Your search for "qsfp28" revealed the following:
Arista DCS-7060SX2-48YC6-F 48x 25GB SFP28 6x 100GB QSFP28 F-B Air Switch
SKU: NSH-8174
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 6,299.99
• Only 2 remaining
Call if you need more
Nvidia Mellanox MSN3700-CS2FO 32x 100GB QSFP28 B-F Airflow (P2C) ONIE Switch
SKU: NSB-6729
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 4,386.99
• 31 in stock
Call if you need more
Nvidia Mellanox MSN2410-CB2F 48x 25GB SFP28 8x QSFP28 B-F Air (P2C) Onyx Switch
SKU: NSB-6747
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,319.99
• Only 1 remaining
Call if you need more
Arista DCS-7280QR-C36-F 24x 40GB QSFP+ 12x 100GB QSFP28 F-B Airflow Switch
SKU: NSH-7539
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,299.99
• Only 2 remaining
Call if you need more
NEW Nvidia Mellanox MSN3700-CS2RO 32x 100GB QSFP28 F-B Airflow (C2P) ONIE Switch
SKU: NSN-1187
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 6,894.99
• Only 1 remaining
Call if you need more
nVidia Mellanox MSB7790-ES2F 920-9B010-00FE-0D1 36x 100GB QSFP28 EDR B-F Switch
SKU: NSB-9562
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 428.99
• Only 2 remaining
Call if you need more
Juniper MPC5E-100G10G 2x 100GB QSFP28 4x 10GB SFP+ Router Line Card
SKU: NSH-8685
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,704.99
• Only 2 remaining
Call if you need more
Mellanox MSN4600-CS2F 64x 100GB QSFP28 Back-to-Front Airflow (P2C) Onyx Switch
SKU: NSB-6707
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 11,244.99
• Only 1 remaining
Call if you need more
Arista DCS-7050SX3-48C8-F 48x 10GB SFP+ 8x 100GB QSFP28 F-B Air Switch
SKU: NSB-9372
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 7,086.99
• Only 1 remaining
Call if you need more
Arista DCS-7260CX3-64-R 64x 100GB QSFP28 2x 10GB SFP+ B-F Airflow Switch
SKU: NSB-7180
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 5,231.99
• Only 2 remaining
Call if you need more