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NEW Cisco Compatible SFP-10G-SR 10Gb SFP+ Transceiver 850nm LIFETIME WARRANTY
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  • $9.50 
  • Free Shipping
  • $8.74 - $9.50
Cisco Meraki Compatible MA-SFP-10GB-SR 10GBASE-SR SFP+ 850nm 300m Transceiver
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  • $13.95 
  • $12.07 - $13.95
F5 Networks Compatible 10G F5-UPG-SFP+LR-R SFP+ SMF 1310nm 10km OPT-0017-00
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  • $33.60 
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  • $30.91 - $33.60
HIRSCHMANN M-SFP-LX/LC Compatible 943 015-001 1000BASE-LX 20km SMF Transceiver
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  • $13.95 
  • Free Shipping
  • $12.83 - $13.95
DELL 407-BBOP network transceiver module
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DELL
DELL 407-BBOP network transceiver module
  • Device Type: Transceiver
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 407-BBOP
J4858D 1G SFP LC SX 500m MMF XCVR HP and Aruba Compatible Lifetime Warranty
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  • $12.17 
  • Free Shipping
  • $11.20 - $12.17
Ubiquiti Networks Compatible UF-MM-1G SFP Multi-Mode Fiber Module (2-Pack)
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  • $13.42 
  • Free Shipping
  • $12.35 - $13.42
MGBSX1 Cisco Linksys Compatible 1000BASE-SX 850nm 550m SFP Transceiver
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  • $13.12 
  • Free Shipping
  • $12.07 - $13.12
ARISTA Compatible SFP-10G-LRL - 10GBASE-LRL SFP+ Optics Module 1310nm 1km SMF
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  • $19.95 
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  • $18.35 - $19.95
Cisco Compatible SFP-10G-SR-S 850nm Transceiver 400m on OM4 MMF
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Cisco Compatible SFP-10G-SR-S 850nm Transceiver 400m on OM4 MMF
  • Device Type: Transceiver
  • Model #: PTNO-19C-0626
  •  
  • $10.00 
  • Free Shipping
  • $9.20 - $10.00
Mellanox Compatible MC3208011-LX 1000BASE-LX SFP 1310nm 10km/20km Transceiver
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  • $30.45 
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  • $28.01 - $30.45
Linksys Compatible MGBLX1 - 1000BASE-LX SMF 1310nm 10KM SFP Transceiver
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  • $14.96 
  • Free Shipping
  • $13.76 - $14.96
S-31DLC20D MikroTik Compatible 1000Base-LX 20KM SFP Transceiver module 1310nm
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  • $15.52 
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  • $11.52 - $15.52
NETGEAR AGM734 Compatible 1000Base-T RJ-45 Copper SFP Transceiver
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NETGEAR AGM734 Compatible 1000Base-T RJ-45 Copper SFP Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0516
  •  
  • $25.51 
  • Free Shipping
  • $23.47 - $25.51
D-Link Compatible DEM-431XT - 10GBASE-SR 300m 850nm SFP+ Transceiver
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D-Link Compatible DEM-431XT - 10GBASE-SR 300m 850nm SFP+ Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0606
  •  
  • $17.32 
  • Free Shipping
  • $15.93 - $17.32
Dell Compatible 407-BBZM 49TNY Transceiver SFP+ 10 GbE SR 850nm MMF 300 m reach
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  • $9.40 
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  • $8.65 - $9.40
Compatible Fortinet FG-TRAN-SFP+SR FN SFP-10G-SR FTLX8574D3BCL 850nm MMF 10GBE
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  • $10.50 
  • Free Shipping
  • $9.66 - $10.50
HP Compatible C8R25B MSA 10Gb Short Range iSCSI SFP+ 4-Pack Transceiver
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  • $61.00 
  • Free Shipping
  • $56.12 - $61.00
TP-Link Compatible TXM431-SR 10GBASE-SR 300m 850nm SFP+ Transceiver
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TP-Link Compatible TXM431-SR 10GBASE-SR 300m 850nm SFP+ Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0163
  •  
  • $25.79 
  • Free Shipping
  • $23.73 - $25.79
Mikrotik S+85DLC03D Compatible 10GBASE-SR SFP+ 850nm 300m DOM Transceiver
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  • $13.10 
