Spec score 9.5
400 Speed, Single-mode fiber, 1550 nm
+400 Gbps speed
+Reaches up to 80 km over single-mode fiber
+1550 nm wavelength for long-haul links
−Requires single-mode fiber
$7,115.82
as of 11/04/2026 10:09 PST - DetailsProduct details
APFLWPCYL QDD-400G-ZRP-S QDD 400G 1550nm 80km Single-Mode Optical Module Optical Transceiver$7,115.82as of 11/04/2026 10:09 PST - Details
View on AmazonSpec score9.5
Pros
+400 Gbps speed
+Reaches up to 80 km over single-mode fiber
+1550 nm wavelength for long-haul links
+QSFP-DD form factor
Cons−Requires single-mode fiber
Compared with the 2 Network Transceivers on this page+80000 reach or length: the highest reach or length of the 7 here
+400 speed: the highest speed of the 8 here
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