6COMSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, LC
+100 Gbps speed in a QSFP28 form factor
+Single-mode LC connector with 10 km reach
+Compatible with Cisco QSFP-100G-LR4-S
−Single-mode fiber only
$194.10
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.4
Pros+100 Gbps speed in a QSFP28 form factor
+Single-mode LC connector with 10 km reach
+Compatible with Cisco QSFP-100G-LR4-S
+DDM monitoring listed
Cons−Single-mode fiber only
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
6COMSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, 1310 nm
+100 Gb/s speed for high-bandwidth fiber links
+10 km single-mode reach for long-distance links
+1310 nm wavelength for single-mode fiber
−Requires single-mode fiber, not multimode
−Only 10 km maximum reach
$189.99
as of 11/04/2026 06:08 PST - DetailsProduct details
Spec score8.4
Pros+100 Gb/s speed for high-bandwidth fiber links
+10 km single-mode reach for long-distance links
+1310 nm wavelength for single-mode fiber
+LC connector for standard duplex fiber cabling
+QSFP28 form factor for 100G switch ports
Cons−Requires single-mode fiber, not multimode
−Only 10 km maximum reach
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber
+100G speed for high-bandwidth network links
+Single-mode fiber for links up to 10 km
+QSFP28 form factor for dense 100G port use
−Single-mode fiber needed; not for short multimode runs
$425.00
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.4
Pros+100G speed for high-bandwidth network links
+Single-mode fiber for links up to 10 km
+QSFP28 form factor for dense 100G port use
+Single-lambda LR1 design for 100GBASE-LR1 standard
Cons−Single-mode fiber needed; not for short multimode runs
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber
+100 Gbps speed for high-bandwidth network links
+Single-mode fiber for runs up to 10 km
+QSFP28 form factor for 100G ports
−Requires single-mode fiber cabling
$199.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.4
Pros+100 Gbps speed for high-bandwidth network links
+Single-mode fiber for runs up to 10 km
+QSFP28 form factor for 100G ports
Cons−Requires single-mode fiber cabling
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, LC
+100 Gbps speed for high-bandwidth network links
+Single-mode fiber for runs up to 10 km
+LC connector for standard duplex fiber patching
−Requires single-mode fiber cabling
$199.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.4
Pros+100 Gbps speed for high-bandwidth network links
+Single-mode fiber for runs up to 10 km
+LC connector for standard duplex fiber patching
Cons−Requires single-mode fiber cabling
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, 1310 nm
+100G speed for high-bandwidth links
+10 km reach for longer runs
+Single-mode fiber with LC duplex connector
−Requires single-mode fiber cabling
$199.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.4
Pros+100G speed for high-bandwidth links
+10 km reach for longer runs
+Single-mode fiber with LC duplex connector
+1310 nm wavelength for single-mode links
Cons−Requires single-mode fiber cabling
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, 1310 nm
+100G speed for high-bandwidth links
+10 km reach for longer runs
+Single-mode fiber with LC duplex connector
−Requires single-mode fiber cabling
$199.00
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.4
Pros+100G speed for high-bandwidth links
+10 km reach for longer runs
+Single-mode fiber with LC duplex connector
+1310 nm wavelength for single-mode links
Cons−Requires single-mode fiber cabling
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, 1310 nm
+100 Gb/s speed for high-bandwidth links
+10 km reach over single-mode fiber
+1310 nm LR4 wavelength for long-distance links
−Requires single-mode fiber rather than multimode
$199.00
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.4
Pros+100 Gb/s speed for high-bandwidth links
+10 km reach over single-mode fiber
+1310 nm LR4 wavelength for long-distance links
+LC connector for common duplex fiber patching
+QSFP28 form factor fits 100G switch ports
Cons−Requires single-mode fiber rather than multimode
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
QsfptekSpec score 8.4
QSFP28, 100 Speed, Single-mode fiber, LC
+100 Gbps speed for high-throughput links
+LC connector for standard duplex fiber patching
+Includes digital diagnostics monitoring
−10 km reach limits it to shorter links
$269.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.4
Pros+100 Gbps speed for high-throughput links
+LC connector for standard duplex fiber patching
+Includes digital diagnostics monitoring
Cons−10 km reach limits it to shorter links
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
How pros and cons are picked (About: Disclaimer) About this product
Spec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+Delivers 100 Gbps over multimode fiber
+QSFP28 form factor for high-density 100G ports
+Uses MTP/MPO connectors
−Reaches only 100 m over multimode fiber
$59.90
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+Delivers 100 Gbps over multimode fiber
