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Keystron, LLC is established in August, 2008. 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.READ MORE
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SanDisk 256MB Compact Flash (CF) Flash Card Model SDCFB-256-A10
- Parts: Lifetime limited
- Labor: Lifetime limited
- Model #: SDCFB-256-A10
- Item #: 9SIAUSWF789513
- Return Policy: View Return Policy
$63.60
$16.95 Shipping
- Connectors: 1 x 10GBase-LR
- Weight: 0.1
- Parts: Lifetime limited
- Labor: Lifetime limited
- Model #: E10GSFPLR
- Return Policy: View Return Policy
$72.53
$93.78
$16.95 Shipping
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
$44.03
$16.95 Shipping
HP Compatible JD094B HPE PROCURVE X130 10G SFP+ LC LR TRANSCEIVER Made in USA
- Device Type: Transceiver
- Model #: PTNO-19C-0594
- Item #: 9SIAUSWHA22224
- Return Policy: View Return Policy
$26.22
$16.95 Shipping
- 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
$67.24
$16.95 Shipping
HPE Aruba Compatible J8177D 1G SFP RJ45 T 100m Cat5e Transceiver - 1000Base-T
- Device Type: Transceiver
- Model #: PTNO-19C-0576
- Item #: 9SIAUSWHA22195
- Return Policy: View Return Policy
$20.84
$16.95 Shipping
TP-Link Compatible TXM431-SR 10GBASE-SR 300m 850nm SFP+ Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0163
- Item #: 9SIAUSWHA22053
- Return Policy: View Return Policy
$33.55
$16.95 Shipping
- Device Type: Transceiver
- Parts: 30 days warranty
- Labor: 30 days warranty
- Model #: E65689001
- Return Policy: View Return Policy
$68.52
$16.95 Shipping
Finisar SFP+ Transceiver Module 10GBase-LR/LW/LC Single-Mode - 1310 nm
- Device Type: Transceiver
- Model #: FTLX1471D3BCL
- Item #: 9SIAUSWF7A5530
- Return Policy: View Return Policy
$112.04
$16.95 Shipping
Finisar 1GFC/2GFC/GE 850nm -20 to 85C SFP Transceiver FTLF8519P3BNL
- Device Type: Transceiver
- Model #: FTLF8519P3BNL
- Return Policy: View Return Policy
$39.63
$16.95 Shipping
- Device Type: SFP (mini-GBIC) transceiver module
- Fiber Cable: 1000Base-T
- Protocols: GigE
- Max Distance: up to 100m
- Model #: 407-BBOS
- Item #: 9SIAUSWG290490
- Return Policy: View Return Policy
$127.94
$16.95 Shipping
Finisar Accessories
- Type: SFP (mini-GBIC)
- Specifications: 1 x 1000Base-LX
- Model #: FTLF1318P3BTL
- Return Policy: View Return Policy
$70.61
$16.95 Shipping
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
$16.03
$16.95 Shipping
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
$67.98
$16.95 Shipping
HP Compatible J9151A HP X132 10GBASE-LR SFP+ 1310nm SMF 10km Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0733
- Item #: 9SIAUSWHA22235
- Return Policy: View Return Policy
$52.37
$16.95 Shipping
HPE Aruba Compatible J9151D J9151E - 10G SFP+ LC LR 10km SMF XCVR
- Device Type: Transceiver
- Model #: PTNO-19C-0678
- Item #: 9SIAUSWHA22209
- Return Policy: View Return Policy
$40.32
$16.95 Shipping
MA-SFP-1GB-LX10 Cisco Meraki Compatible 1000BASE-LX SFP 1310nm 10km Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0049
