HP A2Z46AA Computer Cooling System Computer Component

This fan and front card guide kit is required to enable correct thermals when configuring select graphics cards.

Features
On HP Z420 Workstations, the kit enables correct thermals when configuring a third NVIDIA NVS 300, NVS 310, or NVS 315 graphics card.
On HP Z420 Workstations, NVIDIA Quadro K4000, K5000, and K6000 graphics cards or an AMD FirePro W7000 graphics card within the system require this part for added mechanical stability, and benefit from the cooling provided by the included fan.
On HP Z220 Workstations, the kit enables correct thermals when configuring an NVIDIA Quadro K4000 or AMD FirePro W7000 graphics card within the system.