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This review is from: High Accuracy Portable Digital PH Meter Tester Pen
Pros: Internal computing circuit is fast. Has auto-temperature adjustment, well-constructed. Very easy to calibrate. For 5 years I was using a similar pH meter from Extech (pre EC500) and it never could hold its calibration longer than 15 minutes, was extremely slow and flaky. Extech pH meters cost 4-6 times more than this Chinese unit through NewEgg which in my opinion is quite superior and a better value. Shipping from overseas was good and the unit came with sealed 4,7,10 pH buffer powders easily mixed with 250ml distilled water to create testing standard solutions.
Cons: I like pH meters that provide a reading to the nearest one hundredth. This meter will only read to the nearest tenth on pH, but for my lab work in the 4.8 to 5.4 range that is close enough.
Other Thoughts: Temperature readout is clear and adjusts the results fast. This unit cleans up fast/easy.READ FULL REVIEW
Pros: Trying to make a fresh install of Win 7 on a NVME SSD is impossible even though there are a few Win 7 64bit ISO DVDs on TPB out there whose good-intention authors claim they have used NTLite to construct a modified boot DVD (or Rufus bootable USBs) that incorporates Microsoft's hotfix 2990941 onto a burnable install Win 7 DVD. What is even more frustrating is Acronis (eg version 2014) will not clone your existing Win 7 system HD to the Samsung 950pro. Acronis needs a UEFI component integrated into a future version to make this cloning task possible. And by now you have also discovered the Samsung Migration Tool is useless for cloning your existing Win 7 OS HD over to the 950 pro. Before I bought my Samsung 950 pro I had my Win 7 64bit Ultimate OS with programs installed on a SATA 6 SSD 250gb. All my data files are on two regular mechanical HDs. You will need to put the Microsoft 2990941 hotfix on your existing Win 7 OS hard drive and then install the Samsung 950pro driver from the Samsung download page on your existing Win7 system. Then take the EaseUS Todo Backup Home version 8.9 (which is UEFI capable) and simply clone your existing Win 7 over to the Samsung 950 pro SSD.
Cons: On my other non-important test machines I will play around with Windows 10 for funnzies... but for my "real" work machines I am staying with Windows 7 until MS offers manual upgrade selections and a way to circumvent all their built-in spyware. Microsoft wants you to upgrade to Windows 10 (out of exasperation) in order to make full/easy use of the Samsung 950 pro SSD and thus they deliberately offer no NVME driver to facilitate fresh installs of Win7 from a DVD/USB booter onto your new 950 pro. But with a little ingenuity along with EaseUS software you can beat Microsoft at their game and stay with Win7 on your new Samsung 950 pro NVME SSD.
Other Thoughts: I have a Gigabyte GA-Z170MX-5 (1151) from NewEgg motherboard running the i7-6700 CPU and 16gbs of memory in XMP mode. I am not an overclocker and this system is running on the F4b (beta) BIOS from Gigabyte. I have been building systems from scratch for 30 years and this one is by far the fastest, most smooth, most efficient, most enjoyable computer I have ever built. Obviously on the Win7 hard drive speed test this Samsung 950 pro NVME hits a 7.9 score. If the Win7 hard drive speed score could be re-calibrated to max out at 20 then this SSD would peg 20 easily. Using the Samsung Magician performance test I register these scores:
SR = 1986
SW = 1220
RR = 136,431
RW = 87,947
This new Samsung 950 pro is super fast. I will be buying more and installing them on other Win7 systems until I feel more confident in Windows 10... which could be another year with luck perhaps.
Pros: Works good. Installed in a new HTPC as my main drive. This HD gave me the standard 5.9 rating in Win 7 64 bit. Appears to be Seagate reliable. It looked brand new. I'm happy.
Cons: None.READ FULL REVIEW