---
manufacturer: HPE
model: HPE Virtual Connect Flex-10/10D Module for c-Class BladeSystem
comments: '[QuickSpecs](https://www.hpe.com/psnow/doc/c04154336)'
part_number: 638526-B21
slug: hpe-638526-b21
subdevice_role: child
u_height: 0
interfaces:
  - name: Port X1
    type: 10gbase-x-sfpp
  - name: Port X2
    type: 10gbase-x-sfpp
  - name: Port X3
    type: 10gbase-x-sfpp
  - name: Port X4
    type: 10gbase-x-sfpp
  - name: Port X5
    type: 10gbase-x-sfpp
  - name: Port X6
    type: 10gbase-x-sfpp
  - name: Port X7
    type: 10gbase-x-sfpp
  - name: Port X8
    type: 10gbase-x-sfpp
  - name: Port X9
    type: 10gbase-x-sfpp
  - name: Port X10
    type: 10gbase-x-sfpp