Advertising Disclosure
Best Bx Modules of 2026
Best Choice
1
H!Fiber.comH!Fiber.com HiFiber 10GBASE-BX SFP+ BiDi Singlemode Transceiver Module
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.
3
TP-LinkTP-Link SM321A Gigabit WDM Bi-Directional SFP Module, 1000Base-BX, Single-Mode LC Simplex, TX1550nm/RX1310nm, Up to 20km, DDM, Hot-Swappable
9.7
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
4
10Gtek[1 Pair] 10Gtek 1000Base-BiDi SFP Singlemode Module 20km, 1490nm/1310nm
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.
5
QSFPTEKQSFPTEK 1.25G BIDI WDM SFP Module, 1000Base-BIDI Transceiver 20km Simplex LC Port, Tx1310/Rx1550nm Transceiver Compatible with Cisco GLC-BX-U, GLC-BX-D, UF-SM-1G-S, Mikrotik (SMF, 20km, DDM)
9.5
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
QSFPTEKQSFPTEK 1.25G BIDI SFP Module, 1000Base-BIDI WDM Transceiver 3km Simplex LC DDM, Tx1310/Rx1550nm Transceiver Compatible with Cisco GLC-BX-U and GLC-BX-D, Ubiquiti, Mikrotik, D-Link, Supermicro
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.
7
TP-LinkTP-Link TL-SM321B-2, Bidirectional 1000Base-BX WDM-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.
8
TP-LinkTP-Link TL-SM321B 1000Base-BX WDM Bi-Directional SFP Module (TX: 1310nm/RX: 1550nm)
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.
9
QSFPTEKQSFPTEK 1.25G BIDI WDM SFP Module, 1000Base-BIDI Transceiver 3km Simplex SC DDM, Tx1310/Rx1550nm Transceiver Compatible with Cisco GLC-BX-U, GLC-BX-D, Ubiquiti, Mikrotik, D-Link, Supermicro
9.0
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.
10
QSFPTEKQSFPTEK 1.25G BIDI WDM SFP Module, 1000Base-BIDI Transceiver 20km Simplex SC, Tx1310/Rx1550nm Transceiver Compatible with Cisco GLC-BX-U, GLC-BX-D, Ubiquiti UniFi UF-SM-1G-S, Mikrotik (SMF, 20km, DDM)
8.9
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.