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  • $12.05 - $13.10
Ubiquiti UF-MM-10G compatible SFP+SR 850nm 10GE MMF Edgemax EdgeRouter PRO
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  • $9.99 
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  • $9.19 - $9.99
DELL 407-10588 407-BBOO 1000Base-LX SFP 1310nm SMF 10km
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DELL
DELL 407-10588 407-BBOO 1000Base-LX SFP 1310nm SMF 10km
  • Device Type: Transceiver
  • Model #: 407BBOO
HPE Compatible C8R24B MSA 16Gb Short Wave Fibre Channel SFP+ 4-pack Transceiver
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  • $187.95 
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  • $172.91 - $187.95
GENUINE SFP-10G-SRL ARISTA 10GB 850nm SFP+ GBIC Transceiver XVR-00002-02
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GENUINE SFP-10G-SRL ARISTA 10GB 850nm SFP+ GBIC Transceiver XVR-00002-02
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: XVR-00002-02
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  • $68.89 
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  • $63.38 - $68.89
Palo Alto Networks® PAN-SFP-LX Compatible TAA 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM)
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Palo Alto Networks® PAN-SFP-LX Compatible TAA 1000Base-LX SFP Transceiver (SMF, 1310nm, 10km, LC, DOM)
  • Part Number: PAN-SFP-LX-AO
  • Compatible Brand: Palo Alto Networks®
  • Device Type: Transceiver
  • Form Factor: SFP
  • Model #: PAN-SFP-LX-AO
Tripp Lite 10/100 SC Singlemode Media Converter, 15km, 1310nm
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Tripp Lite 10/100 SC Singlemode Media Converter, 15km, 1310nm
  • Package Contents: 10/100 SC Singlemode Media Converter, 15km, 1310nm External Power Supply Owner's Manual
  • Parts: 1 Year
  • Model #: N784-001-SC-15
Cisco GLC-ZX-SM Compatible 1000BASE-ZX SFP 1550nm 70km
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Cisco GLC-ZX-SM Compatible 1000BASE-ZX SFP 1550nm 70km
  • Device Type: Transceiver
  • Model #: PTNO-19C-0051
  •  
  • $39.24 
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  • $38.06 - $39.24
Brocade 8Gb 57-1000027-02 XBR-000153 LW Duplex 10Km SFP+ Optic Transceiver 80-1001142-01
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Brocade 8Gb 57-1000027-02 XBR-000153 LW Duplex 10Km SFP+ Optic Transceiver 80-1001142-01
  • Device Type: Transceiver
  • Max Distance: 10km
  • Transfer Rate: 8 GB
  • Model #: 80-1001142-01
  •  
  • $21.98 
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  • $20.22 - $21.98
DELL N743D  Networking Transceiver Sfp+ 10Gbe Sr 850Nm Wavelength 300M Rch
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DELL
DELL N743D Networking Transceiver Sfp+ 10Gbe Sr 850Nm Wavelength 300M Rch
  • Device Type: Transceiver
  • Protocols: HCRP, SPP
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: N743D
  •  
  • $22.29 
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Cisco Compatible SFP-10G-LR-S 1310nm 10km Catalyst Series
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Cisco Compatible SFP-10G-LR-S 1310nm 10km Catalyst Series
  • Device Type: Transceiver
  • Model #: PTNO-19C-0627
  •  
  • $24.95 
  • Free Shipping
  • $22.95 - $24.95
FINISAR COMPATIBLE FTLX8574D3BCV-KS 10G SFP+ SR SFP
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FINISAR COMPATIBLE FTLX8574D3BCV-KS 10G SFP+ SR SFP
  • Device Type: Transceiver
  • Model #: PTNO-19C-0172
  •  
  • $12.75 
  • Free Shipping
  • $11.73 - $12.75
Axiom J4858C-AX Mini-GBIC 1000BASE-SX for HP
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Axiom J4858C-AX Mini-GBIC 1000BASE-SX for HP
  • Protocols: TCP/IP
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: J4858C-AX
Axiom SFP-10G-LR-AX SFP+ Transceiver
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Axiom SFP-10G-LR-AX SFP+ Transceiver
  • Standards: IEEE 802.3z
  • Wavelength: 1310nm
  • Fiber Cable: SMF
  • Protocols: TCP/IP
  • Model #: SFP-10G-LR-AX
Supermicro Compatible AOC-E10GSFPLR SFP+ transceiver module
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Supermicro Compatible AOC-E10GSFPLR SFP+ transceiver module
  • Device Type: Transceiver
