 80mb/s second. works without driver update. plug and play.

Cons: none

Overall Review: the individual complaining of not enough power must understand the power output of an express card is lower as the card itself uses more power and has less to spare for the usb port. for those of you concerned about that the card comes with a USB cable that can plug into another USB port and can then be connected through the little circle plug on the card. this increases the power output for larger USB 3.0 devices.

Pros: I resurrected an old Sony VAIO for use at work due to a change in policy and the cellular hotspot wasn't performing well with the original USB 2.0 ports. This adapter lets an old timer laptop get much better speeds without bogging down the system. It was detected by Linux (in this case, Mint 19.2) immediately and worked right out of the box. As a PC Card, it can be inserted and removed hot and the OS has no issues at all with removal. It just works, which is what I wanted and expected. I did realize that my laptop has an older Express slot that is limited to 2.5Gbps. Thus, not getting the full USB 3.0 performance is a problem with the laptop, not the card. You need the newer Express card version to get full performance out of this device. However, the performance is perfectly fine regardless. Thumbdrive transfers fly on this 10 year old rig.

Cons: The only real "con" is that the card is easily removed even in the "inserted/locked" position. This ordinarily is a feature, not a bug, as it prevents damage to the slot. However, the USB port is fairly tight, making a common event. I use my finger to hold the card in place while removing thumbdrives or USB cables. Fortunately, Linux doesn't seem to mind at all and I've never had a crash or reboot due to this. It also doesn't sit flush on any of the machines I've used it with - it sticks out about a millimeter. This isn't terrible, and I haven't snagged it on my laptop bag, but if flush is a must, this one is close, but not quite. Also, and this isn't a con with the card itself, Express slots don't provide much power. For what I use it for (Thumbdrives or a cellular hotspot) this isn't an issue. However, larger bus-powered drives will require power from another port. The included cable is a bit short, but it is really intended to borrow power from a nearby USB 2.0 port. Keep in mind, no Express card USB device can can provide the full USB power output for charging or powering devices without assistance.

Overall Review: I would definitely recommend it if you need a USB 3.0 port in an older laptop. The card is fast, stable, and recognized by Linux. Once you get past the platform limitations, it's a great way to get a USB 3.0 port in machines that pre-date the standard, or just don't have enough of them. I have been very satisfied with it so far.

Pros: - Faster than USB2 - Flush with laptop slot

Cons: -USB flash drives pull the device out of the slot to easily, have to use finger to hold card in slot when pulling the flash drive -The particular laptop (Lenovo W510) I used will not boot with the card in the slot, just sits at the BIOS logo screen - "Super Speed" is very much dependent on the type of Express slot you own (but will still beat a USB2 hands down) - Only needed port power cord on larger drives

Overall Review: - Will test on other laptops - Uses Renesys USB3 CY series chipset