- Item #: 9SIAUSWHA22092
- Return Policy: View Return Policy
$21.73
$16.95 Shipping
NEW Cisco Compatible SFP-10G-LR 10GBASE-LR, SFP+ SMF 1310nm 10km LC DOM
- Device Type: Transceiver
- Model #: PTNO-19C-0644
- Item #: 9SIAUSWHA22228
- Return Policy: View Return Policy
$66.89
$16.95 Shipping
NVIDIA Mellanox Compatible MC3208011-SX Optical Transceiver 1GbE SFP LC-LC
- Device Type: Transceiver
- Model #: PTNO-19C-0503
- Item #: 9SIAUSWHA22074
- Return Policy: View Return Policy
$12.10
$16.95 Shipping
HIRSCHMANN M-SFP-LH/LC Compatible 943 042-001 1000BASE-LH 80km SMF Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0107
- Item #: 9SIAUSWHA22089
- Return Policy: View Return Policy
$268.84
$16.95 Shipping
F5 Networks Compatible 10G F5-UPG-SFP+LR-R SFP+ SMF 1310nm 10km OPT-0017-00
- Device Type: Transceiver
- Model #: PTNO-19C-0131
- Item #: 9SIAUSWHA22057
- Return Policy: View Return Policy
$43.02
$16.95 Shipping
Palo Alto Networks Compatible PAN-SFP-CG - 1000BASE-T SFP Transceiver PA-7000
- Device Type: Transceiver
- Model #: PTNO-19C-0010
- Item #: 9SIAUSWHA22050
- Return Policy: View Return Policy
$22.86
$16.95 Shipping
Cisco Meraki Compatible MA-SFP-10GB-SR 10GBASE-SR SFP+ 850nm 300m Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0645
- Item #: 9SIAUSWHA22232
- Return Policy: View Return Policy
$16.81
$16.95 Shipping
SFP-1G-T Arista Compatible SFP 1000base-T Transceiver SFP-RJ45 XVR-00007-02
- Device Type: Transceiver
- Model #: PTNO-19C-0711
- Item #: 9SIAUSWHA22227
- Return Policy: View Return Policy
$24.20
$16.95 Shipping
Palo Alto Networks Compatible PAN-SFP-SX - 1000BASE-SX 550m 850nm SFP
- Device Type: Transceiver
- Model #: PTNO-19C-0011
- Item #: 9SIAUSWHA22054
- Return Policy: View Return Policy
$67.88
$16.95 Shipping
Palo Alto Networks Compatible PAN-SFP-LX - 1000BASE-LX 10km 1310nm SFP
- Device Type: Transceiver
- Model #: PTNO-19C-0012
- Item #: 9SIAUSWHA22060
- Return Policy: View Return Policy
$37.04
$16.95 Shipping
Ubiquiti Networks Compatible UF-MM-1G SFP Multi-Mode Fiber Module (2-Pack)
- Device Type: Transceiver
- Model #: PTNO-19C-0176
- Item #: 9SIAUSWHA22073
- Return Policy: View Return Policy
$26.82
$16.95 Shipping
NEW Cisco Compatible SFP-10G-SR 10Gb SFP+ Transceiver 850nm LIFETIME WARRANTY
- Device Type: Transceiver
- Model #: PTNO-19C-0628
- Item #: 9SIAUSWHA22225
- Return Policy: View Return Policy
$67.32
$16.95 Shipping
Cisco Meraki MA-SFP-1GB-SX Compatible 1000BASE-SX SFP 850nm 550m DOM
- Device Type: Transceiver
- Model #: PTNO-19C-0048
- Item #: 9SIAUSWHA22088
- Return Policy: View Return Policy
$68.33
$16.95 Shipping
HIRSCHMANN M-SFP-LX/LC Compatible 943 015-001 1000BASE-LX 20km SMF Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0105
- Item #: 9SIAUSWHA22081
- Return Policy: View Return Policy
$10.14
$16.95 Shipping
HIRSCHMANN M-SFP-LX+/LC Compatible 942 023-001 1000BASE-LX 40km SM Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0106
- Item #: 9SIAUSWHA22085
- Return Policy: View Return Policy
$28.91
