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
  • 7 Followers 
     
    5(2 total ratings)
  • CONTACT
All Products
Reviews
2
Return Policy
About Us
Sort By
485 Items
View
  1. 2 / 9
FINISAR CORPORATION FTLF1318P3BTL 1310NM FP, GIGE, 1X FC, 1.25 GB/S TRANSC
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 6%
$13.95
$14.95
Free Shipping
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 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
Free Shipping
  • $30.35 - $32.99
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
Free Shipping
Genuine Brocade 57-0000076-01 10GE 10km 1310nm SFP+ 10G-SFPP-LR 10GBE Tranceiver
Refurbished: Genuine Brocade 57-0000076-01 10GE 10km 1310nm SFP+ 10G-SFPP-LR 10GBE Tranceiver
Save 20%
$29.99
$37.96
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
in 30 days
Finisar FTLF8519P3BNL 1000BASE-SX 2.125Gb/s 850nm LC Connector SFP Transceiver
Save 28%
$19.99
$28.05
Free Shipping
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
Intel
Intel E10GSFPLR Dual Rate 10GBASE-LR SFP+ Module
$30.51
Free Shipping
Finisar FTLX1471D3BCL 10 GbE SR Multi-Mode SFP+ Transceiver
in 30 days
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
Free Shipping
OEM Finisar Transceivers FTLX1471D3BCL SFP 10GBase LR 10Km 1310nm
in 30 days
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
Free Shipping
INTEL FTLX8571D3BCV-IT Finisar 10GB/s 850nm Multimode SFP+SR Transceiver,H
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
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
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
Save 44%
$24.89
$45.00
Free Shipping
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
$23.99
Free Shipping
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
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
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
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
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
  • Return Policy: View Return Policy
$9.97
Free Shipping
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
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
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%
$32.59
$66.81
Free Shipping
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
$25.99
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 22%
$35.00
$45.00
Free Shipping
Dell Intel SFP+ Module
DELL
Dell Intel SFP+ Module
  • Type: SFP+
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 407-BBVJ
  • Item #: 9SIAUSYFNP9401
  • Return Policy: View Return Policy
$23.08
Free Shipping
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
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
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 69%
$12.01
$39.09
Free Shipping
Palo Alto Networks Compatible PAN-SFP-CG - 1000BASE-T SFP Transceiver PA-7000
Palo Alto Networks Compatible PAN-SFP-CG - 1000BASE-T SFP Transceiver PA-7000
  • Device Type: Transceiver
  • Model #: PTNO-19C-0010
  • Item #: 9SIAUSYGAU1265
  • Return Policy: View Return Policy
$17.85
Free Shipping
  • $16.42 - $17.85
HIRSCHMANN M-FAST SFP-SM/LC Compatible 943 866-001 100BASE-SM SMF Transceiver
HIRSCHMANN M-FAST SFP-SM/LC Compatible 943 866-001 100BASE-SM SMF Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0108
  • Item #: 9SIAUSYGAU1333
  • Return Policy: View Return Policy
$68.25
Free Shipping
  • $62.79 - $68.25
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
Compatible Fortinet FG-TRAN-SFP+SR FN SFP-10G-SR FTLX8574D3BCL 850nm MMF 10GBE
Compatible Fortinet FG-TRAN-SFP+SR FN SFP-10G-SR FTLX8574D3BCL 850nm MMF 10GBE
  • Device Type: Transceiver
  • Model #: PTNO-19C-0498
  • Item #: 9SIAUSYGAU1320
  • Return Policy: View Return Policy
$10.50
Free Shipping
  • $9.66 - $10.50
MGBSX1 Cisco Linksys Compatible 1000BASE-SX 850nm 550m SFP Transceiver
MGBSX1 Cisco Linksys Compatible 1000BASE-SX 850nm 550m SFP Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0035
  • Item #: 9SIAUSYGAU1301
  • Return Policy: View Return Policy
$13.12
Free Shipping
  • $12.07 - $13.12
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 #: 9SIAUSYGAU1321
  • Return Policy: View Return Policy
$13.95
Free Shipping
  • $12.83 - $13.95
Finisar FTLX1471D3BCV SFP+ Module
Finisar Accessories
  • Type: SFP+
  • Specifications: 1 x 10GBase-X
