Keystron, LLC is established in June, 2007. We started our business by manufacturing memory modules for PCs, laptops, printers and routers and selling the products online. Over the years we have expanded our manufacture process and product offers to include optical transceivers for network connectivity. We resell many named brand products and also offer our own brand memory and optical transceivers at a much more affordable prices.
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Intel E10GSFPSR Ethernet SFP+ SR Optics
Intel E10GSFPSR Ethernet SFP+ SR Optics
  • Brand: Intel
  • Model: E10GSFPSR
  • Device Type: Transceiver
  • Feature: Dual Rate 10GBASE-SR/ 1000BASE-SX Compatibility : Intel Ethernet Server Adapter X520 Series
  • Model #: E10GSFPSR
  • Return Policy: View Return Policy
Save 51%
$13.95
$28.78
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FINISAR CORPORATION FTLF1318P3BTL 1310NM FP, GIGE, 1X FC, 1.25 GB/S TRANSC
Finisar Industrial Temperature 1.25 Gb/s RoHS Compliant Long-Wavelength Pluggable SFP Transceiver
Finisar Accessories
  • Type: SFP (mini-GBIC)
  • Specifications: 1 x 1000Base-LX
  • Model #: FTLF1318P3BTL
  • Return Policy: View Return Policy
Save 20%
$35.00
$44.00
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FINISARFinisar Ftlx8571D3Bcv-It Finisar 1G 10G Dual Rate Sfp Fiber Optical Transceiver Module
FINISARFinisar Ftlx8571D3Bcv-It Finisar 1G 10G Dual Rate Sfp Fiber Optical Transceiver Module
  • Device Type: Transceiver
  • Wavelength: 850nm
  • Protocols: HCRP, SPP
  • Ports: LC duplex
  • Model #: FTLX8571D3BCV-IT
  • Return Policy: View Return Policy
$25.99
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New Dell FTLX8574D3BCL 10GBASE-SR 850nm SFP+ Transceiver Module C5RNH CN-0C5RNH
DELL
New Dell FTLX8574D3BCL 10GBASE-SR 850nm SFP+ Transceiver Module C5RNH CN-0C5RNH
$14.99
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Dell 407-BBOS Networking, Transceiver, SFP, 1000BASE-T - Kit
DELL
Dell 407-BBOS Networking, Transceiver, SFP, 1000BASE-T - Kit
  • Device Type: Transceiver
  • Protocols: HCRP, SPP
  • Weight: 0.1
  • Model #: 407-BBOS
  • Return Policy: View Return Policy
$77.59
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FINISAR CORPORATION FTLF8519P3BTL 850NM OXIDE VCSEL, GIGE, 1X/2X FC, 2.125
FINISAR CORPORATION FTLF8519P3BTL 850NM OXIDE VCSEL, GIGE, 1X/2X FC, 2.125
$32.99
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  • $30.35 - $32.99
Genuine Brocade 57-0000076-01 10GE 10km 1310nm SFP+ 10G-SFPP-LR 10GBE Tranceiver
Finisar FTLF8519P3BNL 1000BASE-SX  2.125Gb/s 850nm LC Connector SFP Transceiver
Cisco 2821 512MB Memory Module: MEM2821-512D
SAMSUNG
Cisco 2821 512MB Memory Module: MEM2821-512D
$14.00
Free Shipping
  • $12.88 - $14.00
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
Intel
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
$30.51
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Cisco Meraki Compatible MA-SFP-10GB-SR 10GBASE-SR SFP+ 850nm 300m Transceiver
Cisco Meraki Compatible MA-SFP-10GB-SR 10GBASE-SR SFP+ 850nm 300m Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0645
  • Item #: 9SIAUSYGAU1681
  • Return Policy: View Return Policy
$13.95
  • $12.07 - $13.95
Finisar FTLX1471D3BCL 10 GbE SR Multi-Mode SFP+ Transceiver
Finisar FTLX1471D3BCL 10 GbE SR Multi-Mode SFP+ Transceiver
  • Device Type: Transceiver
  • Wavelength: 1310nm
  • Protocols: 10x Fibre Channel Compliant 10 Gigabit Ethernet Compliant Wireless CPRI Compliant
  • Ports: LC
  • Model #: FTLX1471D3BCL
  • Return Policy: View Return Policy
Save 34%
$22.99
$35.00
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OEM Finisar Transceivers FTLX1471D3BCL SFP 10GBase LR 10Km 1310nm
OEM Finisar Transceivers FTLX1471D3BCL SFP 10GBase LR 10Km 1310nm
  • Device Type: Transceiver
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: FTLX1471D3BCL-N1
  • Return Policy: View Return Policy
$29.99
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INTEL FTLX8571D3BCV-IT Finisar 10GB/s 850nm Multimode SFP+SR Transceiver,H
Intel E10GSFPLR 10Gbps Dual Rate 10GBASE-LR SFP+ Module
Intel
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
  • Connectors: 1 x 10GBase-LR
  • Weight: 0.1
  • Parts: Lifetime limited
  • Labor: Lifetime limited
  • Model #: E10GSFPLR
  • Return Policy: View Return Policy
Save 18%
$25.99
$31.99
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Finisar FCLF8522P2BTL 1000BASE-T RoHS Compliant Copper SFP Transceiver
Finisar FCLF8522P2BTL 1000BASE-T RoHS Compliant Copper SFP Transceiver
  • Device Type: Transceiver
  • Ports: RJ-45
  • Max Distance: 100 m
  • Transfer Rate: 1.25 Gbps
  • Model #: FCLF8522P2BTL
  • Return Policy: View Return Policy
$32.59
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Finisar 10Gb/s 850nm Multimode Datacom SFP+ Tranceiver
Finisar FTLX8571D3BCL 10Gb/s 850nm Multimode Datacom SFP+ Transceiver
  • Type: XFP
  • Specifications: Form Factor: SFP+ Distance: 300 m Protocol: 10 Gb/s Fibre Channel Compliant, 10 Gigabit Ethernet Compliant Data Rate (max): 10.5 Gb/s Low End Case Temperature (°C): 0°C High End Case Temperature (°C): 70°C Diagnostics: Digital Transmitter: VCSEL Receiver: PIN Voltage Supply: 3.3 Connector: LC
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: FTLX8571D3BCL
  • Return Policy: View Return Policy
$16.20
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Finisar FCLF8521P2BTL 1000BASE-T RoHS Compliant Copper SFP Transceiver
Finisar FCLF8521P2BTL 1000BASE-T RoHS Compliant Copper SFP Transceiver
  • Device Type: Transceiver
  • Ports: RJ-45
  • Transfer Rate: 1.25 Gbps
  • Model #: FCLF8521P2BTL
  • Return Policy: View Return Policy
$24.89
Free Shipping