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QDD-2X100-SR4-S
QSFP-DD Transceiver, 2X 100GBASE-SR4, 2X Duplex CS, 100m MMF
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QDD-2X100-SR4-S is a QSFP28 transceiver offering dual 100G channels for short-range Ethernet communications over multi-mode fiber. It employs LC connectors and operates at an 850 nm wavelength, ensuring high-speed connectivity in data center, enterprise, and telecom environments.
This module adheres to standard QSFP form factor dimensions and is engineered for 100-meter transmission over OM4 fiber. It supports Ethernet protocols and is designed for seamless integration with equipment from leading vendors such as Cisco, Juniper, Huawei, and Arista.
QDD-2X100-SR4-S price is $1,585.00, a 47.3% saving from the Cisco list price of $3,007.00. QDD-2X100-SR4-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QDD-2X100-SR4-S for additional pricing. Browse the full Cisco 400G Optical Modules series or explore all Cisco products.
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| QDD-2X100-SR4-S |  QDD-400G-FR4-S |  QDD-2X100-CWDM4-S |  QDD-400G-LR8-S |  QDD-400-CU2M | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP28 | QSFP-DD | QSFP28 | QSFP-DD | QSFP-DD |
| Data Rate | 2x100G | 400G | 100G | 400G | 400G |
| Connector Type | LC | LC | LC | LC | Twinaxial |
| Transmission Distance | Short-Range | Long-Range | Short-Range | Long-Range | Short-Range |
| Max Distance | 100 meters (OM4) | 2 km | 2000 meters | 10 km | 2 meters |
| Supported Protocols | Ethernet | Ethernet | Ethernet / Fibre Channel | Ethernet | Ethernet |
| Network Interface | Fiber | Fiber | Fiber | Ethernet | Ethernet |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QDD-2X100-SR4-S | QDD-400G-FR4-S | QDD-2X100-CWDM4-S | QDD-400G-LR8-S | QDD-400-CU2M |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Used for short reach 100G connections in our data hall. Delivered clean 100m MMF performance with zero compatibility issues.
Reliable dual 100G SR4 breakout. Stable throughput and simple deployment in high-density switching environments.
Consistent optical performance with minimal signal degradation. Ideal for intra-rack and row connectivity.
Low latency and solid error-free operation. Perfect for short reach data center interconnects.
Installed seamlessly into our QSFP-DD ports. Maintained steady bandwidth during peak traffic loads.
Great for high-speed MMF infrastructure. Performance has been reliable across multiple racks.
Efficient 2x100G solution for dense deployments. Delivered exactly as specified with dependable stability.
The QDD-2X100-SR4-S is a QSFP-DD form-factor module providing two independent 100GBASE-SR4 channels over multimode fiber up to 100 m.
It supports OM3 and OM4 multimode fiber for high-density 100G data center deployments.
This transceiver delivers up to 100 meters of link distance on OM4 and up to 70 meters on OM3 multimode fiber.
It features two duplex CS connectors that mate with CS-to-MPO adapters for SR4 optical lanes.
Each QSFP-DD port supports two independent 100 Gbps channels, totaling 200 Gbps per module.
It uses four parallel 850 nm VCSEL lanes per 100G channel, compliant with IEEE 802.3bm SR4.
Yes, the QSFP-DD module supports hot-plug insertion and removal without powering down the host system.
This transceiver operates reliably between 0 °C and 70 °C (32 °F to 158 °F) ambient.
Typical power consumption is 8.5 W per module, ensuring energy-efficient 200 Gbps performance.
It is fully compliant with IEEE 802.3bm and Cisco, Juniper and Arista QSFP-DD ports designed for 200GBASE-SR4.
No end-user calibration is required; it ships factory-tested to meet IEEE optical and electrical specifications.
Align the module with the port, gently insert until the latch clicks, then connect the CS-to-MPO patch cable.
Ideal for data center spine-leaf architectures, high-performance computing clusters and switch-to-switch fabrics.
Use your host’s diagnostics commands (e.g., SFP-DD EEPROM read) to monitor real-time optical power and temperature.
Yes, it meets RoHS and REACH environmental standards for lead-free, halogen-free operation.
It includes a one-year limited warranty covering defects in materials and workmanship under normal use.
United States
