Your search for "jl320a" revealed the following:
HPE Aruba JL320A 20x 1GB PoE+ RJ45 4x 1GB Combo 1x Expansion Module Switch
SKU: NSH-8274
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 429.99
• 4 in stock
Call if you need more
NEW HPE Aruba JL320A 20x 1GB PoE+ RJ45 4x 1GB Combo 1x Expansion Module Switch
SKU: NSN-1925
Condition: New
Shipping: Overnight Options
Warranty: 365 days