TP-Link TL-SM311LM Gigabit SFP Module, Multi-Mode, MiniGBIC, LC Interface, Up to 550/275m Distance - for Data Networking - 1 x 1000Base-SX
QSFPTEK 2Pack 1000Base-SX Transceiver MMF 850nm,550m,DOM, Gigabit Multimode SFP to LC Module, Mini-GBIC for Cisco GLC-SX-MMD, Meraki MA-SFP-1GB-SX, Mikrotik, Supermicro, Ubiquiti
QSFPTEK 4Pack 1000Base-SX Transceiver Gigabit Multimode SFP to LC Module, MMF 850nm,550m,DOM, Mini-GBIC for Cisco GLC-SX-MMD, Meraki MA-SFP-1GB-SX, Mikrotik, Supermicro, Ubiquiti, Netgear
10Gtek [2 Pack] Gigabit Ethernet Media Converter with a 1Gb SFP SX LC Multimode Module, 10/100/1000M RJ45 to 1000Base-SX, up to 550m, with a British Power Supply
H!Fiber.com Gigabit Ethernet Media Converter, 1.25G SFP to RJ45 Fiber to copper, with a SFP Transceiver (1000Base-SX, 550m, multimode)
QSFPTEK 1.25G Gigabit SFP Fiber SFP Module, 1000BASE-SX Multimode LC Mini-GBIC Transceiver 850nm 550m DDM for Juniper EX-SFP-1GE-SX/QFX-SFP-1GE-SX, Ubiquiti, Netgear, Mikrotik, D-Link, TP-Link