Dell PowerEdge R840 EMC Technical Specifications - Page 24

• Apache Pass DIMM, NVDIMM, PCIe SSD, and NVMe are not supported. • Tape Backup Unit (TBU) is not supported in Fresh Air. • LRDIMM >32 GB is not supported in x4 sockets configuration. • Rear installed drives and GPU configuration are not supported. • Redundant power supplies are required. • Non Dell qualified peripheral cards and /or peripheral cards greater than 25 W are not supported. • Intel FPGA is not supported. • 205 W SKUs, 200W/18C, 165W/12C, and 150W_8C processor are not supported on all x4 socket processor configurations. • 165 W SKUs, 130W/8C, 115W/6C, and 105W_4C are not supported on the x4 socket processor configurations except front x8 inch SAS/SATA drives configurations. Ambient temperature limitations NOTE: The ambient temperature limit must be adhered to ensure proper cooling and to avoid excess processor throttling, which may impact system performance. Table 19. Configuration-based ambient temperature restrictions with GPGPU TDP(W) R840 • 8 x 2.5 inch SAS/SATA • 2 x CPU • 2 x GPGPU R840 • 8 x 2.5 inch SAS/SATA • 4 x CPU • 2 x GPGPU R840 • 24 x 2.5 inch SAS/SATA • 2 x CPU • 2 x GPGPU C40E 35 30 C40E 35 30 C40E 35 30 45 45 45 205 N NN N NNN N N 200 N NN N NNN N N 165 (Gold 6146) N NN N NNN N N 150 (Gold 6144 N NN N NNN N N and 6244) 150 (Gold 6240Y) N NN N NNN N N 165 N YY N YYN Y Y 150 N YY N YYN Y Y 140 N YY N YYN Y Y 130 ( Gold N YY N YYN Y Y 6134) 125 N YY N YYN Y Y 115 ( Gold 6128) N YY N YYN Y Y 115 N YY N YYN Y Y 105(Gold 5122 N YY N YYN Y Y and 8156) 105(Gold 5222 N YY N YYN Y Y and 8256) 105 N YY N YYN Y Y 100 N YY N YYN Y Y 85 N YY N YYN Y Y 70 N YY N YYN Y Y R840 • 24 x 2.5 inch SAS/SATA • 4 x CPU • 2 x GPGPU C40E 35 30 45 N NN N NN N NN N NN N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NN R840 • 24 x 2.5 inch NVme • 4 x CPU • 2 x GPGPU C40E 35 30 45 N NN N NN N NN N NN N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NY N NN 24 Technical specifications