Your search for "sfp-10g-t" revealed the following:
NEW Arista SFP-10G-T 10GBASE-T Copper RJ45 30m Cat6a SFP+ Transceiver
SKU: NSN-5770
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Fiberstore SFP-10G-T 10GB BASE-T MultiRate Optical SFP+ Transceiver
SKU: NSH-9001
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Arista SFP-10G-DZ-T 10GB BASE-DWDM Tunable SFP+ Transceiver
SKU: NSB-7190
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell SFP-10G-T-DWDM 10GB BASE-DWDM Extended-Reach 80km SMF LC SFP+ Transceiver
SKU: NSB-5929
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Third Party for Arista SFP-10G-T 10GBASE-T RJ45 30m Cat6a SFP+ Transceiver
SKU: NSB-3883
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper EX-SFP-10GE-T 10GB BASE-T RJ45 CAT7 SFP+ Transceiver
SKU: NSN-5942
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper EX-SFP-10GE-T 10GB BASE-T RJ45 CAT7 SFP+ Transceiver
SKU: NSH-8970
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE J9584A 3800 Series 3800-24SFP-2SFP+ 24x 1GB SFP 2x 10GB SFP+ Switch
SKU: NSN-4725
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16509 X440-48T-10G 48x 1GB RJ45 2x 1GB SFP 2x 10GB SFP+ Switch
SKU: NSN-2122
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco N5K-C5596T-FA 32x 10GB Copper 16x 10GB SFP+ 3x Mod Slot F-B Airflow Switch
SKU: NSH-2734
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days