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Best Bx Modules of 2026
Best Choice
1
StarTechStarTech.com MSA Uncoded SFP Module - 100BASE-BX - 100Mb Ethernet BiDi Fiber Single Strand SFP Transceiver - LC 10km - MSA Compliant (SFP100BBXUST)
9.9
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
2
StarTechStarTech.com MSA Uncoded SFP+ Module - 10GBASE-BX - 10 Gigabit Ethernet BiDi Fiber Single Strand SFP+ Transceiver - LC 10km - MSA Compliant (SFP10GBBXDST)
9.8
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Value for Money
3
TP-LinkTP-Link 1000Base-BX WDM Bi-Directional SFP Module (TX:1550nm/RX:1310nm) (TL-SM321A)
9.6
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
4
TP-LinkTP-Link TL-SM321B 1000Base-BX WDM Bi-Directional SFP Module (TX: 1310nm/RX: 1550nm)
9.4
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
5
TP-LinkTP-Link TL-SM321A-2, 1000Base-BX WDM Bidirectional SFP Module
9.3
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
6
OPSTRANOPSTRAN 1000BASE-BX BiDi SFP Optical Transceiver Module Compatible with NETGEAR SFP-GE-BX 1550nm-TX/1310nm-RX 20km DOM Simplex LC SMF
9.2
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
mtxneoA Pair of 1.25G SFP Bidi Transceiver 1000Base-BIDI SingleMode Simplex LC Fiber Module SMF 1310nm/15500nm DDM up to 20 km for Cisco GLC-BX-D, Ubiquiti UniFi UF-SM-1G-S, Mikrotik and More (1)
9.1
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
StarTechStarTech.com MSA Uncoded SFP+ Module - 10GBASE-BX - 10 Gigabit Ethernet BiDi Fiber Single Strand SFP+ - LC 10km (SFP-10GB-BX-D-STA-ST)
8.8
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
9
TP-LinkTP-Link 1000Base-BX WDM Bi-Directional SFP Module, up to 2 km in 9/125 μm SMF, Supports Digital Diagnostic Monitoring (DDM) (SM321A-2)
8.6
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
10
TP-LinkTP-Link SM321B-2 1G SFP Gigabit Fiber Optic Module, 1000Base-BX Bi-Directional, 2km Single-Mode LC Connector, DDM, Hot-Swappable, for Switches & Routers
8.4
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
