QDD-400G-SR8 400G MMF 850nm QSFP-DD PAM4 100m DOM MTP/MPO-16 Optical Transceiver
The QDD-400G-SR8 is an 8-channel, pluggable, fiber-optic QSFP-DD transceiver designed for 400Gbps SR8 applications. This high-performance module supports short-range data communication and interconnect applications operating at 53.125Gbps per lane, achieving up to 70m using OM3 fiber and 100m using OM4 fiber. The optical interface utilizes MPO receptacles, while the electrical interface employs a 76-contact edge-type connector.
Key Features
- Hot-pluggable QSFP-DD form factor
- Data Rate: 53.125 Gb/s PAM4 per lane
- 8x53Gbps PAM4 transmitter and receiver
- 8 channels 850nm VCSEL laser array and 8 channels PIN photo-detector array
- Maximum link length: 70m on OM3 MMF and 100m on OM4 MMF
- Digital diagnostics functions available via I2C interface
- Single 3.3V Power Supply with Power Dissipation < 12W
- MPO-16 connector
- Operating Case Temperature: 0℃ to +70℃
- RoHS compliant
Applications
- Data centers and Cloud Networks
- 400GE Interconnect Requirements
- 400G BASE-SR8 Ethernet
Compliance Standards
- IEEE 802.3cd
- QSFP-DD MSA
- CMIS 4.0
Ordering Information
| Part Number |
Product Description |
| QDD-400G-SR81C |
400Gbps QSFP-DD SR8 CDR Transceiver, 70m on OM3 MMF and 100m on OM4 MMF, 0ºC to +70ºC |
| QDD-400G-SR81B |
400Gbps QSFP-DD SR8 DSP Transceiver, 70m on OM3 MMF and 100m on OM4 MMF, 0ºC to +70ºC |
Product Images
Optical Interface
MPO-16 Single Row
Mechanical Dimensions
Manufacturer Information
Shenzhen Hilink Technology Co., Ltd., founded in 2007, specializes in manufacturing and marketing fiber optic products. As a RoHS, ISO, and CE certified company with over 10 years of experience, we are a trusted supplier offering superior quality, competitive pricing, and comprehensive solutions. Our core competencies include fiber optics for CFP, QSFP28, QSFP SR4 & LR4, CWDM SFP/XFP/X2, DWDM SFP/XFP/X2, and solutions for DWDM, CWDM, WDM, MPO, and AAWG applications. We maintain an independent R&D department with 8 skilled engineers and advanced testing equipment to ensure product quality and performance.
Frequently Asked Questions
Do you sell second-hand products?
No. All our products are brand new, and we never use second-hand components.
What payment terms do you accept?
We accept T/T, PayPal, and Western Union.
What are the shipping methods you offer?
Our standard shipping methods include DHL, FedEx, TNT, UPS, and EMS, with delivery typically taking 3-7 days.
Do your products come with warranty?
Yes, we provide a 3-year warranty for all our products from the date of shipment.
How to place an order?
1. Confirm order details including model and quantity required.
2. Review and confirm Proforma Invoice, then submit payment.
3. We will confirm and ship your goods, providing tracking information promptly.
4. We assist with tracking until you receive your goods safely.
As we offer various product types, if you cannot find the specific item you need, please contact us with your inquiry. We will respond promptly.