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: FTLX1471D3BCV
  • Return Policy: View Return Policy
$48.68
Free Shipping
  • $44.79 - $48.68
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
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 #: 9SIAUSYGAU1307
  • Return Policy: View Return Policy
$13.42
Free Shipping
  • $12.35 - $13.42
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 #: 9SIAUSYGAU1341
  • Return Policy: View Return Policy
$9.40
Free Shipping
  • $8.65 - $9.40
ARISTA Compatible SFP-10G-LRL - 10GBASE-LRL SFP+ Optics Module 1310nm 1km SMF
ARISTA Compatible SFP-10G-LRL - 10GBASE-LRL SFP+ Optics Module 1310nm 1km SMF
  • Device Type: Transceiver
  • Model #: PTNO-19C-0134
  • Item #: 9SIAUSYGAU1310
  • Return Policy: View Return Policy
$19.95
Free Shipping
  • $18.35 - $19.95
Mellanox Compatible MC3208011-LX 1000BASE-LX SFP 1310nm 10km/20km Transceiver
Mellanox Compatible MC3208011-LX 1000BASE-LX SFP 1310nm 10km/20km Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0504
  • Item #: 9SIAUSYGAU1328
  • Return Policy: View Return Policy
$30.45
Free Shipping
  • $28.01 - $30.45
HP Compatible C8R25B MSA 10Gb Short Range iSCSI SFP+ 4-Pack Transceiver
HP Compatible C8R25B MSA 10Gb Short Range iSCSI SFP+ 4-Pack Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0664
  • Item #: 9SIAUSYGAU1527
  • Return Policy: View Return Policy
$61.00
Free Shipping
  • $56.12 - $61.00
Linksys Compatible MGBLX1 - 1000BASE-LX SMF 1310nm 10KM SFP Transceiver
Linksys Compatible MGBLX1 - 1000BASE-LX SMF 1310nm 10KM SFP Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0036
  • Item #: 9SIAUSYGAU1311
  • Return Policy: View Return Policy
$14.96
Free Shipping
  • $13.76 - $14.96
NETGEAR AGM734 Compatible 1000Base-T RJ-45 Copper SFP Transceiver
NETGEAR AGM734 Compatible 1000Base-T RJ-45 Copper SFP Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0516
  • Item #: 9SIAUSYGAU1499
  • Return Policy: View Return Policy
$25.51
Free Shipping
  • $23.47 - $25.51
D-Link Compatible DEM-431XT - 10GBASE-SR 300m 850nm SFP+ Transceiver
D-Link Compatible DEM-431XT - 10GBASE-SR 300m 850nm SFP+ Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0606
  • Item #: 9SIAUSYGAU1484
  • Return Policy: View Return Policy
$17.32
Free Shipping
  • $15.93 - $17.32
HPE Compatible C8R24B MSA 16Gb Short Wave Fibre Channel SFP+ 4-pack Transceiver
HPE Compatible C8R24B MSA 16Gb Short Wave Fibre Channel SFP+ 4-pack Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0661
  • Item #: 9SIAUSYGAU1523
  • Return Policy: View Return Policy
$187.95
Free Shipping
  • $172.91 - $187.95
TP-Link Compatible TXM431-SR 10GBASE-SR 300m 850nm SFP+ Transceiver
TP-Link Compatible TXM431-SR 10GBASE-SR 300m 850nm SFP+ Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0163
  • Item #: 9SIAUSYGAU1279
  • Return Policy: View Return Policy
$25.79
Free Shipping
  • $23.73 - $25.79
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
Mikrotik S+85DLC03D Compatible 10GBASE-SR SFP+ 850nm 300m DOM Transceiver
Mikrotik S+85DLC03D Compatible 10GBASE-SR SFP+ 850nm 300m DOM Transceiver
  • Device Type: Transceiver
  • Model #: PTNO-19C-0556
  • Item #: 9SIAUSYGAU1571
  • Return Policy: View Return Policy
$13.10
Free Shipping
  • $12.05 - $13.10
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 #: 9SIAUSYGAU1920
  • Return Policy: View Return Policy
$9.99
Free Shipping
  • $9.19 - $9.99
SanDisk SDCFS-256-A99 256mb Shoot and Store Compactflash Card
SanDisk
SanDisk SDCFS-256-A99 256mb Shoot and Store Compactflash Card
$32.71
Free Shipping
  • $30.09 - $32.71
DELL 407-BBOP network transceiver module
DELL
DELL 407-BBOP network transceiver module
  • Device Type: Transceiver
  • Parts: 30 days warranty
  • Labor: 30 days warranty
  • Model #: 407-BBOP
  • Return Policy: View Return Policy
$60.89
Free Shipping
DELL 407-10588 407-BBOO 1000Base-LX SFP 1310nm SMF 10km
DELL
DELL 407-10588 407-BBOO 1000Base-LX SFP 1310nm SMF 10km
$210.32
Free Shipping
Finisar 1000Base-SX SFP Transceiver Module
Finisar Accessories
  • Type: SFP
  • Specifications: 1 x 1000Base-SX
  • Model #: FTLF8519P2BNL
  • Return Policy: View Return Policy
$23.95
Free Shipping
Dell 407-BBVJ HN12K Dell Intel SFP+SR 10Gb-1Gb transceiver.
DELL
Dell 407-BBVJ HN12K Dell Intel SFP+SR 10Gb-1Gb transceiver.
$20.97
Free Shipping