  • Model #: PTNO-19C-0160
  •  
  • $15.44 
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  • $14.20 - $15.44
DELL 407-BBOU SFP+ 10GBE SR 850NM 300M REACH
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HP J4858D Aruba - Sfp (Mini-Gbic) Transceiver Module - Gige - 1000Base-Sx - Lc M
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  • $98.00 
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Ubiquiti U Fiber Sfp (Mini-Gbic) Module
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Ubiquiti U Fiber Sfp (Mini-Gbic) Module
  • Device Type: Transceiver
  • Wavelength: TX Wavelength: Blue 1310 nm, Yellow 1550 nm RX Wavelength: Blue 1550 nm, Yellow 1310 nm
  • Fiber Cable: Single-mode Optical Fiber
  • Protocols: TCP/IP
  • Model #: UF-SM-1G-S
  •  
  • $58.90 
  • Free Shipping
AddOn HP JD118B Compatible 1000Base-SX SFP Transceiver (MMF, 850nm, 550m, LC, DOM)
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AddOn HP JD118B Compatible 1000Base-SX SFP Transceiver (MMF, 850nm, 550m, LC, DOM)
  • Standards: IEEE802.3z
  • Network Media: MMF (Multi-Mode Fiber)
  • Wavelength: 850nm
  • Protocols: TCP/IP
  • Model #: JD118B-AO
DELL 407-BBOS TRANSCEIVER SFP 1000BT 407-BBOS
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Tripp Lite N785-P01-SC-SM1 Transceiver/Media Converter
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Tripp Lite N785-P01-SC-SM1 Transceiver/Media Converter
  • Device Type: Transceiver
  • Wavelength: 1310nm
  • Ports: 10/100/1000Base-T
  • Max Distance: 12.4 Mile
  • Model #: N785-P01-SC-SM1
Avago Compatible AFBR-703SDZ - 10GBASE-SR SFP+ Transceiver
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  • $44.06 
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  • $40.54 - $44.06
Intel 10G/1G SFP+ Transceiver FTLX8571D3BCV-IT X520-DA1/2 / SR1/2 Compatible
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  • $29.99 
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  • $27.59 - $29.99
HP JD118B 1G SFP TAA SFP Compliant Transceiver Genuine - 800148468
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  • $92.00 
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Qnap Mellanox Sfp+ Module
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Qnap Mellanox Sfp+ Module
  • Device Type: Transceiver
  • Weight: 0.25
  • Model #: TRX-10GSFP-SR-MLX
  • $116.36 - $126.48
Finisar FTLX1471D3BCL Datacom SFP+ Transceiver
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Refurbished Finisar FTLX1471D3BCL Datacom SFP+ Transceiver
  • Device Type: Transceiver
  • Ports: 1 x LC Duplex 10GBase-X
  • Transfer Rate: 10 Gbps
  • Parts: 30 Days
  • Model #: FTLX1471D3BCL
AddOn Juniper Networks EX-SFP-1GE-SX Compatible 1000Base-SX SFP Transceiver (MMF, 850nm, 550m, LC)
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AddOn Juniper Networks EX-SFP-1GE-SX Compatible 1000Base-SX SFP Transceiver (MMF, 850nm, 550m, LC)
  • Device Type: Other
  • Wavelength: 850 nm
  • Protocols: TCP/IP
  • Ports: 1 x LC 1000Base-SX
  • Model #: EX-SFP-1GE-SX-AO
Genuine DELL PowerConnect 1000base-SX FTLF8519P2BNL 850nm SFP GBIC GF76J 0GF76J CN-0GF76J
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  • $19.98 
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  • $18.38 - $19.98
C5RNH Dell 10Gbps Multi-mode Fiber 10GBase-SR 850nm Duplex LC SFP+ Transceiver
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DELL
Refurbished C5RNH Dell 10Gbps Multi-mode Fiber 10GBase-SR 850nm Duplex LC SFP+ Transceiver
  • Device Type: SFP+
  • Wavelength: 850nm
  • Ports: 1 x LC Duplex 10GBase-SR
  • Max Distance: 300m
  • Model #: C5RNH
  •  
  • $15.94 
  • $5.99 Shipping
Intel FTLX8571D3BCV-IT Finisar SFP+ Module
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Refurbished Intel FTLX8571D3BCV-IT Finisar SFP+ Module
  • Device Type: Transceiver
  • Protocols: HCRP, SPP
  • Model #: FTLX8571D3BCV-IT
HDMI KVM USB Extender with PoC Over Cat5/Cat5e/Cat6 HDMI to RJ45 Support 1080p Video Lossless No Latency, 60m 196ft HDMI USB Transmitter and Receiver
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HDMI KVM USB Extender with PoC Over Cat5/Cat5e/Cat6 HDMI to RJ45 Support 1080p Video Lossless No Latency, 60m 196ft HDMI USB Transmitter and Receiver

