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
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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
Intel SFP+ Module - For Data Networking, Optical Network 1 x 10GBase-SR Network - Optical Fiber Multi-mode - 10 Gigabit Ethernet - 10GBase-SR - Hot-pluggable
Intel
Intel SFP+ Module - For Data Networking, Optical Network 1 x 10GBase-SR Network - Optical Fiber Multi-mode - 10 Gigabit Ethernet - 10GBase-SR - Hot-pluggable
  • Compatible Brand: Intel
  • Device Type: Transceiver
  • Fiber Cable: Multi-mode Optical Fiber
  • Ports: 10GBase-SR
  • Model #: E10GSFPSRX
  • Return Policy: View Return Policy
$35.49
Free Shipping
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
Intel
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
$30.51
Free Shipping
Cisco 2821 512MB Memory Module: MEM2821-512D
SAMSUNG
Cisco 2821 512MB Memory Module: MEM2821-512D
$14.00
Free Shipping
  • $12.88 - $14.00
Finisar FTLF8519P3BNL 1000BASE-SX  2.125Gb/s 850nm LC Connector SFP Transceiver
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
$26.50
Free Shipping
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
$37.90
Free Shipping
INTEL FTLX8571D3BCV-IT Finisar 10GB/s 850nm Multimode SFP+SR Transceiver,H
Intel
INTEL FTLX8571D3BCV-IT Finisar 10GB/s 850nm Multimode SFP+SR Transceiver,H
$26.98
Free Shipping
  • $24.82 - $26.98
Juniper EX-SFP-1GE-SX, SFP optical transceiver
Juniper EX-SFP-1GE-SX, SFP optical transceiver
  • Device Type: Transceiver
  • Dimensions: 7 x 4.25 x 1
  • Model #: EX-SFP-1GE-SX-2A--NW
  • Return Policy: View Return Policy
$24.94
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J4858D 1G SFP LC SX 500m MMF XCVR HP and Aruba Compatible Lifetime Warranty
J4858D 1G SFP LC SX 500m MMF XCVR HP and Aruba Compatible Lifetime Warranty
  • Device Type: Transceiver
  • Model #: PTNO-19C-0569
  • Item #: 9SIAUSYGAU1639
  • Return Policy: View Return Policy
$12.17
Free Shipping
  • $11.20 - $12.17
Dell 407-BBOU Networking, Transceiver, SFP+, 10GbE, SR, 850nm Wavelength, 300m Reach
DELL
Dell 407-BBOU Networking, Transceiver, SFP+, 10GbE, SR, 850nm Wavelength, 300m Reach
  • Device Type: SFP+ transceiver module
  • Wavelength: 850nm
  • Fiber Cable: 10GBase-SR
  • Protocols: 10 GigE
  • Model #: 407-BBOU
  • Return Policy: View Return Policy
$25.99
Free Shipping
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
$14.79
$14.95
Free Shipping
  • $13.79 - $14.79
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
Finisar FTLX1471D3BCL Datacom SFP+ Transceiver
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
  • Return Policy: View Return Policy
$13.00
Free Shipping
FINISAR CORPORATION FTLF1318P3BTL 1310NM FP, GIGE, 1X FC, 1.25 GB/S TRANSC
S-31DLC20D MikroTik Compatible 1000Base-LX 20KM SFP Transceiver module 1310nm
S-31DLC20D MikroTik Compatible 1000Base-LX 20KM SFP Transceiver module 1310nm
  • Device Type: Transceiver
  • Model #: PTNO-19C-0527
  • Item #: 9SIAUSYGAU3980
  • Return Policy: View Return Policy
$15.52
Free Shipping
  • $11.52 - $15.52
Intel FTLX8574D3BCV-IT 10G/1G Dual Rate SFP+ Optical Transceiver - 850 nm - 10G BASE-SR and 1000 BASE-SX
Intel
Refurbished: Intel FTLX8574D3BCV-IT 10G/1G Dual Rate SFP+ Optical Transceiver - 850 nm - 10G BASE-SR and 1000 BASE-SX
  • Device Type: Transceiver
  • Wavelength: 850nm
  • Ports: 1 x LC Duplex 10GBase-SR
  • Max Distance: 300m
  • Model #: FTLX8574D3BCV-IT
  • Item #: 9SIAUSYKGH5675
  • Return Policy: View Return Policy
$10.49
Free Shipping
NEW Cisco Compatible SFP-10G-SR 10Gb SFP+ Transceiver 850nm LIFETIME WARRANTY
NEW Cisco Compatible SFP-10G-SR 10Gb SFP+ Transceiver 850nm LIFETIME WARRANTY
  • Device Type: Transceiver
  • Model #: PTNO-19C-0628
  • Item #: 9SIAUSYGAU1661
  • Return Policy: View Return Policy
$9.50
Free Shipping
  • $8.74 - $9.50
QNAP TRX-10GSFP-SR-MLX Mellanox MFM1T02A-SR 10GbE Transceiver
QNAP TRX-10GSFP-SR-MLX Mellanox MFM1T02A-SR 10GbE Transceiver
  • Type: Accessory
  • Model #: QN#TRX10GSFPSRMLX
  • Item #: 9SIAUSYFPR2125
  • Return Policy: View Return Policy
$155.73
Free Shipping
  • $143.27 - $155.73
Supermicro Compatible AOC-E10GSFPLR SFP+ transceiver module
Supermicro Compatible AOC-E10GSFPLR SFP+ transceiver module
  • Device Type: Transceiver
  • Model #: PTNO-19C-0160
  • Item #: 9SIAUSYGAU1338
  • Return Policy: View Return Policy
$15.44
Free Shipping
  • $14.20 - $15.44