| HPE-3S1
|
Half-Size PCIe Backplane, 3-Slot, 1 CPU and 2 PCI Slots |
| HPE-3S2
|
Half-Size PCIe Backplane, 3-Slot, 1 CPU,1 PCIe x4, and 1 PCI Slot(s) |
| HPE-4S1
|
Half-Size PCIe Backplane, 4-Slot, 1 CPU and 3 PCI Slots |
| HPE-4S2
|
Half-Size PCIe Backplane, 4-Slot, 1 CPU, 1 PCIe x4, and 2 PCI Slots |
| HPE-5S1
|
Half-Size PCIe Backplane, 5-Slot, 1 CPU and 4 PCI Slots |
| HPE-5S2
|
Half-Size PCIe Backplane, 5-Slot, 1 CPU, 1 PCIe x4 and 3 PCI Slots |
| HPE-5S3
|
Half-Size PCIe Backplane, 5-Slot, 1 CPU, 2 PCIe x1 and 2 PCI Slots |
| HPE-6S1
|
Half-Size PCIe Backplane, 6-Slot, 1 CPU, 1 PCIe x4 and 4 PCI Slots |
| HPE-8S0
|
Half-Size PCIe Backplane, 7-Slot, 1 CPU, 2 PCIe x1 and 4 PCI Slots |