Your search for "JL321A" revealed the following:
HPE Aruba JL321A 2930M Series 44x 1GB RJ45 4x 1GB Combo 1x Module Slot Switch
SKU: NSH-8275
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 299.99
• Only 2 remaining
Call if you need more
NEW HPE Aruba JL321A 2930M 44x 1GB RJ45 4x 1GB Combo 1x Module Slot Switch
SKU: NSN-2608
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 3,737.99
• Only 2 remaining
Call if you need more