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Pros: Laptop is LIGHT---I love it. The case nonetheless feels solid, it has four USB 3 ports, a nice Maxwell GPU, HDMI *and* VGA outputs. And for being this powerful and light-weight, the price is great.
Cons: I'm not sure what Windows 8.1 is doing, but every now and then the fans just spin up and make noise for a minute or two---that doesn't happen on Linux. Haven't figured out how to disable Optimus, so Oculus Rift demos are dog-slow. With a nice GPU like the GTX 965 in this thing, why on earth would I want to use integrated graphics? Also I'm having problems getting NVIDIA drivers to work on the Linux---all I get is a black screen when I try to boot into runlevel 5. This prevents me from using CUDA for computation, which is the real reason I bought this laptop. Also, on the Windows side, the wifi fails every time I restore from hibernation, the only solution being to let Windows "troubleshoot" the problem, which it reliably fixes, but it's a PITA and I expected better from Microsoft. The keyboard sounds cheap; I hear subtle jingly high-pitched sounds on every keystroke. Finally, the power brick is pretty big.
Other Thoughts: Purchased because it was the lightest and smallest laptop with a decent Maxwell GPU. I made space on the main drive inside Win8.1, turned off secure boot, set the BIOS to use Legacy Boot, and then installed Fedora 21 from USB. There was some weeping and gnashing of teeth about how Fedora wanted a GPT partition table, but it relented and let me install. Now I'm stuck trying to get the NVIDIA proprietary drivers to work so that I can do some real work with CUDA.READ FULL REVIEW
Pros: I don't play games with my GPUs, I run custom physics computations on them. In that respect, this card is excellent. My codes can achieve about 3.6 TFlop/s performance out of a theoretical maximum of just under 5 TFlop/s. I've been running the latest simulation for over a month at ~30% load (full-on for 30% of the time), with no crashes. Maxwell GPU chips have terrific power consumption and support all of the latest features of CUDA.
Cons: The only difficulty that I experienced was getting the NVIDIA+CUDA drivers installed and working on Fedora 21.
Other Thoughts: I bought this card because it supported CUDA (in which a significant amount of available high-performance code is written) and had excellent single-precision compute performance per Watt.
This is paired with a Corsair water-cooled i7-5960X CPU in my main computer, and the combination is awesome.
Pros: Lightweight, seemed fast
Cons: Read error, probably in boot sector, and the drive is totally unusable now. And there's no RMA available because it's refurbished and (just) past the 30 day mark.
Other Thoughts: I'm probably just unlucky, because I've bought a lot of Corsair products recently (case, PSUs, water coolers) and they've all been good.READ FULL REVIEW