+QSFP28 form factor for high-density 100G ports
+Uses MTP/MPO connectors
+Lists Juniper compatibility
Cons−Reaches only 100 m over multimode fiber
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
10GtekSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+100G speed on a QSFP28 multimode module
+850 nm wavelength for multimode fiber
+Uses MPO multi-fiber connector
−Multimode reach of 100m is short for long runs
$39.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G speed on a QSFP28 multimode module
+850 nm wavelength for multimode fiber
+Uses MPO multi-fiber connector
Cons−Multimode reach of 100m is short for long runs
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
10GtekSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+100G speed over multimode fiber
+850 nm wavelength for multimode links
+MPO optical fiber connection
−Reach limited to 100 m
$39.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G speed over multimode fiber
+850 nm wavelength for multimode links
+MPO optical fiber connection
Cons−Reach limited to 100 m
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
PklzNetSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 2 In the box
+Two modules in one pack
+100 Gbps speed for QSFP28 ports
+Multimode fiber medium with MPO connector
−Short 100 m reach over multimode fiber
$72.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+Two modules in one pack
+100 Gbps speed for QSFP28 ports
+Multimode fiber medium with MPO connector
Cons−Short 100 m reach over multimode fiber
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
H!Fiber.comSpec score 8.3
QSFP28, 100 Speed, AOC cable
+Supports 100 Gbps speed for high-bandwidth links
+Active optical cable with QSFP28 connectors
+Reach of 5 meters for short runs
−Short 5 meter reach limits placement between devices
$61.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+Supports 100 Gbps speed for high-bandwidth links
+Active optical cable with QSFP28 connectors
+Reach of 5 meters for short runs
+Named compatibility with Cisco equipment
Cons−Short 5 meter reach limits placement between devices
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−5 reach or length: 112 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, AOC cable
+100G QSFP28 speed for high-bandwidth links
+10m reach for longer rack-to-rack runs
+Active optical cable with fixed, pre-attached ends
−Fixed 10m length offers no flexibility for shorter runs
$295.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G QSFP28 speed for high-bandwidth links
+10m reach for longer rack-to-rack runs
+Active optical cable with fixed, pre-attached ends
Cons−Fixed 10m length offers no flexibility for shorter runs
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−10 reach or length: 110 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, AOC cable
+100G QSFP28 speed for high-bandwidth links
+3m reach suits short within-rack connections
+Active optical cable with fixed, pre-attached ends
−Fixed 3m length limits use to nearby equipment
$274.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G QSFP28 speed for high-bandwidth links
+3m reach suits short within-rack connections
+Active optical cable with fixed, pre-attached ends
Cons−Fixed 3m length limits use to nearby equipment
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−3 reach or length: 115 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, AOC cable
+100G QSFP28 speed for high-bandwidth links
+5m reach covers adjacent-rack connections
+Active optical cable with fixed, pre-attached ends
−Fixed 5m length offers no flexibility for shorter runs
$280.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G QSFP28 speed for high-bandwidth links
+5m reach covers adjacent-rack connections
+Active optical cable with fixed, pre-attached ends
Cons−Fixed 5m length offers no flexibility for shorter runs
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−5 reach or length: 112 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100G QSFP28 speed for high-bandwidth links
+Passive direct-attach design with no active electronics
+Short 1m reach suits connections within a rack
−1m reach limits use to very close equipment
$84.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G QSFP28 speed for high-bandwidth links
+Passive direct-attach design with no active electronics
+Short 1m reach suits connections within a rack
Cons−1m reach limits use to very close equipment
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−1 reach or length: 121 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, AOC cable
+100G QSFP28 speed for high-bandwidth links
+10m reach for longer rack-to-rack runs
+Active optical cable with fixed, pre-attached ends
−Fixed 10m length offers no flexibility for shorter runs
$295.00
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G QSFP28 speed for high-bandwidth links
+10m reach for longer rack-to-rack runs
+Active optical cable with fixed, pre-attached ends
Cons−Fixed 10m length offers no flexibility for shorter runs
