>> perkant pati pigiausia neaiskiu rekomendaciju manau sutaupysi iki ~10Eur.
>> 
> o visokie sandisk ir wd?
> butent 10 eur ir sutaupyciau.


Uz 10 Eur gausi sauksta sudo i medaus backa:

http://ssd.userbenchmark.com/Compare/SanDisk-SSD-Plus-240GB-vs-Crucial-MX300-275GB/m25612vs3642
4K Mixed - Avg. 4K Random Mixed IO Speed  
3.98 MB/s vs 16.7 MB/s - Hugely faster random mixed IO. [+320%]

https://3dnews.ru/930604/page-2.html
Sako, kad egzistavo baisesniu (pvz BX200), bet nuo to pigusis SanDisk'as netampa nuostabiu.

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http://ssd.userbenchmark.com/Compare/WD-Green-240GB-vs-Crucial-MX300-275GB/m204096vs3642
4K Mixed - Avg. 4K Random Mixed IO Speed  
2.95 MB/s vs 16.7 MB/s - Hugely faster random mixed IO. [+466%]
ADQ Mixed - Avg. 4K-64Thread Mixed IO Speed  
2.99 MB/s vs 25.7 MB/s - Hugely faster deep queue mixed IO. [+760%]

https://3dnews.ru/945938/page-2.html

If you approach the results obtained formally, the 
WD Green SSD can be considered as the slowest modern SATA SSD. 
In most performance tests novelty loses all possible widespread TLC-drives other firms.

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Imt 240GB gaidiska uz ~85 ar "priimtina taupantiems" MX300 275GB uz ~95 
(Papildomi +35GB yra verti daugiau nei +12,40Eur .. ir bent jau nebus tragiskas modeliukas).