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  • Shop All Keystron, LLC Products At NeweggBusiness

  • 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. See More
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HP J4858C Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver HPE
HP J4858C Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver HPE
  • Device Type: Transceiver
  • Model #: PTNO-19C-0568
  • Item #: 9SIV9XCGZ38898
  • Return Policy: View Return Policy
$10.00
Mikrotik S-85DLC05D Compatible 1000BASE-SX SFP Transceiver 550m Multi Mode
Mikrotik S-85DLC05D Compatible 1000BASE-SX SFP Transceiver 550m Multi Mode
  • Device Type: Transceiver
  • Model #: PTNO-19C-0528
  • Item #: 9SIV9XCGZ38787
  • Return Policy: View Return Policy
$12.50
New AGM731F Netgear Compatible Transceivers with life-time warranty 1000Base-SX
New AGM731F Netgear Compatible Transceivers with life-time warranty 1000Base-SX
  • Device Type: Transceiver
  • Model #: PTNO-19C-0537
  • Item #: 9SIV9XCGZ38871
  • Return Policy: View Return Policy
$10.00
Arista Network Compatible SFP-1G-SX 1GE-SX XVR-00005-02 850nm 550m over MMF
Arista Network Compatible SFP-1G-SX 1GE-SX XVR-00005-02 850nm 550m over MMF
  • Device Type: Transceiver
  • Model #: PTNO-19C-0136
  • Item #: 9SIV9XCGZ38768
  • Return Policy: View Return Policy
$8.99
NEW DEM-311GT 100% D-Link Compatible 1000BASE-SX SFP LIFETIME WARRANTY
NEW DEM-311GT 100% D-Link Compatible 1000BASE-SX SFP LIFETIME WARRANTY
  • Device Type: Transceiver
  • Model #: PTNO-19C-0599
  • Item #: 9SIV9XCGZ38928
  • Return Policy: View Return Policy
$10.00
HP Compatible JD094B HPE PROCURVE X130 10G SFP+ LC LR TRANSCEIVER Made in USA
HP Compatible JD094B HPE PROCURVE X130 10G SFP+ LC LR TRANSCEIVER Made in USA
  • Device Type: Transceiver
  • Model #: PTNO-19C-0594
  • Item #: 9SIV9XCGZ38918
  • Return Policy: View Return Policy
$19.50
HIRSCHMANN M-SFP-LX/LC Compatible 943 015-001 1000BASE-LX 20km SMF Transceiver
HIRSCHMANN M-SFP-LX/LC Compatible 943 015-001 1000BASE-LX 20km SMF Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0105
  • Item #: 9SIV9XCGZ38776
  • Return Policy: View Return Policy
$7.54
HP JD089B Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver HPE
HP JD089B Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver HPE
  • Device Type: Transceiver
  • Model #: PTNO-19C-0737
  • Item #: 9SIV9XCGZ38942
  • Return Policy: View Return Policy
$15.00
Arista Network Compatible SFP-1G-LX XVR-00006-02 1GE 1310nm SMF 10km.
Arista Network Compatible SFP-1G-LX XVR-00006-02 1GE 1310nm SMF 10km.
  • Device Type: Transceiver
  • Model #: PTNO-19C-0137
  • Item #: 9SIV9XCGZ38773
  • Return Policy: View Return Policy
$31.96
Ubiquiti UF-MM-10G compatible SFP+SR 850nm 10GE MMF Edgemax EdgeRouter PRO
Ubiquiti UF-MM-10G compatible SFP+SR 850nm 10GE MMF Edgemax EdgeRouter PRO
  • Device Type: Transceiver
  • Model #: PTNO-19O-0753
  • Item #: 9SIV9XCGZ38971
  • Return Policy: View Return Policy
$16.98
Cisco GLC-ZX-SM Compatible 1000BASE-ZX SFP 1550nm 70km
Cisco GLC-ZX-SM Compatible 1000BASE-ZX SFP 1550nm 70km
  • Device Type: Transceiver
  • Model #: PTNO-19C-0051
  • Item #: 9SIV9XCGZ38747
  • Return Policy: View Return Policy
$34.95
D-Link Compatible DEM-431XT-DD 10GBASE-SR SFP+ 850nm 300m DOM Transceiver
D-Link Compatible DEM-431XT-DD 10GBASE-SR SFP+ 850nm 300m DOM Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0607
  • Item #: 9SIV9XCGZ38879
  • Return Policy: View Return Policy
$14.00
Dell Compatible 407-BBZM 49TNY Transceiver SFP+ 10 GbE SR 850nm MMF 300 m reach
Dell Compatible 407-BBZM 49TNY Transceiver SFP+ 10 GbE SR 850nm MMF 300 m reach
  • Device Type: Transceiver
  • Model #: PTNO-19C-0535
  • Item #: 9SIV9XCGZ38796
  • Return Policy: View Return Policy
$9.95
HPE Compatible JD118B 1000BASE-SX SFP Transceiver-850nm-550m DOM
HPE Compatible JD118B 1000BASE-SX SFP Transceiver-850nm-550m DOM
  • Device Type: Transceiver
  • Model #: PTNO-19C-0572
  • Item #: 9SIV9XCGZ38936
  • Return Policy: View Return Policy
$9.95
HIRSCHMANN Compatible 943 014-001 M-SFP-SX/LC 1000BASE-SX 850nm 550m MMF
HIRSCHMANN Compatible 943 014-001 M-SFP-SX/LC 1000BASE-SX 850nm 550m MMF
  • Device Type: Transceiver
  • Model #: PTNO-19C-0103
  • Item #: 9SIV9XCGZ38772
  • Return Policy: View Return Policy
$7.25
HPE Aruba Compatible JD092B SFP+SR LC 10GE 850nm 300m X130
HPE Aruba Compatible JD092B SFP+SR LC 10GE 850nm 300m X130
  • Device Type: Transceiver
  • Model #: PTNO-19C-0593
  • Item #: 9SIV9XCGZ38913
  • Return Policy: View Return Policy
$11.50
Intel E10GSFPLR Compatible 1000BASE-LX 10GBASE-LR SFP+ 1310nm 10km Transceiver
Intel E10GSFPLR Compatible 1000BASE-LX 10GBASE-LR SFP+ 1310nm 10km Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0043
  • Item #: 9SIV9XCGZ38782
  • Return Policy: View Return Policy
$19.96
HP Compatible J9151A HP X132 10GBASE-LR SFP+ 1310nm SMF 10km Transceiver
HP Compatible J9151A HP X132 10GBASE-LR SFP+ 1310nm SMF 10km Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0733
  • Item #: 9SIV9XCGZ38941
  • Return Policy: View Return Policy
$38.95
D-Link DEM-432XT-DD D-Link 10GBASE-LR SFP+ Module for 1310nm SMF TRANSCEIVER
D-Link DEM-432XT-DD D-Link 10GBASE-LR SFP+ Module for 1310nm SMF TRANSCEIVER
  • Device Type: Transceiver
  • Model #: PTNO-19C-0613
  • Item #: 9SIV9XCGZ38891
  • Return Policy: View Return Policy
$19.52
Finisar Compatible FTLX8574D3BCL SFP+ SR/SW 10Gb/s 850nm Multimode Transceiver
Finisar Compatible FTLX8574D3BCL SFP+ SR/SW 10Gb/s 850nm Multimode Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0173
  • Item #: 9SIV9XCGZ38766
  • Return Policy: View Return Policy
$15.00