Your search for "JL828A" revealed the following:
HPE JL828A FlexNetwork 5140 EI Series 24x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSB-8360
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,366.99
• Only 2 remaining
Call if you need more
NEW HPE JL828A FlexNetwork 5140 EI Series 24x 1GB RJ45 4x 10GB SFP+ Switch
SKU: NSN-4949
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,408.99
• Only 2 remaining
Call if you need more