QSFPDD-400G-SR4-MM850 - 400G SR4 MMF Transceiver
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H3C QSFPDD-400G-SR4-MM850 is a high-performance 400G QSFP-DD optical transceiver designed for short-reach multimode fiber links, delivering reliable connectivity for data centers and enterprise networks.
Key Features
400Gbps Data Rate
Delivers 400 Gigabit Ethernet connectivity via four parallel 100G lanes, meeting high-bandwidth demands.
850nm VCSEL Technology
Utilizes 850nm vertical-cavity surface-emitting lasers for efficient short-range transmission over multimode fiber.
MPO-12/APC Connector
Features an MPO-12/APC interface supporting 8-fiber breakout for flexible deployment.
50m Reach on OM4
Supports distances up to 50 meters over OM4 multimode fiber, ideal for in-rack and adjacent-rack connections.
Specifications
| Model | QSFPDD-400G-SR4-MM850 |
| Brand | H3C |
| Form Factor | QSFP-DD |
| Data Rate | 400 Gbps (4x100G) |
| Wavelength | 850 nm |
| Fiber Type | Multimode (MMF) |
| Fiber Diameter | 50/125 µm |
| Connector | MPO-12/APC |
| Max Distance (OM4) | 50 m |
| Transmit Power | -4.6 to +4.0 dBm |
| Receive Sensitivity | -6.4 to +4.0 dBm |
| Power Consumption | < 8 W |
| Operating Temperature | 0°C to 70°C |
Key Benefits
- High Density – QSFP-DD form factor doubles port density compared to QSFP+, maximizing switch utilization.
- Low Power – Energy-efficient design reduces operational costs in large-scale deployments.
- Breakout Capability – Supports 1:2 breakout for flexible 200G or 2x100G configurations.
Frequently Asked Questions About Product
If these questions do not dispel your doubts, please contact us
Where do your products come from?
All of our products from Cisco Disti，Cisco partner, Cisco distribution directly.
How to ship the goods?
Datadirect cooperation with FEDEX,UPS & DHL and air shipment. Orders can be tracked by express Tracking number. Air shipment will supply the B/L.
Can l use my own freight account to ship my order?
Sure, we can use your accounts to ship goods without any issue.
What's your warranty for the products you sell?
We guarantee that every item we ship is genuine, brand new, and backed by full global warranty coverage from the manufacturer.
Warranty Claims & Support:
- Active Warranty: Apply for a hassle-free RMA at any local official service center.
- Expired Warranty: Reached the end of your warranty? Contact our customer support team—we provide out-of-warranty paid RMA and repair services to help you fix the issue.
I want to buy a licence/service for a device, can I use it properly locally?
Fortinet, Meraki branded equipment licences purchased from us can be used globally, Cisco service needs to be confirmed by contacting us
How Hardware Procurement Works
A straightforward four-step process. No hidden costs, no ambiguous timelines. From your first inquiry to delivery, you know exactly what happens next.
Submit Your Requirement
Send us your hardware spec, model numbers, and quantity via email or WhatsApp. The more detail, the faster we can quote.
Receive a Detailed Quote
We respond within 24 hours with a complete quote - itemized pricing, lead time, and logistics estimate. No vague estimates.
Confirm and Pay
Approve the quote, complete payment or confirm agreed credit terms. We then place the order with our verified supply network.
Delivery and Handover
We manage logistics end-to-end and provide tracking. Delivery comes with full documentation and post-delivery support.
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