Dell PowerEdge R250 EMC Technical Specifications - Page 7

System battery specifications The PowerEdge R250 system supports CR 2032 3.0-V lithium coin cell system battery. Expansion card riser specifications The PowerEdge R250 system supports up to two PCI express (PCIe) Gen 4 expansion cards. Table 5. Expansion card slots supported on the system board PCIe slot Form factor Processor PCIe slot bandwidth Slot 1 Half Height Processor 1 Gen4 x8 lanes Slot 2 Half Height Processor 1 Gen4 x8 lanes Internal Half Length Processor 1 Gen4 x4 lanes PCIe slot connector x8 x16 x8 Table 6. Riser Configuration 0 PCIe slot Risers Slot 1 Butterfly Riser Slot 2 Butterfly Riser Internal NA Riser width Single Wide Single Wide Single Wide PCIe slot height Half Height Half Height Half Height PCIe slot length Half Length Half Length Half Length PCIe slot width x8 x8 x4 NOTE: For information on the expansion card installation guidelines, see the system specific Installation and Service Manual available at https://www.dell.com/poweredgemanuals. Memory specifications The PowerEdge R250 system supports the following memory specifications for optimized operation. Table 7. PowerEdge R250 system memory specifications DIMM type DIMM rank DIMM capacity Single processor Minimum DIMM capacity Maximum DIMM capacity ECC UDIMM Single rank 8 GB 16 GB 8 GB 16 GB 32 GB 64 GB Dual rank 32 GB 32 GB 128 GB Table 8. Memory module sockets Memory module sockets 4, 288-pin Speed 3200 MT/s, 2933 MT/s, 2666 MT/s NOTE: Memory DIMM slots are not hot pluggable. NOTE: Pentium processors support up to 2666 MT/s only. All channels in a system run at the fastest common frequency. NOTE: Using dual rank UDIMMs with two DIMMs per channel (2DPC) limits the speed to 2933 MT/s. Technical specifications 7