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−10 reach or length: 110 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, AOC cable
+100 Gbps speed for high-bandwidth links
+1-meter active optical cable for short connections
+QSFP28 form factor for compatible switch ports
−Fixed 1-meter length limits cable routing options
$249.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed for high-bandwidth links
+1-meter active optical cable for short connections
+QSFP28 form factor for compatible switch ports
+Cisco-compatible design for Cisco equipment
Cons−Fixed 1-meter length limits cable routing options
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−1 reach or length: 121 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100 Gbps speed for high-bandwidth links
+1-meter passive direct attach cable for short connections
+QSFP28 form factor for compatible switch ports
−Fixed 1-meter length limits cable routing options
$84.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed for high-bandwidth links
+1-meter passive direct attach cable for short connections
+QSFP28 form factor for compatible switch ports
+Cisco-compatible design for Cisco equipment
Cons−Fixed 1-meter length limits cable routing options
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−1 reach or length: 121 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100G speed in a QSFP28 form factor
+Direct-attach copper cable needs no separate optics
+2 m length suits connections within one rack
−Only 2 m reach limits placement between devices
−Passive copper cable is restricted to short distances
$93.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100G speed in a QSFP28 form factor
+Direct-attach copper cable needs no separate optics
+2 m length suits connections within one rack
Cons−Only 2 m reach limits placement between devices
−Passive copper cable is restricted to short distances
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−2 reach or length: 118 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+100G speed in a QSFP28 form factor
+850 nm wavelength for multimode fiber links
+100 m reach on multimode fiber
−Limited to 100 m, shorter than single-mode options
$79.99
as of 11/04/2026 03:09 PST - DetailsProduct details
Spec score8.3
Pros+100G speed in a QSFP28 form factor
+850 nm wavelength for multimode fiber links
+100 m reach on multimode fiber
Cons−Limited to 100 m, shorter than single-mode options
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100 Gbps speed in a QSFP28 form factor
+Short 0.5 m reach for connecting nearby equipment
+Copper twinax cable needs no optical modules
−Limited to 0.5 m reach
$82.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed in a QSFP28 form factor
+Short 0.5 m reach for connecting nearby equipment
+Copper twinax cable needs no optical modules
Cons−Limited to 0.5 m reach
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−0.5 reach or length: 127 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+100 Gbps speed in a QSFP28 form factor
+Multimode fiber suits short in-rack and in-room runs
+850 nm wavelength for multimode operation
−Limited to 100 m reach
$79.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed in a QSFP28 form factor
+Multimode fiber suits short in-rack and in-room runs
+850 nm wavelength for multimode operation
Cons−Limited to 100 m reach
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, Multimode fiber, 850 nm
+100 Gbps speed in a QSFP28 form factor
+Multimode fiber suits short in-rack and in-room runs
+850 nm wavelength for multimode operation
−Limited to 100 m reach
$79.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed in a QSFP28 form factor
+Multimode fiber suits short in-rack and in-room runs
+850 nm wavelength for multimode operation
Cons−Limited to 100 m reach
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−100 reach or length: 87 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100 Gbps speed in a QSFP28 form factor
+Copper twinax cable needs no optical modules
+1 m length for connecting adjacent equipment
−Limited to 1 m reach
$84.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100 Gbps speed in a QSFP28 form factor
+Copper twinax cable needs no optical modules
+1 m length for connecting adjacent equipment
Cons−Limited to 1 m reach
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−1 reach or length: 121 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 8.3
QSFP28, 100 Speed, DAC cable
+100G speed in a QSFP28 form factor
+Passive DAC needs no separate optics
+Very short 0.5 m reach for adjacent switches
−Only 0.5 m reach limits placement
−Copper DAC cannot run over long distances
$82.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score8.3
Pros+100G speed in a QSFP28 form factor
+Passive DAC needs no separate optics
+Very short 0.5 m reach for adjacent switches
Cons−Only 0.5 m reach limits placement
−Copper DAC cannot run over long distances
Compared with the 166 Network Transceivers on this page+100 speed: the highest speed of the 166 here
−0.5 reach or length: 127 of the 132 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product