CISCO
CISCO QSFP-40G-ER4-RF QSFP 40GBASE-ER4 TRANSCEIVER MODULE, LC,
Mfg Part Number: QSFP-40G-ER4-RF , Item #: 3495510
Image may not reflect the actual item.
Price: $19,273.38
+ Free Shipping
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Jun 20, 2026
No Sales Tax except these states
, PO and Wire.
The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing networks, enterprise core and distribution layers, and service provider applications.
Main Specification
| General Information | |
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | QSFP-40G-ER4-RF |
| Manufacturer Website Address | http://www.cisco.com |
| Brand Name | Cisco |
| Product Name | 40GBASE-ER4 Module for SMF with OTU-3 Data-Rate Support |
| Product Condition | Refurbished |
| Product Type | QSFP |
| Technical Information | |
| Application/Usage | Optical Network |
| Application/Usage | Data Networking |
| Interfaces/Ports | |
| Total Number of Ports | 1 |
| Connector Type | LC |
| Interfaces/Ports Details | 1 x LC 40GBase-ER4 Network |
| Media & Performance | |
| Media Type Supported | Optical Fiber |
| Fiber Mode Supported | Single-mode |
| Ethernet Technology | 40 Gigabit Ethernet |
| Network Technology | 40GBase-ER4 |
| Physical Characteristics | |
| Form Factor | Hot-swappable |
| Height | 0.5" |
| Width | 0.7" |
| Depth | 2.9" |
| Weight (Approximate) | 0.22 lb |
| Miscellaneous | |
| Compatibility | MSA Compliant |
| Warranty | |
| Limited Warranty | 1 Year |
Connector Cables
CISCO
(QSFP-4SFP10G-CU3M)
Cisco Direct-Attach Breakout Cable - Network cable - QSFP+ (M) to SFP+ (M) - 10 ft - gray - for Nexus 3064-E, 3064PQ
Cisco Direct-Attach Breakout Cable - Network cable - QSFP+ (M) to SFP+ (M) - 10 ft - gray - for Nexus 3064-E, 3064PQ
$428.22
$999.52
$943.53
$1,093.75
CISCO
(QSFP-H40G-AOC15M)
Cisco Direct-Attach Active Optical Cable - Network cable - QSFP - QSFP - 49 ft - SFF-8436 - active cable (signal regeneration) - black - for P/N: QSFP-40G-SR4, QSFP-40G-SR4=
Cisco Direct-Attach Active Optical Cable - Network cable - QSFP - QSFP - 49 ft - SFF-8436 - active cable (signal regeneration) - black - for P/N: QSFP-40G-SR4, QSFP-40G-SR4=
$1,084.26
CISCO
(QSFP-H40G-AOC15M=)
Cisco Direct-Attach Active Optical Cable - Network cable - QSFP - QSFP - 49 ft - SFF-8436 - active cable (signal regeneration) - black
Cisco Direct-Attach Active Optical Cable - Network cable - QSFP - QSFP - 49 ft - SFF-8436 - active cable (signal regeneration) - black
$1,003.79
$1,144.93
WARNING:: The plastic used in cable products can expose you to lead and lead components,
chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
