BitFenix Alchemy 2.0 PSU Cable KIT for Corsair Power Supply AXi/HXi/HX,RM/Rmi/RMX/CS-M/TX-M/CX-M, for BitFenix Power Supply Whisper M, CSR-Series - Black (BFX-ALC-CSRKK-RP) The connectors in the Alchemy 2.0 Cables use High Current Alloy Terminals to provide the best connection on the terminal and minimize the efficiency drop in modular connections. Using pure copper strand cables that are up to 16AWG thick, Alchemy 2.0 reduces the resistance while increasing efficiency in modular cables. The premium quality of Alchemy 2.0 cables is achieved through a heat shrink-less sleeving process. Using Ultra Dense Sleeving with unique weave, Alchemy 2.0 Cables are manufactured to improve the aesthetics of any PC. To make your PC look even better, Alchemy 2.0 cable kits come with rubber cable combs which prevent damage to the sleeve unlike plastic combs.