I have the Corsair Premium PSU Cable Kit (White / Black) for Corsair Power Supply.
https://www.corsair.com/us/en/Categories/Products/Accessories-%7C-Parts/PC-Components/Power-Supplies/premium-individually-sleeved-psu-cable-kit-pro-package-type-4-generation-3-config/p/CP-8920157
I bought it in Oct 2020 from USA.
Have the full box set.
Trade at Tsim Sha Tsui MTR or Mong Kok MTR or Olympic Station MTR