AGI 512GB A238 178R is a 2.5-inch SATA III SSD with a capacity of 512GB.
It utilizes 3D NAND flash memory and offers read speeds up to 540MB/s and write speeds up to 500MB/s
according to Thunder Match. This SSD is part of AGI's AI138, AI238, AI178, and AI178R series of SATA SSDs,
It is a suitable option for upgrading storage in laptops and desktops with a 2.5-inch drive bay. 

Speed up 5 times to replace HDD.
This is the result of a 256GB TLC laboratory speed test.
The actual speed will vary depending on the environment and equipment.