Spec score 8.6
QSFP56+, 400 Speed, Single-mode fiber, 1310 nm
+400 Gbps speed for very high-bandwidth links
+10 km reach over single-mode fiber
+1310 nm wavelength for single-mode links
−Single-mode fiber only, no multimode support
$7,599.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Compufox 400GBASE-LR8 QSFP-DD PAM4 Transceiver (SMF, 1310nm, 10km, LC, DOM) Compatible with Arista QSFPDD-LR8-400G$7,599.00as of 11/04/2026 06:07 PST - Details
View on AmazonSpec score8.6
Pros
+400 Gbps speed for very high-bandwidth links
+10 km reach over single-mode fiber
+1310 nm wavelength for single-mode links
+LC connector with DOM monitoring
Cons−Single-mode fiber only, no multimode support
Compared with the 4 Network Transceivers on this page+400 speed: the highest speed of the 12 here
How pros and cons are picked (About: Disclaimer)About this product


