Your search for "JL309A" revealed the following:

HPE Aruba JL309A 100GB BASE-SR4 MPO MMF Optical QSFP28 Transceiver

SKU: NSB-5546
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

$ 263.99

$ 271.99

• Only 2 remaining
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NEW HPE Aruba JL309A 100GB BASE-SR4 MPO MMF Optical QSFP28 Transceiver

SKU: NSN-6161
Condition: New
Shipping: Overnight Options
Warranty: 365 days

$ 349.99

$ 1,761.99

• Only 2 remaining
Call if you need more