The GPU Thermal Kit (7XH7A05897) is required when adding GPUs to the SR650 server models without factory-installed GPUs. The kit provides support for up to two GPUs and contains an air duct, two lowprofile heatsinks, and two full-length card holders.The GPU Thermal Kit (7XH7A05897) is required when adding GPUs to the SR650 server models without factory-installed GPUs. The kit provides support for up to two GPUs and contains an air duct, two lowprofile heatsinks, and two full-length card holders.