Your search for "J9574A" revealed the following:
NEW HPE J9574A 3800-48G-PoE+-4SFP+ 48x 1GB PoE+ RJ45 4x 10GB SFP+ Switch
SKU: NSN-5250
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,224.99
• Only 1 remaining
Call if you need more
HPE J9574A 3800-48G-PoE+-4SFP+ 48x 1GB PoE+ RJ45 4x 10GB SFP+ Switch
SKU: NSH-3583
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 306.99
• 4 in stock
Call if you need more