Dell EMC PowerEdge R7425 Installation and Service Manual

Ambient temperature limitations

The following table lists configurations that require ambient temperature less than 35°C.

NOTE The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess CPU throttling, which may impact system performance.

Table 1. Configuration based ambient temperature restrictionsThe following table lists configurations that require ambient temperature less than 35°C.
Storage configuration	Chassis or hardware configuration	CPU Thermal Design Power (TDP)	CPU heat sink	Fan type	Ambient restriction
12 x 3.5 inch	Mid (SAS) and rear drive	200 W/180 W	1U high performance	High performance	30°C
12 x 3.5 inch	Mid (SAS) and rear drive	120-170 W	1U standard	High performance	35°C
24 x 2.5 inch	Mid (SAS) and rear drive	All	1U high performance for 180/200W 1U standard for 120-170W	High performance	35°C
24 x 2.5 inch	All PCIe cards	200 W/180 W	2U	Standard	35°C
12 x 3.5 inch	All PCIe cards	200 W/180 W	2U	Standard	35°C
8 x 3.5 inch	All PCIe cards	200 W/180 W	2U	Standard	35°C
24 NVMe	All PCIe cards	200 W/180 W	2U	Standard	35°C