- Notes, cautions, and warnings
- Executive summary
- Solution Overview
- Prerequisites
- Environmental requirements
- Power distribution unit (PDU) power-drop requirements
- Azure connection, identity store, and billing-model decisions
- Choosing connection options and identity store
- Features that are impaired or unavailable in disconnected mode
- Required customer-provided security certificates
- Mandatory certificates
- Optional PaaS certificates
- Certificate requirements and validation
- License requirements
- Azure Stack Hub endpoints and customer port requirements
- Hardware Infrastructure
- Hardware components
- Overview
- PowerEdge R840 server for dense and GPU scale units
- PowerEdge R740xd server for hybrid scale units
- PowerEdge R640 server for HLH and all-flash scale units (GPU support)
- PowerSwitch N3248TE-ON management switch
- PowerSwitch S5248F-ON ToR switch
- Cisco Nexus 93180YC-FX switch
- Cisco Nexus 9348GC-FXP switch
- Switch dimensions
- Dell Integrated System factory-rack dimensions
- Rail kit information
- Dense scale unit configuration
- Hybrid scale-unit configuration
- All-flash scale-unit configuration
- All-flash tactical configuration
- Hardware components
- Networking and Cabling
- Operations and Management Software
- Security
- Maintaining the Solution
- Backup and Recovery
- Conclusion
- License Retrieval
- Dell Technologies Support and Consulting Offerings
Dell Integrated System for Microsoft Azure Stack Hub Tech Book
R840 server dimensions
The following figure shows the physical dimensions of the R840 server.
The following table lists the measurements for the R840 server, which is shown in the previous figure.
| Measurement | Inches | Millimeters |
| Xa (Front Width) | 18.97 | 482.00 |
| Xb (Rear Width) – without brackets | 17.08 | 434.00 |
| Xb (Rear Width) – with brackets | 17.48 | 444.00 |
| Y (Height) | 3.41 | 86.80 |
| Za (Forward Depth with Bezel) | 1.41 | 37.84 |
| Za (Forward Depth without Bezel) | 0.94 | 23.90 |
| Zb | 31.96 | 812.00 |
| Zc (Depth Behind Bezel) – with PSU handle | 33.14 | 842.00 |
| Zc (Depth Behind Bezel) – with chassis near wall handle | 35.51 | 902.00 |
NOTE: Zb means the nominal rear wall external surface where the system board I/O connectors are located.
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