My shopping cart
Your cart is currently empty.
Continue ShoppingSign up for our mailing list and be the first to know about promotions, events, and new product releases.
QSFP-40G-CSR4-TFO
The QSFP-40G-CSR4 is an optical transceiver module from TenFourOptics. Plug-and-play, no configuration required. Key specifications: 40G, 400m, 850nm, MPO-12 UPC, MMF, ESR4.
Backed by TenFourOptics' GreenLights4Life® lifetime warranty — buy it once, covered forever. In stock and ships same or next business day. Trusted by network engineers and procurement teams across North America for over 10 years.
Vendor: Cisco
Sign up for GREENLIGHTS💚4LIFE!
© 2026 TenFourOptics® |