Menu
Account
Accessories & Batteries
View all
Accessories & Batteries
Batteries
View all
Batteries
Cache Battery
CMOS Battery
Laptop Battery
Miscellaneous Batteries
UPS Battery
Cooling Fans & Heat Sink
View all
Cooling Fans & Heat Sink
Cooling Fans
Fans & Heatsinks Combo
Heatsink
Audio and Video
View all
Audio and Video
Videos & Graphics
View all
Videos & Graphics
Audio Cards & Adapters
Network Interface Cards
Riser Cards
Video Cards
Cables & Adapters
View all
Cables & Adapters
Cables
View all
Cables
Cable Management Arm
Fiber Optic Cables
IDE Cables
KVM Cables
Miscellaneous Cables
Network Ethernet Cables
Power Cables
Power Strips
SAS Cables
SATA Cables
SCSI Cables
USB Cables
Power Adapters
View all
Power Adapters
Connectors
Power Adapter
Computers
View all
Computers
All Accessroies
View all
All Accessroies
Laptop Docking Stations
Rackmount Kits
Voltage Regulator Modules
Desktops
View all
Desktops
Desktop Accessories
Desktop Systems
LCD Monitor
LED Monitor
Rackmount LCD
Touch Screen LCD & LED
Laptops
View all
Laptops
Laptop Accessories
Laptop Keyboards
Laptop Systems
LCD & LED Screen
LCD & LED Touch Screen
Servers
View all
Servers
Server Accessories
Server Chassis
Server Racks & Cabinets
Server Systems
Workstation
View all
Workstation
Workstation Accessories
Workstation Systems
CPUs & Processors
View all
CPUs & Processors
AMD Processors
View all
AMD Processors
AMD Retail Boxed Processors
AMD Unboxed Processors
Intel Processors
View all
Intel Processors
Intel Retail Boxed Processors
Intel Unboxed Processors
Processor Boards
Memory
View all
Memory
Memory Classification
View all
Memory Classification
Cache Memory
Desktop Memory
Flash Memory
Laptop Memory
Miscellaneous
Other Memory
Printer Memory
RAID Controller Memory
Server Memory
Motherboards
View all
Motherboards
Motherboards Classification
View all
Motherboards Classification
AMD Motherboards
Desktop Motherboards
Intel Motherboards
Laptop Motherboards
Server Motherboards
Workstation Motherboards
Networking Devices
View all
Networking Devices
Modem
Network & Accessories
View all
Network & Accessories
Antenna
Gateways
Hubs
Network Accessories
Network Adapters
Network Bridges
Network Print Servers
Router Chassis & Modules
Routers
Transceiver
Wireless Access Points
Wireless Accessories
Wireless LAN Card
Wireless LAN Controllers
Wireless Router
Network & Security Appliances
View all
Network & Security Appliances
Firewalls
Security Appliances
Network Modules
View all
Network Modules
LAN & WAN Modules
Phones
View all
Phones
IP Phones
Switches
View all
Switches
KVM Switches
Network Switches
Switch Modules
Power Supplies & Power Protection
View all
Power Supplies & Power Protection
Power Classification
View all
Power Classification
Battery Chargers
Power Distribution Unit (PDU)
Power Inverters
Power Miscellaneous
Power Supplies
UPS
Printers & Scanners
View all
Printers & Scanners
Printer & Cartridges
View all
Printer & Cartridges
Ink Cartridges
Ribbon Cartridges
Toner Cartridges
Printer Accessories
View all
Printer Accessories
Automatic Document Feeder
Duplexer
Formatter Board
Fuser
Maintenance Kits
Paper Tray
Printer Scanner & Fax Accessories
Printhead
Rollers
Sensors
Transfer Belt
Printers
View all
Printers
All-in-One Printers
BarCode Printers
Dot Matrix Printers
InkJet Printers
Label Printers
Laser Printers
Multifunction Printers
Receipt Printer
Scanners
View all
Scanners
Barcode Scanners
Storage Devices
View all
Storage Devices
External Storage
View all
External Storage
External Hard Drive
Internal Hard Drives
View all
Internal Hard Drives
Desktop Hard Drive
Laptop Hard Drive
Printer Hard Drive
Server Hard Drive
Network Storage Devices
RAID Controllers
View all
RAID Controllers
Fiber Channel Controller
Miscellaneous Controllers
SAS & SATA Controller
SCSI Controller
SSDs
View all
SSDs
I & O Accelerator Cards
Solid State Drives
SSD & HDD Accessories
Tape Drive
View all
Tape Drive
Tape Libraries & Autoloaders
Tape Media
Best Sellers
My Account
Welcome
Sign In / Register
Sign In
Create an Account
Special Price
$3,201.00
Regular Price
$3,682.00
Qty
Add to Cart
{{#message}}
{{{message}}}
{{#success}}
View cart
{{/success}}
{{/message}}
Details
QSFP-40G-ER4 - Cisco Single-mode 40Gb/s 40GBase-ER4 Fiber 40km 1310nm Duplex LC Connector QSFP+ Transceiver Module
Reviews
Write a review
You're reviewing:
QSFP-40G-ER4 - Cisco Single-mode 40Gb/s 40GBase-ER4 Fiber 40km 1310nm Duplex LC Connector QSFP+ Transceiver Module
{{#message}}
{{message}}
{{/message}}
Nickname
Summary
Review
Submit Review
{{#nickname}}
{{nickname}}
{{created_at}}
{{title}}
{{#rating_votes}}
{{rating_code}}
{{percent}}%
{{/rating_votes}}
{{detail}}
{{/nickname}}
Hide
See more
Hide
Your cart
View Cart
{{^items}}
You have no items in your shopping cart.
{{/items}} {{#items}}
Remove
Edit
{{#product_has_url}}
{{{product_name}}}
{{/product_has_url}} {{^product_has_url}}
{{{product_name}}}
{{/product_has_url}}
{{{product_price}}}
See Details
{{#options}}
{{label}}:
{{{value}}}
{{/options}}
Update
{{/items}}