Limited time offer, ends 05/23

  • Device Type: Transceiver
  • Standards: IEEE-568B
  • Transfer Rate: 10 Gbps
  • Power Adapter: DC 12V/1A
  • Model #: W-OZD5D6-4
  •  
  • $62.99 
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4K HDMI KVM USB Extender Over Cat5e/6 up to 60M(196ft), KVM Extender Over IP Zero Latency Support All System, Plug & Play, 2 Ports USB2.0
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4K HDMI KVM USB Extender Over Cat5e/6 up to 60M(196ft), KVM Extender Over IP Zero Latency Support All System, Plug & Play, 2 Ports USB2.0

Limited time offer, ends 05/23

  • Device Type: Transceiver
  • Standards: IEEE-568B
  • Transfer Rate: 10 Gbps
  • Power Adapter: DC 12V/1A
  • Model #: W-OZD5D6-1
  •  
  • $62.99 
  • Free Shipping
HDMI KVM USB Extender 1080P Over Cat5e/6 Ethernet Cable 60m (196ft) for Mouse and Keyboard Control Remote Signals
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HDMI KVM USB Extender 1080P Over Cat5e/6 Ethernet Cable 60m (196ft) for Mouse and Keyboard Control Remote Signals

Limited time offer, ends 05/23

  • Device Type: Transceiver
  • Standards: IEEE-568B
  • Transfer Rate: 10 Gbps
  • Power Adapter: DC 12V/1A
  • Model #: W-OZD5D6-5
  •  
  • $62.99 
  • Free Shipping
HDMI KVM USB Extender 1080P@60Hz KVM Extender Over Cat5e/Cat6 Up to 60m (196Ft), 2 Ports USB,Lossless or Zero Latency, Plug&Play(Point to Point KVM Extender)
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HDMI KVM USB Extender 1080P@60Hz KVM Extender Over Cat5e/Cat6 Up to 60m (196Ft), 2 Ports USB,Lossless or Zero Latency, Plug&Play(Point to Point KVM Extender)

