Fiber MallSpec score 7.2
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+40 Gbps speed for high-bandwidth fiber links
+Single-mode fiber with 10 km reach
+LC connector for standard duplex fiber cabling
−Limited to 10 km, shorter than the 40 km module
$189.99
as of 11/04/2026 10:10 PST - DetailsProduct details
Spec score7.2
Pros+40 Gbps speed for high-bandwidth fiber links
+Single-mode fiber with 10 km reach
+LC connector for standard duplex fiber cabling
+QSFP+ form factor for 40G ports
Cons−Limited to 10 km, shorter than the 40 km module
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
+10000 reach or length: 277 of the 538 here have a lower reach or length
How pros and cons are picked (About: Disclaimer) About this product
QbdjhwbtSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+40 Gbps speed for high-throughput links
+60 km reach over single-mode fiber
+Six-pack for multiple links
−Single-mode fiber only, not for multimode links
$6,932.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.7
Pros+40 Gbps speed for high-throughput links
+60 km reach over single-mode fiber
+Six-pack for multiple links
+LC duplex connector for standard patch cords
+QSFP+ form factor for QSFP+ ports
Cons−Single-mode fiber only, not for multimode links
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
QbdjhwbtSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 10 In the box
+40 Gbps speed for high-throughput links
+Duplex LC connector for standard fiber patching
+Pack of 10 modules included
−QSFP+ form factor supports only 40 Gbps
$5,736.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.5
Pros+40 Gbps speed for high-throughput links
+Duplex LC connector for standard fiber patching
+Pack of 10 modules included
Cons−QSFP+ form factor supports only 40 Gbps
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
BfqtxlavkSpec score 7.1
QSFP+, 40 Speed, Multimode fiber
+40 Gbps speed for high-bandwidth data links
+QSFP+ form factor for dense port layouts
+Multimode fiber with 100 m reach
−Reach limited to 100 m on multimode fiber
$189.98
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.1
Pros+40 Gbps speed for high-bandwidth data links
+QSFP+ form factor for dense port layouts
+Multimode fiber with 100 m reach
+Suited for short runs inside a data center
Cons−Reach limited to 100 m on multimode fiber
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
−100 reach or length: 354 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
HPC OpticsSpec score 7.1
QSFP+, 40 Speed, DAC cable
+Breakout design splits one 40G port into four 10G links
+Direct-attach copper cable needs no separate optics
+1 m length suits connections within one rack
−Only 1 m reach limits placement between devices
−Passive copper cable is restricted to short distances
$98.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score7.1
Pros+Breakout design splits one 40G port into four 10G links
+Direct-attach copper cable needs no separate optics
+1 m length suits connections within one rack
Cons−Only 1 m reach limits placement between devices
−Passive copper cable is restricted to short distances
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
−1 reach or length: 488 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
MxrnmrorqSpec score 7.1
QSFP+, 40 Speed
+Supports 40G speed for high-bandwidth fiber links
+Rated for up to 2 km reach
+Uses an MPO interface for fiber connection
−Requires compatible QSFP+ port on the host device
$125.50
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.1
Pros+Supports 40G speed for high-bandwidth fiber links
+Rated for up to 2 km reach
+Uses an MPO interface for fiber connection
+QSFP+ form factor fits standard QSFP+ ports
Cons−Requires compatible QSFP+ port on the host device
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
−2000 reach or length: 275 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
Allied Telesis
QSFP+
+Includes 2 QSFP+ ports for high-speed uplinks
+Supports 10 Gb SFP+ and SFP connections
+Layer 3 switch with 18 ports in the model
−Requires separate transceivers for its SFP ports
$15,749.00
as of 11/04/2026 03:08 PST - DetailsProduct details
About this product
GenericSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber
+Single-mode fiber for long-distance links
+40 Gbps speed for high-throughput connections
+Long 40 km reach for distant connections
$6,125.58
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.5
Pros+Single-mode fiber for long-distance links
