Your search for "r3b01a" revealed the following:
HPE R3B01A SN3700M 32x 100GB QSFP28 Front-to-Back Airflow ONIE Switch
SKU: NSB-8927
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 3,219.99
• Only 1 remaining
Call if you need more
NEW HPE R3B01A SN3700M 32x 100GB QSFP28 Front-to-Back Airflow ONIE Switch
SKU: NSN-2790
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 3,289.99
• Only 1 remaining
Call if you need more