Dell PowerEdge R7525 EMC Technical Specifications - Page 23
Thermal restriction matrix, ASHRAE A4 environment
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ASHRAE A4 environment • Two PSUs are required in redundant mode, however PSU failure is not supported. • PCIeSSD is not supported. • 128 GB or greater capacity DIMMs are not supported. • GPU and FPGA are not supported. • CPU TDP equal or greater than 155 W are not supported (Only 120W processor supports A4). • Rear drives are not supported. • 12 x 3.5 chassis is not supported. • BOSS and OCP are not supported. • OCP 3.0 card is not supported. • Non Dell qualified peripheral cards and/or peripheral cards greater than 25 W are not supported. Thermal restriction matrix Table 28. Thermal restriction matrix Configuration 8 x 2.5inch NVMe 16 x 2.5inch SAS 16 x 2.5inch NVMe 16 x 2.5inch SAS + 8 x 2.5inch NVMe 24 x 2.5inch NVMe Rear storage No Rear No Rear No Rear No Rear No Rear Drives Drives Drives Drives Drives CPU TDP/ cTDP 120 W 155 W 170 W 180 W 200 W 225 W 240 W STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK HPR fan 1U STD HSK HPR fan 1U STD HSK HPR fan 1U STD HSK HPR fan 2U Full HSK HPR fan 2U Full HSK HPR fan 2U Full HSK HPR fan 2U Full HSK 280 W STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK HPR fan + 2U Full HSK 8 x 3.5inch No Rear Drives STD fan 1U STD HSK STD fan 1U STD HSK STD fan 1U STD HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK STD fan 2U Full HSK 12 x 3.5-inch No Rear Drives HPR fan 1U STD HSK 2 x Rear 2.5-inch No Rear Fan HPR fan 1U STD HSK Ambient temperatu re 35°C HPR fan 1U STD HSK HPR fan 1U STD HSK 35°C HPR fan 1U STD HSK HPR fan 1U STD HSK 35°C HPR fan 2U Full HSK HPR fan 2U Full HSK 35°C HPR fan 2U Full HSK HPR fan 2U Full HSK 35°C HPR fan 2U Full HSK HPR fan 2U Full HSK 35°C HPR fan 2U Full HSK HPR fan 2U Full HSK 35°C HPR fan + 2U Full HSK HPR fan + 2U Full HSK 35°C NOTE: Only 12x3.5 Technical specifications 23