Your search for "FG-TRAN-QSFP+SR" revealed the following:
F5 OPT-0036-01 F5-UPG-QSFP+ DOM 40GB BASE-SR4 MPO-12/UPC MMF QSFP+ Transceiver
SKU: NSB-0847
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Ruckus E40G-QSFP-SR4-INT 40GB BASE-SR4 850nm OM3 MMF QSFP+ Transceiver
SKU: NSN-1020
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Dell AFBR-79EBMZ-FT1 40GB BASE-SR MMF XW7J0 QSFP-40G-BIDI QSFP+ Transceiver
SKU: NSB-5947
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco QSFP-100G-SR4-S 100GB BASE-SR4 860nm MMF Optical QSFP Transceiver
SKU: NSN-7777
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 100G-QSFP28-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSN-6993
Condition: New
Shipping: Overnight Options
Warranty: 365 days
QLOGIC FTLF8532P4BCV-QL 32GB FC SR 850nm SFP+ Transceiver
SKU: NSB-3977
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE JH233A BASE-SR4 40 Gigabit 850nm MMF Transceiver QSFP+
SKU: NSN-9550
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista QSFP-40G-SR4 40GB BASE-SR4 850nm Short Reach MMF QSFP+ Transceiver
SKU: NSN-1701
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Nvidia Mellanox MC2210411-SR4E 40GB BASE-SR4 850nm MMF QSFP+ Transceiver
SKU: NSN-8601
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QSFP-100GBASE-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSN-4077
Condition: New
Shipping: Overnight Options
Warranty: 365 days