I bought 4 of these 128GB sticks from HP. I've tested each one over and over again using 4k movies and Crystal Disk testing software. They have all done excellent work. One thing I ran into is that in the first Crystal Disk test I was only able to get 42/38 reads and writes until I restarted my laptop (MSI GT83VR). After a reboot, the next 12 tests showed about 150/100 (see attached image). In comparison, the Samsung 128GB 3.0 also scored 150/100. At $15, the name brand just can't be beat.
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