The A2000 has no DRAM cache as a buffer for the data. However, it has DRAM for the access tables to the flash memory. The speed is therefore between an SSD with and without DRAM cache.
I only took the PCIe-SSD into use a few days ago. When I unpacked it, I could not find any clues that it could be B-ware; the further installation also proceeded without any other problems. I was guided in my product decision by the c't article in the 11/2019 issue. Compared to the SATA SSDs in 2.5 inch format, the M.2 slots with PCI-e connection have to be paid a price premium. The speed advantage of the top models with PCI-e SSDs of over 3 GB/s compared to the SATA interface of 600 MB/s only has an effect in special applications. Therefore, the price for a top product from Samsung, Corsair or a WD Black Edition was too expensive for me and I chose a middle ground. Similarly, WD differentiates in performance and price with the Black Edition and the Blue Edition. With the Kingston A2000, I only get half the possible throughput of a top PCI-e SSD, but the price is on a par with a SATA SSD. A clean system design was a priority: with a modular power supply unit, I could do without the cable harness with the SATA connectors altogether and the SATA cable to the mainboard was also omitted.
Hello, this kind of software exists but is limited in the fact that it cannot increase the capacity of the system disk (your C partition will always be 256 GB) and that you have to connect the 2 disks at the same time (rather complicated on most laptops. I advise you to reinstall Windows (your license key will still be valid) on the new SSD and to transfer your files previously copied on a USB key and reinstall your software, it's a bit annoying but it's the solution with the least problems in the future.
I hope I have been able to help you
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Pretty sure not.
I have never used this SSD, but I have never received screws with various other SSDs or M.2 modules.
Here is a screw set:
Delock fastening set 31 pieces for M.2 SSD / module
Or you can get M2x2.5mm screws somewhere.