Limited time offer, ends 05/23

  • Device Type: Transceiver
  • Standards: IEEE-568B
  • Transfer Rate: 18Gbps
  • Power Adapter: DC 12V/1A
  • Model #: W-OZD5-1D6-1-3
  •  
  • $79.99 
  • Free Shipping
HPE MSA 2040 8Gb Short Wave Fibre Channel SFP+ 4-Pack Transceiver (C8R23A)
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HP
HPE MSA 2040 8Gb Short Wave Fibre Channel SFP+ 4-Pack Transceiver (C8R23A)
  • Weight: 1.2
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: C8R23A
  •  
  • $275.00 
  • $12.99 Shipping
USB KVM and HDMI Over Cat5/Cat5e/Cat6 Extender  196ft Extension, 1080p HDMI Video, 2X USB Keyboard/Mouse, Near Zero Latency, HDMI Loopout, ESD Protection, Transmitter and Receiver
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USB KVM and HDMI Over Cat5/Cat5e/Cat6 Extender 196ft Extension, 1080p HDMI Video, 2X USB Keyboard/Mouse, Near Zero Latency, HDMI Loopout, ESD Protection, Transmitter and Receiver

Limited time offer, ends 05/23

  • Device Type: Transceiver
  • Standards: IEEE-568B
  • Transfer Rate: 10 Gbps
  • Power Adapter: DC 12V/1A
  • Model #: W-OZD5D6-2
  •  
  • $62.99 
  • Free Shipping
Axiom AXM761-AX 10GBASE-SR SFP+ Module for Netgear
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Axiom AXM761-AX 10GBASE-SR SFP+ Module for Netgear
  • Standards: IEEE 802.3z
  • Wavelength: 850nm
  • Fiber Cable: MMF
  • Ports: LC
  • Model #: AXM761-AX
HPE J8440B ProCurve 10-GbE X2 Transceiver
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HP
Refurbished HPE J8440B ProCurve 10-GbE X2 Transceiver
  • Device Type: Transceiver
  • Protocols: HCRP, SPP
  • Model #: J8440B
  •  
  • $61.00 
  • Free Shipping
MikroTik S-85DLC05D SFP module 1.25G MM 550m 850nm
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MikroTik S-85DLC05D SFP module 1.25G MM 550m 850nm
  • Device Type: Transceiver
  • Model #: S-85DLC05D
  •  
  • $31.50 
  • Free Shipping
D-Link DGS-712 Copper SFP Transceiver
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D-Link DGS-712 Copper SFP Transceiver
  • Standards: IEEE 802.3ab
  • Ports: RJ-45
  • Max Distance: 100 meters
  • Transfer Rate: 1,000 Mbps (IEEE 802.3 compatible) 10/100/1000 BASE-T operation requires the host system to have an SGMII interface with no clocks. With a SERDES interface, this transceiver will operate at 1000BASE-T only.
  • Model #: DGS-712
Axiom AXG100797 10GBASE-T SFP+ Transceiver for Cisco - SFP-10G-T-X - TAA Compliant
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Axiom AXG100797 10GBASE-T SFP+ Transceiver for Cisco - SFP-10G-T-X - TAA Compliant
  • Device Type: Transceiver
  • Standards: IEEE 802.3an
  • Network Media: Copper
  • Ports: RJ-45
  • Model #: AXG100797
PLANET FT-905A 10/100Base-TX to 100Base-FX Web Smart Media Converter (SFP)
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PLANET FT-905A 10/100Base-TX to 100Base-FX Web Smart Media Converter (SFP)
  • Device Type: Converter
  • Standards: IEEE 802.3, 10Base-T IEEE 802.3u, 100Base-TX, 100Base-FX IEEE 802.3x, Flow Control IEEE 802.1p, Class of Service
  • Ports: 1 x 10/100Base-TX RJ-45 port Auto-negotiation, Auto-MDI/MDI-x
  • LEDs: PWR TP LINK / ACT, TP FDX, TP SPEED Fiber LINK / ACT, Fiber FDX
  • Model #: FT-905A
  •  
  • $56.00 
  • $8.00 Shipping
Ubiquiti Networks 10G Multi-Mode Optical Module (20-Pack) UACC-OM-MM-10G-D-20
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Axiom GLC-LH-SM-AX SFP (mini-GBIC) transceiver module
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Axiom GLC-LH-SM-AX SFP (mini-GBIC) transceiver module
