User Manual
Table Of Contents
- Dell EMC PowerEdge R250 Technical Guide
- Contents
- System overview
- System features and generational comparison
- Chassis views and features
- Processor
- Memory subsystem
- Storage
- Expansion cards and expansion card risers
- Power, thermal, and acoustics
- Rack, rails, and cable management
- Supported operating systems
- Dell EMC OpenManage systems management
- Dell Technologies Services
- Dell EMC ProDeploy Enterprise Suite
- Dell EMC Remote Consulting Services
- Dell EMC Data Migration Service
- Dell EMC ProSupport Enterprise Suite
- Dell EMC ProSupport Plus for Enterprise
- Dell EMC ProSupport for Enterprise
- Dell EMC ProSupport One for Data Center
- ProSupport for HPC
- Support Technologies
- Dell Technologies Education Services
- Dell Technologies Consulting Services
- Dell EMC Managed Services
- Appendix A: Additional specifications
- Appendix B. Standards compliance
- Appendix C Additional resources
Table 15. Expansion card riser configurations (continued)
Configuratio
ns
Expansion
card risers
PCIe Slots Controlling
processor
Height Length Slot width Power
Config 1 No riser N/a N/a N/a N/a N/a N/a
Figure 14. Butterfly riser
1. Slot 2
2. Slot 1
NOTE: The expansion-card slots are not hot-swappable.
For a proper mechanical fit and proper cooling of expansion cards, follow the guidelines in the following table. The expansion
cards with the highest priority should be installed first using the slot priority indicated. All the other expansion cards should be
installed in the card priority and slot priority order.
Table 16. Configuration 0: Butterfly riser
Card type Slot priority Maximum number of cards
Internal PERC adapter 2 1
Dell External Adapter 1, 2 2
Broadcom (NIC: 1Gb) 1, 2 2
Intel (NIC: 1Gb) 1, 2 2
Dell BOSS S1 Module 1, 2 2
NOTE: No expansion cards are supported in the "no riser" configuration.
Expansion cards and expansion card risers 27