Cisco 40GBASE-SR4 QSFP Module for MMF (S-Class)
Brand: Cisco (or compatible) · SKU: QSFP-40G-SR4-S= · MPN: QSFP-40G-SR4-S · Category: Networking
The QSFP-40G-SR4-S is a parallel 40Gbps Quad Small Form-factor Pluggable (QSFP+) optical module designed for high-density and low-power 40 Gigabit Ethernet connectivity in data centers, enterprise cores, and service provider applications. It supports 40GBASE-SR4 optical specifications over Multi-Mode Fiber (MMF) using an MPO/MTP connector. It does not support 4x10G breakout connectivity or FCoE. The S-Class version supports link lengths of 100 meters on OM3 fiber and 150 meters on OM4/OM5 fiber.
Specifications
| Data Rate | 40 Gbps (4 independent full-duplex channels up to 11.2Gbps per channel) |
|---|---|
| Media Type | Multi-Mode Fiber (MMF) |
| Wavelength | 850 nm |
| Form Factor | QSFP+ |
| FCoE Support | No |
| Connector Type | MTP/MPO-12 (Female) |
| Optical Budget | 1.9 dB (Minimum Guaranteed) |
| Supply Voltage | +3.3V single power supply |
| DDM/DOM Support | Supported |
| Breakout Support | No (Does not support 4x10G breakout) |
| Power Consumption | < 1.5W |
| Max Distance (OM3) | 100 meters |
| Standard Compliance | IEEE 802.3ba, QSFP+ MSA, SFF-8436 |
| Operating Temperature | Standard 0° to 70°C |
| Max Distance (OM4/OM5) | 150 meters |
| Warranty | Lifetime Warranty (for compatible versions); Standard 1 year (for genuine Cisco) |
| Weight | Approx. 100 grams or less |
| Dimensions | 13.5 x 18.4 x 72.4 mm |
Key Features
The QSFP-40G-SR4-S is a 40GBASE-SR4 transceiver compliant with the QSFP+ MSA, utilizing 850nm VCSEL lasers to transmit 40Gbps over OM3 (up to 100m) or OM4/OM5 (up to 150m) multimode fiber using an MPO connector. It is designed for high bandwidth in data center environments, emphasizing port density and low power consumption.
Frequently Asked Questions
Is this product genuine OEM?
Yes, this Cisco 40GBASE-SR4 QSFP Module for MMF (S-Class) (QSFP-40G-SR4-S=) is 100% genuine Cisco (or compatible) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
What warranty is included?
This Cisco 40GBASE-SR4 QSFP Module for MMF (S-Class) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
How long does shipping take?
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Can I return this product?
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Is the Cisco 40GBASE-SR4 QSFP Module for MMF (S-Class) compatible with my system?
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the QSFP-40G-SR4-S=.
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