Expansion module (4 x 10GBASE-T uplinks) for x930 Series.

Allied Telesis AT-X9EM/XT4 Expansion Module - 10Gb Ethernet x 4

Brand: Allied Telesis
Product name: Expansion Module
Product type: Expansion Module
Vendor: Allied Telesis, Inc
Vendor code: AT-X9EM/XT4-B01
Vendor site: https://www.alliedtelesis.com