  • Protocols: TCP/IP
  • Ports: Interfaces: 1 x network - Ethernet 1000Base-LX/1000Base-LH - LC x 2 Compatible Slots: 1 x SFP (mini-GBIC)
  • Transfer Rate: 1 Gbps Gigabit Ethernet
  • Weight: 0.05
  • Model #: GLC-LH-SM-AX
TRENDnet SFP to RJ45 Mini-GBIC Single-Mode LC Module, TEG-MGBS10, For Single Mode Fiber, Distances up to 10km (6.2 Miles), Gigabit SFP Module, IEEE 802.3z Gigabit Ethernet
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TRENDnet SFP to RJ45 Mini-GBIC Single-Mode LC Module, TEG-MGBS10, For Single Mode Fiber, Distances up to 10km (6.2 Miles), Gigabit SFP Module, IEEE 802.3z Gigabit Ethernet
  • Standards: Compliant with IEEE 802.3z Gigabit Ethernet and Fiber Channel Standards
  • Wavelength: 1310nm
  • Protocols: TCP/IP
  • Ports: Duplex LC connector
  • Model #: TEG-MGBS10
Transition Networks SGETF1014-110 Gigabit Ethernet Media Converter
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Transition Networks SGETF1014-110 Gigabit Ethernet Media Converter
  • Ports: 1 x RJ-45 1 x SC Single Fiber
  • Max Distance: 6.21 Mile
  • Dimensions: 1.0' Height x 3.3' Width x 4.8' Depth
  • Weight: 1.14
  • Model #: SGETF1014-110-NA
TRENDnet Hardened Industrial 100Base-FX Multi-Mode SC Fiber Converter, (2km, 1.2 Miles), IP40 Rated Housing, TI-F10SC
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TRENDnet Hardened Industrial 100Base-FX Multi-Mode SC Fiber Converter, (2km, 1.2 Miles), IP40 Rated Housing, TI-F10SC
  • Device Type: Converter
  • Standards: IEEE 802.3 IEEE 802.3u IEEE 802.3x
  • Protocols: TCP/IP
  • Ports: 1 x 10/100 Mbps port 1 x 100Base-FX port (SC-type) 3-pin terminal block LED indicators DIN-Rail mount Wall mount
  • Model #: TI-F10SC
TRENDnet Hardened Industrial 100Base-FX Single-Mode SC Fiber Converter, (30 km, 18.6 Miles), IP40 Rated Housing, TI-F10S30
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TRENDnet Hardened Industrial 100Base-FX Single-Mode SC Fiber Converter, (30 km, 18.6 Miles), IP40 Rated Housing, TI-F10S30
  • Brand: TRENDnet
  • Part Number: TI-F10S30
  • Device Type: Converter
  • Standards: IEEE 802.3 IEEE 802.3u IEEE 802.3x
  • Model #: TI-F10S30
AXIOM 1000BASE-LX SFP FOR ARUBA
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AXIOM 1000BASE-LX SFP FOR ARUBA
  • Brand: AXIOM MEMORY
  • Part Number: J4859D-AX
  • Device Type: Transceiver
  • Weight: 0.03 ounces
  • Model #: J4859D-AX
Perle S-100-M2LC2 Fast Ethernet Stand-Alone Media Converter
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Perle S-100-M2LC2 Fast Ethernet Stand-Alone Media Converter
  • Ports: 1 x LC Duplex Network 1 x RJ-45 Network
  • Max Distance: 1.24 Mile
  • Dimensions: 1.0' Height x 3.1' Width x 4.7' Depth
  • Weight: 1.15
  • Model #: 05050224
Monoprice Ironlink Cisco GLC-SX-MM-IL Compatible LC SX Transceiver
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  • $14.95 
  • Free Shipping
ADDON CISCO SFP-10G-SR-S COMPAT TRNSCVR - SFP-10G-SR-S-AO
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ADDON CISCO SFP-10G-SR-S COMPAT TRNSCVR - SFP-10G-SR-S-AO
  • Humidity: 0.05
  • Weight: 0.05 lbs
  • Model #: SNXSFP-10G-SR-S-AO
  •  
  • $197.13 
  • Free Shipping
Tripp Lite HP J4858C Compatible 1000Base-SX LC SFP Transceiver
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Tripp Lite HP J4858C Compatible 1000Base-SX LC SFP Transceiver
  • Device Type: Transceiver
  • Protocols: TCP/IP
  • Weight: 0.85
  • Model #: N286-01GSX-MLC
  •  
  • $265.82 
  • Free Shipping

