[2][3] Phison claims to have produced the earliest single-chip USB flash removable disk, dubbed a "pen drive.

"[3] In early October 2014, security researchers Adam Caudill and Brandon Wilson publicly released source code to a firmware attack against Phison USB controller ICs.

In August 2019, Phison announced that they would be releasing PS-50 series chips, e.g., PS5018-E18, that are designed to support PCIe 4.0 NVMe (non-volatile memory express) solid-state drives (SSDs).

[8][9] In April 2022, Phison announced a long term partnership with data storage company Seagate to develop and distribute enterprise NVMe SSDs.

[12] The R&D centre was later closed down in 2019 due to talent loss, work culture and lack of supporting local businesses.