$16.95 Shipping
Cisco Compatible SFP-10G-SR-S 850nm Transceiver 400m on OM4 MMF
- Device Type: Transceiver
- Model #: PTNO-19C-0626
- Item #: 9SIAUSWHA22216
- Return Policy: View Return Policy
$67.08
$16.95 Shipping
HIRSCHMANN M-FAST SFP-SM/LC Compatible 943 866-001 100BASE-SM SMF Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0108
- Item #: 9SIAUSWHA22093
- Return Policy: View Return Policy
$87.39
$16.95 Shipping
NEW J4859D HP HPE Aruba Compatible 1G SFP LC LX 10km SMF Transceiver Warranty
- Device Type: Transceiver
- Model #: PTNO-19C-0571
- Item #: 9SIAUSWHA22226
- Return Policy: View Return Policy
$22.59
$16.95 Shipping
Allied Telesis Compatible AT-SP10SR 10G SFP+SR 300M Optical Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0559
- Item #: 9SIAUSWHA22206
- Return Policy: View Return Policy
$26.82
$16.95 Shipping
F5 NETWORKS Compatible OPT-0016-00 F5-UPG-SFP+-R 10GBASE/SR transceiver 10gb
- Device Type: Transceiver
- Model #: PTNO-19C-0129
- Item #: 9SIAUSWHA22052
- Return Policy: View Return Policy
$12.76
$16.95 Shipping
HIRSCHMANN Compatible 943 014-001 M-SFP-SX/LC 1000BASE-SX 850nm 550m MMF
- Device Type: Transceiver
- Model #: PTNO-19C-0103
- Item #: 9SIAUSWHA22076
- Return Policy: View Return Policy
$9.75
$16.95 Shipping
Arista Compatible SFP-10G-LR XVR-00003-02 SFP+LR 1310nm 10km SMF.
- Device Type: Transceiver
- Model #: PTNO-19C-0133
- Item #: 9SIAUSWHA22063
- Return Policy: View Return Policy
$30.92
$16.95 Shipping
Ubiquiti Compatible UF-SM-10G SFP-10G-LR SFP+LR 1310nm 10km SMF US-16-XG
- Device Type: Transceiver
- Model #: PTNO-19O-0754
- Item #: 9SIAUSWHA22355
- Return Policy: View Return Policy
$67.70
$16.95 Shipping
JUNIPER COMPATIBLE SFP-GE40KM 740-017726 1GE SMF SRX-SFP-1GE-LX40 40KM
- Device Type: Transceiver
- Model #: PTNO-19C-0490
- Item #: 9SIAUSWHA22066
- Return Policy: View Return Policy
$60.50
$16.95 Shipping
TP-Link Compatible TXM431-LR SFP+ 10GBASE-LR 1310nm 10km Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0162
- Item #: 9SIAUSWHA22095
- Return Policy: View Return Policy
$87.39
$16.95 Shipping
AXM762 Netgear Compatible 10GBASE-LR SFP+ 10G SMF 1310nm 10km Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0132
- Item #: 9SIAUSWHA22059
- Return Policy: View Return Policy
$68.01
$16.95 Shipping
Intel E10GSFPSR Compatible 1000BASE-SX 10GBASE-SR SFP+ 850nm 300m Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0042
- Item #: 9SIAUSWHA22080
- Return Policy: View Return Policy
$68.33
$16.95 Shipping
MGBSX1 Cisco Linksys Compatible 1000BASE-SX 850nm 550m SFP Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0035
- Item #: 9SIAUSWHA22068
- Return Policy: View Return Policy
$35.52
$16.95 Shipping
Cisco Compatible GLC-LH-SM 1000Base-LX/LH SFP Transceiver Module 1310nm 10KM
- Device Type: Transceiver
- Model #: PTNO-19C-0580
- Item #: 9SIAUSWHA22207
- Return Policy: View Return Policy
$68.05
$16.95 Shipping
Cisco GLC-T Compatible 1000BASE-T SFP Copper RJ-45 100m Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0326
