- Name:
-
QSFP-40G-SR4-S
- Description:
- 40GBASE-SR4 QSFP Trnscvr Module, MPO Conn, Enterprise-Class
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Added to cart 36 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- Condition:
- GTIN:
- 652513837248
- Warranty:
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3 - List Price:
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$2,022.36
- Price:
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$323.58
84% off
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QSFP-40G-SR4-S
40GBASE-SR4 QSFP Trnscvr Module, MPO Conn, Enterpr...
$323.58
34 in Global Warehouse
$323.58
84% off
TRUSTED, TRIED, PROVEN
QSFP-40G-SR4-S Overview
QSFP-40G-SR4-S is a QSFP transceiver module designed for 40G data rate applications. It features an MPO connector and is engineered for short-range transmission over multi-mode fiber, supporting Ethernet protocols in high-speed environments.
QSFP-40G-SR4-S boasts a compact QSFP form factor with industry-standard physical dimensions, making it ideal for dense data center, enterprise network, and telecom deployments. Its optimized performance for 40G optical communications meets the rigorous demands of modern data aggregation and high-performance computing networks.
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QSFP-40G-SR4-S Specifications
| Product Type | Transceiver |
| Form Factor | QSFP |
| Data Rate | 40G |
| Connector Type | MPO |
| Wavelength | 850 nm |
| Transmission Distance | Short-Range |
| Fiber Type | Multi-mode |
| Max Distance | 100 meters |
| Supported Protocols | Ethernet |
| Network Interface | Ethernet |
| Power Consumption | 4 W |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-40G-SR4-S |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei | Cisco / Juniper / Huawei / Arista |
| Connector Type | MPO | LC | LC | LC | LC |
| Data Rate | 40G | 10G | 1G | 10G | 10G |
| Depth | N/A | 3.7 inches | N/A | 1.8 inches | N/A |
| Fiber Type | Multi-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Form Factor | QSFP | SFP+ | SFP | SFP | SFP+ |
| Height | N/A | 0.7 inches | N/A | 0.44 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Max Distance | 100 meters | 80 km | 40 km | 10 km | 120 km |
| Network Interface | Ethernet | Fiber | Fiber | Fiber | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 4 W | 3.5 W | N/A | 2.5W | N/A |
| Product Name | QSFP-40G-SR4-S | OSN010N10 10G SFP+ Transceiver Module | MA-SFP-1GB-BX40-U-C | 407-BBZM-C 10G SFP Transceiver | SFPP-10GE-ZR-1570-C |
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Transmission Distance | Short-Range | Long-Range | Long-Range | Short-Range | Long-Range |
| Wavelength | 850 nm | 1310 nm | 1310 nm (Rx) / 1490 nm (Tx) | 1310 nm | 1570 nm |
| Weight | N/A | 0.2 lbs | N/A | 0.05 lbs | N/A |
| Width | N/A | 1.3 inches | N/A | 0.55 inches | N/A |
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Questions & Answers
Q
What is the QSFP-40G-SR4-S 40GBASE-SR4 QSFP transceiver module?
A
The QSFP-40G-SR4-S is an enterprise-class, hot-pluggable QSFP+ transceiver supporting 40GBase-SR4 over multimode fiber with an MPO connector.
Q
Which IEEE standard does QSFP-40G-SR4-S comply with?
A
It complies with IEEE 802.3ba for 40GBase-SR4, ensuring full interoperability with compliant network equipment.
Q
What fiber types and link distances are supported?
A
It supports OM3 multimode fiber up to 100 m and OM4 multimode fiber up to 150 m using a 12-fiber MPO/MTP cable.
Q
What connector type does the QSFP-40G-SR4-S use?
A
The module uses a 12-fiber MPO/MTP connector for parallel optics, enabling four 10 Gbps lanes.
Q
Is the QSFP-40G-SR4-S hot-swappable?
A
Yes, it is hot-pluggable per the QSFP+ MSA specification, allowing live module installation or removal.
Q
Does this module support digital diagnostics monitoring (DDM)?
A
Yes, it features SFF-8472 digital diagnostics for real-time monitoring of temperature, voltage, bias current, and optical power.
Q
What is the power consumption of the QSFP-40G-SR4-S?
A
Typical power consumption is less than 1.5 W, keeping system power budgets low.
Q
What operating temperature range does it support?
A
It operates reliably from 0 °C to 70 °C (32 °F to 158 °F) ambient temperature.
Q
Which network platforms are compatible with this transceiver?
A
It interoperates with any IEEE-compliant 40G QSFP+ port, including major brands like Cisco, Juniper, Arista, and others.
Q
Can I use the QSFP-40G-SR4-S for data center spine-leaf architecture?
A
Yes, it is ideal for high-density, short-reach links in spine-leaf fabrics and server connections in modern data centers.
Q
Is QSFP-40G-SR4-S compatible with OM1 or OM2 fibers?
A
No, it is optimized solely for OM3 and OM4 multimode fibers; performance on OM1/OM2 is not guaranteed.
Q
What is the module’s reliability rating (MTBF)?
A
The QSFP-40G-SR4-S delivers a mean time between failures (MTBF) exceeding 1,000,000 hours for mission-critical uptime.
Q
How do I clean MPO/MTP connectors properly?
A
Use a dedicated MPO/MTP cleaning cassette or lint-free wipes and alcohol following the fiber cleaning kit instructions.
Q
What warranty and support are provided?
A
The module includes a limited lifetime warranty plus free technical support and RMA services.
Q
What cabling do I need to install this 40GBase-SR4 module?
A
Install with a 12-fiber OM3 or OM4 MTP-to-MTP patch cable rated for 40GBase-SR4 applications.
Q
How is the QSFP-40G-SR4-S identified in system diagnostics?
A
It is identified via I²C SFF-8472 memory mapping, reporting vendor name, part number, serial number, and real-time diagnostics.


