Fiber MallSpec score 8.5
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 score8.5
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
−10000 reach or length: 17 of the 29 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
QbdjhwbtSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
QbdjhwbtSpec score 9.1
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 score9.1
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
GenericSpec score 9.1
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 score9.1
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
Extreme NetworksSpec score 8.5
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 score8.5
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
−10000 reach or length: 17 of the 29 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
Juniper Networks
QSFP+, Single-mode fiber
+Provides four 10G expansion ports
+Uses single-mode fiber for long-distance links
+QSFP+ form factor
$8,573.28
as of 11/04/2026 03:10 PST - DetailsProduct details
About this product
XvfspwpSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
XvfspwpSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 9.5
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 score9.5
Pros+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
Compared with the 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 9.5
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 score9.5
Pros+40 Gbps speed in QSFP+ form factor
+Pack of 6 modules
+Duplex LC connector
Compared with the 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
DwfskzkvSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
PrpyvpeySpec score 9.5
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 score9.5
Pros+Duplex LC connector
+Pack of 10 modules
+40 Gbps speed
Compared with the 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
WvcltvjaSpec score 9.5
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 score9.5
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 22 Network Transceivers on this page+60000 reach or length: the highest reach or length of the 29 here
+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
PrpyvpeySpec score 9.1
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 score9.1
Pros+40 Gbps speed in QSFP+ form factor
+Uses LC duplex connectors
+Twelve pairs included
+1310 nm wavelength
Compared with the 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
DirecxourceSpec score 9.1
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 score9.1
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
CizvveocSpec score 9.1
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
About this product
DwfskzkvSpec score 9.1
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 score9.1
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
WvcltvjaSpec score 9.1
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 score9.1
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
How pros and cons are picked (About: Disclaimer) About this product
xchSRYdgSpec score 8.5
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 score8.5
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
−10000 reach or length: 17 of the 29 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
xchSRYdgSpec score 8.3
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 score8.3
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 22 Network Transceivers on this page+40 speed: the highest speed of the 27 here
−2000 reach or length: 20 of the 29 here have a higher reach or length
How pros and cons are picked (About: Disclaimer) About this product
