QSFP-40G-SR4-MM850 - 40GBASE-SR4 QSFP+ 850nm 150m MMF
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The H3C QSFP-40G-SR4-MM850 is a high-performance 40GBASE-SR4 QSFP+ optical transceiver module designed for short-reach multimode fiber connections, delivering reliable 40G Ethernet connectivity in data centers and enterprise networks.
Key Features
High Bandwidth
Supports 40Gbps data rate over four 10Gbps lanes, ideal for high-density network environments.
Extended Reach
Operates up to 100m on OM3 MMF and 150m on OM4 MMF, providing flexible deployment options.
Breakout Capability
Supports 1-to-4 breakout to four 10G SFP+ links when used with appropriate cabling, maximizing port utilization.
Hot-Pluggable
QSFP+ form factor enables easy installation and replacement without network downtime.
Specifications
| Model | QSFP-40G-SR4-MM850 |
| Brand | H3C |
| Form Factor | QSFP+ |
| Data Rate | 40 Gbps (4 x 10 Gbps) |
| Wavelength | 850 nm |
| Connector | MPO (PC-polished, 12-fiber) |
| Fiber Type | Multimode 50/125 µm |
| Max Distance | 100 m (OM3), 150 m (OM4) |
| Transmit Power | -7.6 to 0 dBm |
| Receive Sensitivity | -9.5 to +2.4 dBm |
| Power Consumption | < 2.5 W |
| DDM Support | Yes |
Key Benefits
- Cost-Effective 40G Upgrade – Provides a seamless migration path from 10G to 40G using existing multimode fiber infrastructure.
- High Port Density – Enables dense 40G aggregation in switches, reducing cabling complexity and space requirements.
- Interoperability – Fully compatible with H3C switches and routers, ensuring reliable performance in mixed-vendor environments.
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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