Learn about Network Transceivers

High-Speed Optics for Scalable Networks

Network transceivers combine a transmitter and receiver to deliver high-bandwidth, low-latency links between switches, servers, and storage. From compact SFP transceiver modules to high-density QSFP module options, plus versatile media converter solutions, you can build 10G/25G/40G/100G backbones that fit today’s needs and tomorrow’s growth.

Common Form Factors & Speeds

SFP / SFP+

Ideal for access and server uplinks. Popular picks include 10G SFP+ transceiver for short-reach SR or long-reach LR links, and copper options for short runs.

SFP28 (25G)

A sweet spot for modern servers and leaf-spine designs. Look for SR/LR variants such as 25G SFP28 LR to extend reach with single-mode fiber.

QSFP+ / QSFP28

Aggregation-friendly density for 40G/100G fabrics. For short top-of-rack links, consider 40G QSFP+ DAC (passive copper) or 100G QSFP28 AOC (active optical cable) to simplify cabling.

Fiber Types, Wavelengths & Specialties

Match optics to distance and cable: SR for short multimode runs, LR/ER for long single-mode links. BiDi SFP single-mode cuts fiber strands in half, while CWDM/DWDM SFP multiplies capacity over the same fiber pair. Need copper? Try an RJ45 SFP copper module for short copper segments.

Compatibility tip: Check vendor coding (brand compatibility), DDM/DOM support, operating temperature (industrial transceiver models), and switch/NIC firmware notes before purchasing.

Buying Checklist

Confirm required speed (10G/25G/40G/100G) and form factor (SFP/SFP+/SFP28/QSFP/QSFP28), choose SR/LR per distance, and verify connector type and cable (OM3/OM4 multimode vs. single-mode). For copper-to-fiber bridging or PoE islands, add an Ethernet-to-fiber media converter. If you’re uplinking servers, pair your optics with the right Network Interface Cards and a compatible switch for end-to-end stability.

Deployment Examples

Access & Edge: 10G SFP+ SR uplinks from access switches to distribution.

Server & Storage: 25G SFP28 LR for spine/leaf or iSCSI/NFS back-ends.

Aggregation & Core: 40G/100G QSFP for compact, high-throughput spines.

Frequently Asked Questions

How do I choose SR vs. LR?

Use SR on OM3/OM4 multimode for short in-rack or row links; choose LR on single-mode for long runs or building-to-building spans.

Can different brands interoperate?

Often yes, but check vendor coding/compatibility lists and DOM/DDM support on your switch or NIC to avoid alarms or link issues.

When should I use DAC or AOC instead of optics?

Use DAC for very short, low-cost in-rack links; pick AOC for longer top-of-rack runs without managing separate optics and fiber jumpers.

Related Essentials

Finish your build with the right cabling and hardware: SFP+ DAC cables, QSFP AOC, Ethernet cables, server racks & cabinets.

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10Gtek 10GBase-SR SFP+ Transceiver, 10G 850nm MMF, up to 300 Meters, Compatible with Ubiquiti UniFi UF-MM-10G