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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 Memory & Network Solutions Store
  • KEYSTRON MEMORY & NETWORK SOLUTIONS STORE
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About Us
Keystron Memory & Network Solutions Store
  • KEYSTRON MEMORY & NETWORK SOLUTIONS STORE
All Products
Return Policy
About Us
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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
Dell FCLF8521P2BTL-DL 1.25GbE RJ-45 SFP Transceiver
DELL
Refurbished: Dell FCLF8521P2BTL-DL 1.25GbE RJ-45 SFP Transceiver
$100.50
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 F/S E10GSFPSR Intel 10G Ethernet SFP+ SR Optic for X520-DA2/SR2
Intel
New F/S E10GSFPSR Intel 10G Ethernet SFP+ SR Optic for X520-DA2/SR2
$120.98
NEW F/S XYD50 DELL/Intel E10GSFPSR 10GB SR FC SFP+ 850nm Transceiver Module
Intel
NEW F/S XYD50 DELL/Intel E10GSFPSR 10GB SR FC SFP+ 850nm Transceiver Module
  • Type: Controller Card
  • Model #: E10GSFPSR --
  • Item #: 9SIV9XCH181566
  • Return Policy: View Return Policy
$78.98
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
Dell FCLF8522P2BTL-DL 1000BASE-T Copper SFP Transceiver
DELL
Refurbished: Dell FCLF8522P2BTL-DL 1000BASE-T Copper SFP Transceiver
$79.74
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
Ubiquiti Networks Compatible UF-MM-1G SFP Multi-Mode Fiber Module (2-Pack)
Ubiquiti Networks Compatible UF-MM-1G SFP Multi-Mode Fiber Module (2-Pack)
  • Device Type: Transceiver
  • Model #: PTNO-19C-0176
  • Item #: 9SIV9XCGZ38769
  • Return Policy: View Return Policy
$19.95
Cisco Meraki MA-SFP-1GB-SX Compatible 1000BASE-SX SFP 850nm 550m DOM
Cisco Meraki MA-SFP-1GB-SX Compatible 1000BASE-SX SFP 850nm 550m DOM
  • Device Type: Transceiver
  • Model #: PTNO-19C-0048
  • Item #: 9SIV9XCGZ38786
  • Return Policy: View Return Policy
$13.50
Alcatel-Lucent 3HE00062CB Compatible 10/100/1000BASE-T SFP Copper RJ-45 100m-855
Alcatel-Lucent 3HE00062CB Compatible 10/100/1000BASE-T SFP Copper RJ-45 100m-855
  • Device Type: Transceiver
  • Model #: PTNO-19C-0603
  • Item #: 9SIV9XCGZ38870
  • Return Policy: View Return Policy
$15.95
Supermicro Compatible AOC-E10GSFPSR AOC-TSR-FS SFP+ 850nm 10G/1G Transceivers
Supermicro Compatible AOC-E10GSFPSR AOC-TSR-FS SFP+ 850nm 10G/1G Transceivers
  • Device Type: Transceiver
  • Model #: PTNO-19C-0159
  • Item #: 9SIV9XCGZ38784
  • Return Policy: View Return Policy
$16.95
JUNIPER COMPATIBLE SFP-GE40KM 740-017726 1GE SMF SRX-SFP-1GE-LX40 40KM
JUNIPER COMPATIBLE SFP-GE40KM 740-017726 1GE SMF SRX-SFP-1GE-LX40 40KM
  • Device Type: Transceiver
  • Model #: PTNO-19C-0490
  • Item #: 9SIV9XCGZ38763
  • Return Policy: View Return Policy
$45.00
New Cisco GLC-LH-SMD 1.25G 1000Base-LH/LX 1310nm DDM SFP Compatible Module
New Cisco GLC-LH-SMD 1.25G 1000Base-LH/LX 1310nm DDM SFP Compatible Module
  • Device Type: Transceiver
  • Model #: PTNO-19C-0581
  • Item #: 9SIV9XCGZ38897
  • Return Policy: View Return Policy
$9.90
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