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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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 10 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
