Spec score 9.1
QSFP28, 100 Speed, Single-mode fiber, 10 In the box
+Supports 100G speed for high-bandwidth links
+Reaches up to 40 km over single-mode fiber
+Duplex LC connector for standard fiber patching
−Requires single-mode fiber, not compatible with multimode
$6,981.20
as of 11/04/2026 06:07 PST - DetailsProduct details
I: 100G QSFP28 ER4 40km Optical Transceiver Module Duplex LC RoHS-6 Compliant SMF LAN WDM APD Compliant to Ethernet$6,981.20as of 11/04/2026 06:07 PST - Details
View on AmazonSpec score9.1
Pros
+Supports 100G speed for high-bandwidth links
+Reaches up to 40 km over single-mode fiber
+Duplex LC connector for standard fiber patching
+QSFP28 form factor for compact high-density ports
+Pack of 10 modules for multiple installations
Cons−Requires single-mode fiber, not compatible with multimode
Compared with the 7 Network Transceivers on this page+100 speed: the highest speed of the 25 here
+40000 reach or length: only 3 of 25 here have a higher reach or length
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