+40 Gbps speed for high-throughput connections
+Long 40 km reach for distant connections
+TAA compliant for government procurement needs
+QSFP+ form factor for 40G ports
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
IpolexSpec score 7.1
QSFP+, 40 Speed, DAC cable
+Breakout design splits one 40G port into four 10G links
+Passive copper cable needs no separate optics
+Compatible with Cisco and Ubiquiti devices
−Only 0.5 m reach limits placement to nearby equipment
$26.99
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score7.1
Pros+Breakout design splits one 40G port into four 10G links
+Passive copper cable needs no separate optics
+Compatible with Cisco and Ubiquiti devices
+0.5 m length suits adjacent equipment
Cons−Only 0.5 m reach limits placement to nearby equipment
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
−0.5 reach or length: 512 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
xchSRYdg
QSFP+
+Uses QSFP+ form factor for compatible port installation
+Rated for 100 meter reach over optical fiber
+Lists 4x16G lane configuration in the product name
−Shorter 100 meter reach than long-distance modules
$655.16
as of 11/04/2026 03:10 PST - DetailsProduct details
Pros+Uses QSFP+ form factor for compatible port installation
+Rated for 100 meter reach over optical fiber
+Lists 4x16G lane configuration in the product name
Cons−Shorter 100 meter reach than long-distance modules
Compared with the 35 Network Transceivers on this page−100 reach or length: 354 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
XvfspwpSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+40G speed for high-bandwidth links
+LC duplex connector interface
+Pack of 6 modules included
−Wavelength range is 1270 to 1330 nm, a broad band
No price recorded yet.
Product details
Spec score7.7
Pros+40G speed for high-bandwidth links
+LC duplex connector interface
+Pack of 6 modules included
Cons−Wavelength range is 1270 to 1330 nm, a broad band
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
XvfspwpSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+40G speed for high-bandwidth links
+LC duplex connector interface
+Pack of 6 modules included
−Wavelength range is 1270 to 1330 nm, a broad band
No price recorded yet.
Product details
Spec score7.7
Pros+40G speed for high-bandwidth links
+LC duplex connector interface
+Pack of 6 modules included
Cons−Wavelength range is 1270 to 1330 nm, a broad band
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
$6,812.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.7
Pros+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
$6,932.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.7
Pros+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+Six-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
$6,812.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.7
Pros+Six-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
+Duplex LC connector for fiber links
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 6 In the box
+Six-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
$6,932.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.7
Pros+Six-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
+Duplex LC connector for fiber links
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 10 In the box
+Ten-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
$10,392.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.7
Pros+Ten-pack for multiple links
+60 km single-mode reach for long distances
+40 Gbps speed for fast links
+Duplex LC connector for fiber links
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
PrpyvpeySpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 10 In the box
+Duplex LC connector
+Pack of 10 modules
+40 Gbps speed
$10,392.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.7
Pros+Duplex LC connector
+Pack of 10 modules
+40 Gbps speed
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
WvcltvjaSpec score 7.7
QSFP+, 40 Speed, Single-mode fiber, 10 In the box
+Long 60 km reach over single-mode fiber
+Duplex LC connector for standard fiber patching
+40 Gbps speed for high-bandwidth links
$10,392.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.7
Pros+Long 60 km reach over single-mode fiber
+Duplex LC connector for standard fiber patching
+40 Gbps speed for high-bandwidth links
+Pack of 10 units
Compared with the 35 Network Transceivers on this page+60000 reach or length: only 63 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
PrpyvpeySpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+40 Gbps speed in QSFP+ form factor
+Uses LC duplex connectors
+Twelve pairs included
$14,444.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.5
Pros+40 Gbps speed in QSFP+ form factor
+Uses LC duplex connectors
+Twelve pairs included
+1310 nm wavelength
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
DirecxourceSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+40 Gbps speed for high-bandwidth fiber links
+Single-mode fiber with 40 km reach
+LC connector for standard duplex fiber cabling
$6,995.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.5
Pros+40 Gbps speed for high-bandwidth fiber links
+Single-mode fiber with 40 km reach
+LC connector for standard duplex fiber cabling
+QSFP+ form factor for 40G ports
+1310 nm wavelength for long-distance single-mode links
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+40 Gbps speed in QSFP+ form factor
+Duplex LC connector
+Listed 1310 nm wavelength
$14,444.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.5
Pros+40 Gbps speed in QSFP+ form factor
+Duplex LC connector
+Listed 1310 nm wavelength
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 10 In the box
+Ten-pack for multiple links
+40 km single-mode reach for long distances
+40 Gbps speed for fast links
$5,736.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.5
Pros+Ten-pack for multiple links
+40 km single-mode reach for long distances
+40 Gbps speed for fast links
+Duplex LC connector for fiber links
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
WvcltvjaSpec score 7.5
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+Long 40 km reach over single-mode fiber
+Duplex LC connector for standard fiber patching
+40 Gbps speed for high-bandwidth links
$14,444.00
as of 11/04/2026 10:09 PST - DetailsProduct details
Spec score7.5
Pros+Long 40 km reach over single-mode fiber
+Duplex LC connector for standard fiber patching
+40 Gbps speed for high-bandwidth links
+Sold in a pack of 12 pairs
Compared with the 35 Network Transceivers on this page+40000 reach or length: only 79 of 538 here have a higher reach or length
+40 speed: 433 of the 643 here have a lower speed
How pros and cons are picked (About: Disclaimer) About this product
Extreme NetworksSpec score 7.2
QSFP+, 40 Speed, Single-mode fiber, LC
+40G speed for high-throughput network links
+Single-mode fiber medium for long-distance links
+LC connector for standard fiber patching
$7,160.93
as of 11/04/2026 06:07 PST - DetailsProduct details
Spec score7.2
Pros+40G speed for high-throughput network links
+Single-mode fiber medium for long-distance links
+LC connector for standard fiber patching
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
+10000 reach or length: 277 of the 538 here have a lower reach or length
How pros and cons are picked (About: Disclaimer) About this product
xchSRYdgSpec score 7.2
QSFP+, 40 Speed, Single-mode fiber, LC
+40 Gbps speed for high-bandwidth links
+QSFP+ form factor for high-density links
+Single-mode fiber supports long distances
$327.58
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score7.2
Pros+40 Gbps speed for high-bandwidth links
+QSFP+ form factor for high-density links
+Single-mode fiber supports long distances
+Dual LC connector
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
+10000 reach or length: 277 of the 538 here have a lower reach or length
How pros and cons are picked (About: Disclaimer) About this product
xchSRYdgSpec score 7.1
QSFP+, 40 Speed, Single-mode fiber, 1310 nm
+40 Gbps speed for high-bandwidth links
+QSFP+ form factor for 40G ports
+Single-mode fiber supports longer runs
$256.11
as of 11/04/2026 03:10 PST - DetailsProduct details
Spec score7.1
Pros+40 Gbps speed for high-bandwidth links
+QSFP+ form factor for 40G ports
+Single-mode fiber supports longer runs
+2 km reach for campus-scale links
Compared with the 35 Network Transceivers on this page+40 speed: 433 of the 643 here have a lower speed
−2000 reach or length: 275 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
Hewlett Packard Enterprise
QSFP+, 4 In the box
+Four-pack for multiple connections
+100 m reach for fiber links
+QSFP+ form factor
$6,591.00
as of 11/04/2026 06:07 PST - DetailsProduct details
Pros+Four-pack for multiple connections
+100 m reach for fiber links
+QSFP+ form factor
Compared with the 35 Network Transceivers on this page−100 reach or length: 354 of the 538 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
