How much does this cost to the nearest dollar?

Cisco SFP Module for Gigabit Ethernet Deployments, Hot Swappable, 5-Year Standard Warranty (GLC-SX-MMD=)
The Cisco SFP Module is an industry-standard Small Form-Factor Pluggable (SFP) Gigabit Interface Converter that links switches and routers to the network. Featuring a robust design for enhanced reliability, this SFP receiver/transmitter module plugs into a Gigabit Ethernet port or slot and is hot-swappable to maximize uptime and simplify serviceability. COMPATIBILITY SFP is designed for operation on multimode fiber OPERATION Operates distances up to 1km over laser-optimized 50 μm core multimode fiber cable HOT SWAPPABLE Plugs into an Ethernet SFP port or slot with no need to power down if installing or replacing VERS

Price is $278.00

Price: $277.52