- Item #: 9SIAUSWHA22061
- Return Policy: View Return Policy
$68.11
$16.95 Shipping
HP J4858C Compatible 1000BASE-SX SFP 850nm 550m DOM Transceiver HPE
- Device Type: Transceiver
- Model #: PTNO-19C-0568
- Item #: 9SIAUSWHA22214
- Return Policy: View Return Policy
$13.45
$16.95 Shipping
Mikrotik S-85DLC05D Compatible 1000BASE-SX SFP Transceiver 550m Multi Mode
- Device Type: Transceiver
- Model #: PTNO-19C-0528
- Item #: 9SIAUSWHA22090
- Return Policy: View Return Policy
$68.33
$16.95 Shipping
HPE Compatible JD118B 1000BASE-SX SFP Transceiver-850nm-550m DOM
- Device Type: Transceiver
- Model #: PTNO-19C-0572
- Item #: 9SIAUSWHA22230
- Return Policy: View Return Policy
$67.99
$16.95 Shipping
J4858D 1G SFP LC SX 500m MMF XCVR HP and Aruba Compatible Lifetime Warranty
- Device Type: Transceiver
- Model #: PTNO-19C-0569
- Item #: 9SIAUSWHA22218
- Return Policy: View Return Policy
$14.12
$16.95 Shipping
For Ubiquiti UF-SM-1G Compatible 1000BASE-LX SFP 1310nm 10km Transceiver Module
- Device Type: Transceiver
- Model #: PTNO-19C-0467
- Item #: 9SIAUSWHA22062
- Return Policy: View Return Policy
$67.66
$16.95 Shipping
S-31DLC20D MikroTik Compatible 1000Base-LX 20KM SFP Transceiver module 1310nm
- Device Type: Transceiver
- Model #: PTNO-19C-0527
- Item #: 9SIAUSWHA22086
- Return Policy: View Return Policy
$16.81
$16.95 Shipping
TP-Link Compatible 1000BASE-LX TL-SM311LS SFP 1310nm 10km DOM Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0157
- Item #: 9SIAUSWHA22083
- Return Policy: View Return Policy
$68.52
$16.95 Shipping
NETGEAR AGM734 Compatible 1000Base-T RJ-45 Copper SFP Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0516
- Item #: 9SIAUSWHA22194
- Return Policy: View Return Policy
$67.92
$16.95 Shipping
Cisco Meraki MA-SFP-1GB-TX Compatible 1000BASETX SFP Copper RJ-45 100m
- Device Type: Transceiver
- Model #: PTNO-19C-0050
- Item #: 9SIAUSWHA22097
- Return Policy: View Return Policy
$68.54
$16.95 Shipping
Intel E10GSFPLR Compatible 1000BASE-LX 10GBASE-LR SFP+ 1310nm 10km Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0043
- Item #: 9SIAUSWHA22084
- Return Policy: View Return Policy
$26.84
$16.95 Shipping
TP-Link Compatible 1000BASE-SX TL-SM311LM SFP MiniGBIC Module Multi-mode Fiber
- Device Type: Transceiver
- Model #: PTNO-19C-0156
- Item #: 9SIAUSWHA22079
- Return Policy: View Return Policy
$68.09
$16.95 Shipping
ARISTA Compatible SFP-10G-LRL - 10GBASE-LRL SFP+ Optics Module 1310nm 1km SMF
- Device Type: Transceiver
- Model #: PTNO-19C-0134
- Item #: 9SIAUSWHA22067
- Return Policy: View Return Policy
$25.55
$16.95 Shipping
D-Link Compatible DEM-431XT - 10GBASE-SR 300m 850nm SFP+ Transceiver
- Device Type: Transceiver
- Model #: PTNO-19C-0606
- Item #: 9SIAUSWHA22191
- Return Policy: View Return Policy
$68.14
$16.95 Shipping
Dell Compatible 407-BBZM 49TNY Transceiver SFP+ 10 GbE SR 850nm MMF 300 m reach
- Device Type: Transceiver
- Model #: PTNO-19C-0535
- Item #: 9SIAUSWHA22099
- Return Policy: View Return Policy
$12.03
$16.95 Shipping