upgrade acer Helios 300 by add HDD – 2.5 Inch SATA 6 Gb/s 5400 RPM from Seagate
link for HDD https://www.amazon.com/Seagate-BarraCuda-Internal-Drive-2-5-Inch/dp/B07H28QRKN/ref=sxin_0_ac_d_pm?ac_md=4-2-QWJvdmUgJDQw-ac_d_pm&crid=21YBOAQQ8EY7M&keywords=hard+drive+for+laptop&pd_rd_i=B07H28QRKN&pd_rd_r=3b067359-4015-48b5-9173-fda0895d31bc&pd_rd_w=gz2pz&pd_rd_wg=SaQUW&pf_rd_p=02e79b16-eab7-4369-852f-d04a58a4d9b5&pf_rd_r=J0D8RWX8NN7YQVHTF79W&psc=1&qid=1569794589&s=electronics&sprefix=Hard+Drive++fo%2Celectronics%2C307 link for UNBoxing the laptop https://www.youtube.com/watch?v=gBjA5Z7VTAU&t=15s
link for HDD https://www.amazon.com/Seagate-BarraCuda-Internal-Drive-2-5-Inch/dp/B07H28QRKN/ref=sxin_0_ac_d_pm?ac_md=4-2-QWJvdmUgJDQw-ac_d_pm&crid=21YBOAQQ8EY7M&keywords=hard+drive+for+laptop&pd_rd_i=B07H28QRKN&pd_rd_r=3b067359-4015-48b5-9173-fda0895d31bc&pd_rd_w=gz2pz&pd_rd_wg=SaQUW&pf_rd_p=02e79b16-eab7-4369-852f-d04a58a4d9b5&pf_rd_r=J0D8RWX8NN7YQVHTF79W&psc=1&qid=1569794589&s=electronics&sprefix=Hard+Drive++fo%2Celectronics%2C307 link for UNBoxing the laptop https://www.youtube.com/watch?v=gBjA5Z7VTAU&t=15s