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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.
Keystron Store
  • KEYSTRON STORE
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Cisco Compatible SFP-10G-SR-S 850nm Transceiver 400m on OM4 MMF
Cisco Compatible SFP-10G-SR-S 850nm Transceiver 400m on OM4 MMF
  • Device Type: Transceiver
  • Model #: PTNO-19C-0626
  • Item #: 9SIAUSYGAU1630
  • Return Policy: View Return Policy
$10.00
Free Shipping
  • $9.20 - $10.00
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
Intel
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
$30.51
Free Shipping
Dell SFP Transceiver Module 407-BBOO Transceiver Module
DELL
Dell SFP Transceiver Module 407-BBOO Transceiver Module
  • Device Type: Transceiver
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 407-BBOO
  • Return Policy: View Return Policy
$103.99
Free Shipping
F5 Networks Compatible 10G F5-UPG-SFP+LR-R SFP+ SMF 1310nm 10km OPT-0017-00
F5 Networks Compatible 10G F5-UPG-SFP+LR-R SFP+ SMF 1310nm 10km OPT-0017-00
  • Device Type: Transceiver
  • Model #: PTNO-19C-0131
  • Item #: 9SIAUSYGAU1275
  • Return Policy: View Return Policy
$33.60
Free Shipping
  • $30.91 - $33.60
Intel E10GSFPSR Ethernet SFP+ SR Optics
(5)Intel
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
$14.79
Free Shipping
  • $13.79 - $14.79
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
$28.89
Free Shipping
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 21%
$35.13
$45.00
Free Shipping
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
Save 51%
$32.99
$67.70
Free Shipping
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 22%
$26.99
$35.00
Free Shipping
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
$77.99
Free Shipping
Finisar 10Gb/s 850nm Multimode Datacom SFP+ Tranceiver
(1)
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
Free Shipping
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
Chelsio SM10G-SR 10GBase-SR XFP Module
Chelsio SM10G-SR 10GBase-SR XFP Module
  • Type: XFP
  • Specifications: Interfaces/Ports: 1 x 10GBase-SR Interfaces/Ports Details: 1 x LC Duplex 10GBase-SR Connectivity Media: Multi-mode Optical Fiber 10GBase-SR Data Transfer Rate: 10 Gbps Gigabit Ethernet Compatibility: Cheliso N320E Server Adapter
  • Model #: SM10G-SR
  • Return Policy: View Return Policy
Save 17%
$27.52
$33.21
Free Shipping
  • $25.32 - $27.52
Intel AFBR-703SDZ-IN2 Dual Rate 1G/10G SFP+ SR (bailed)
Intel
Intel AFBR-703SDZ-IN2 Dual Rate 1G/10G SFP+ SR (bailed)
  • Device Type: Transceiver
  • Network Media: Optical Fiber 10GBase-SR
  • Ports: 10GBase-SR
  • Transfer Rate: 10 Gbps
  • Model #: AFBR-703SDZ-IN2
  • Return Policy: View Return Policy
$21.40
Free Shipping
Finisar 32G Fibre Channel (32GFC) Short-Wavelength SFP28 Optical Transceiver
Finisar 32G Fibre Channel (32GFC) Short-Wavelength SFP28 Optical Transceiver
$105.00
Free Shipping
Dell Intel SFP+ Module
DELL
Dell Intel SFP+ Module
  • Type: SFP+
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 407-BBVJ
  • Return Policy: View Return Policy
$23.08
Free Shipping
Dell SFP plus Transceiver Module - 407-BBOU Adapter
DELL
Dell SFP plus Transceiver Module - 407-BBOU Adapter
  • Device Type: Transceiver
  • Protocols: HCRP, SPP
  • Weight: 0.31
  • Model #: 407-BBOU
  • Return Policy: View Return Policy
Save 59%
$12.01
$29.69
Free Shipping
Memory Upgrade 16MB FLASH UPGRD FOR CISCO 1700 ( MEM1700-16MFC=AO )
Memory Upgrade 16MB FLASH UPGRD FOR CISCO 1700 ( MEM1700-16MFC=AO )
$19.00
Free Shipping
Dell SFP+ Module
DELL
Dell SFP+ Module
$53.00
Free Shipping
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