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QSFP-40G-CSR4-MM850 - 40G QSFP+ 850nm 300m MMF Transceiver
$150.00 USD
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QSFP-40G-CSR4-MM850
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High-performance H3C QSFP-40G-CSR4-MM850 transceiver delivers 40G connectivity over multimode fiber with extended reach up to 400m, ideal for data center and enterprise networks.
Key Features
Extended Reach
Supports distances up to 300m on OM3 and 400m on OM4 multimode fiber, exceeding standard SR4 modules.
High Bandwidth
40Gbps aggregate data rate with 4x10G lanes, compliant with IEEE 802.3ba and MSA standards.
Breakout Capable
Supports 1-to-4 breakout connectivity to four 10G SFP+ links using appropriate cabling.
Reliable Design
Hot-pluggable QSFP+ form factor, low power consumption, and operating temperature range of 0°C to 70°C.
Specifications
| Model | QSFP-40G-CSR4-MM850 |
| Brand | H3C |
| Form Factor | QSFP+ |
| Max Data Rate | 40 Gbps |
| Wavelength | 850 nm |
| Max Distance | 300 m (OM3) / 400 m (OM4) |
| Connector | MTP/MPO (12-fiber, PC polished) |
| Transmitter Type | VCSEL 850 nm |
| Receiver Type | PIN |
| TX Power | -8 to 1.0 dBm |
| Receiver Sensitivity | < -13 dBm |
| Protocols | 40G Ethernet, InfiniBand QDR, SATA/SAS3, IEEE 802.3ba, MSA Compliant |
| Operation Temperature | 0 to 70°C (32 to 158°F) |
| Power Supply | Single +3.3V |
| RoHS | Compliant |
Key Benefits
- Extended Reach – Achieve longer distances than standard SR4 modules, reducing the need for additional switches or repeaters.
- Breakout Flexibility – Easily migrate from 40G to 4x10G connections for gradual network upgrades.
- Cost-Effective – High performance at a competitive price point for enterprise and data center deployments.
- Reliable Performance – Rigorously tested for compatibility and durability in demanding environments.
Frequently Asked Questions About Product
If these questions do not dispel your doubts, please contact us
Where do your products come from?
We source genuine IT products through our brand partnerships and trusted distribution channels, including leading distributors such as Ingram Micro. Our sourcing approach ensures reliable supply and product authenticity for your IT projects.
Where are your products shipped from
Zebra printers are shipped from mainland China. For other products, the shipping origin depends on product availability, project requirements, and destination, with shipments arranged from locations such as Hong Kong, Singapore, and the United States.
How to ship the goods?
Our ships via FedEx, UPS, DHL, and air freight. Express shipments can be tracked using a tracking number, while air freight shipments are provided with a Bill of Lading (B/L). Customers may also use their own courier accounts for shipping.
What is your return and refund policy?
We offer a 30-day return policy for eligible products, subject to our return conditions. Please contact chalice@datadirectglobal.com before returning any item. Refunds are processed to the original payment method within 10 business days after approval.
Payment processing fees may apply: 4.4% for credit card payments, 4.5% for PayPal, and no handling fee for bank transfers. Activated digital licenses, including Meraki and Fortinet licenses, are non-refundable and non-exchangeable.
For full details, please refer to our Return and Refund Policy.
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.
STEP 02 / 04
Receive a Detailed Quote
We respond within 24 hours with a complete quote - itemized pricing, lead time, and logistics estimate. No vague estimates.
STEP 03 / 04
Confirm and Pay
Approve the quote, complete payment or confirm agreed credit terms. We then place the order with our verified supply network.
STEP 04 / 04
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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