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LQD-M31400-024C 400gbase-xdr4 qsfp-dd 8 x 50g pam4 1310nm 2km mpo-12 apc smf transceiver module
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LINK-PP LQD-M31400-024C 400GBASE-XDR4 QSFP-DD 8 x 50G PAM4 1310nm 2km MPO-12/APC SMF Transceiver Module

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Product summary

Product
LINK-PP LQD-M31400-024C 400GBASE-XDR4 QSFP-DD 8 x 50G PAM4 1310nm 2km MPO-12/APC SMF Transceiver Module
SKU
212446
P/N
LQD-M31400-024C
Price
$ 859.00
Stock
110 in Stock
Sold
890
For Order Over $1000 Get $15 Off , Code: Linkpp15
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24 Reviews
5 Questions
890 Sold
$ 859.00
Free shipping over $99. For wholesale pricing, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 859.00
10
$ 833.23
100
$ 807.46
1000
$ 781.69
3000
$ 755.92
Manufacture: LINK-PP P/N: LQD-M31400-024C SKU: 212446
Shipping:
Free Shipping
to United States via FedEx IP
Estimated delivery time : 3 - 10 days.
5-Year Warranty 15-Day Returns 15-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
Stock:
110 in Stock .
Quantity:
Total Price:
$ 859.00

LINK-PP LQD-M31400-024C 400G QSFP-DD Specifications

The LINK-PP LQD-M31400-024C optical transceiver delivers exceptional high-speed data transmission for modern data centers. This 400GBASE-XDR4 QSFP-DD module integrates advanced PAM4 modulation, operating at an aggregated 425 Gbps. Featuring a 1310nm wavelength and standard MPO-12/APC connector, it complies with IEEE 802.3bs and QSFP-DD MSA standards, ensuring robust, low-power network infrastructure scalability.

LINK-PP Part Number LQD-M31400-024C Vendor Name LINK-PP
Form Factor QSFP-DD Max Data Rate 425Gbps
Wavelength 1310nm Max Cable Distance 2km
Connector MPO-12/APC Media SMF
Transmitter Type EML Receiver Type PIN
Modulation (Electrical) 8x50G-PAM4 Modulation (Optical) 4x100G-PAM4
DDM/DOM Supported Operating Temperature Range 0°C to +70°C
Protocols QSFP-DD MSA, CMIS Rev 4.0, IEEE 802.3bs Warranty 5 Years

Key Features of LINK-PP LQD-M31400-024C 400G QSFP-DD

Engineered for next-generation networks, the LINK-PP LQD-M31400-024C features a highly efficient 10W maximum power dissipation and a robust 76-pin electrical interface. This hot-pluggable 400G QSFP-DD module supports dynamic 4x100G breakout connectivity, seamlessly bridging legacy 100G infrastructures with advanced 400G hyperscale environments flawlessly.

LINK-PP LQD-M31400-024C 400G QSFP-DD Optical Module

As a premium 400GBASE-DR4+ solution, the LQD-M31400-024C optical module utilizes a powerful EML laser and PIN detector combination. It guarantees exceptional signal integrity, reducing insertion loss across complex data center architectures while maintaining high-density 400G switching capacity.

LQD-M31400-024C: 400G Connectivity for MAN Core Networks

Designed for robust backbone infrastructure, the LQD-M31400-024C accelerates metropolitan area network (MAN) and core network deployments. Its 425Gbps aggregate bit rate ensures seamless high-bandwidth data routing, offering telecommunications providers superior throughput for mission-critical enterprise communications.

LQD-M31400-024C Module with 1310nm Wavelength

Operating centrally at the 1310nm wavelength across four parallel lanes, this PAM4-enabled LQD-M31400-024C transceiver minimizes chromatic dispersion. This optimized 1310nm optical spectrum guarantees excellent transmission fidelity, making it an ideal choice for high-speed fiber optic networking.

LQD-M31400-024C Module Supporting 2km Transmission

The LINK-PP LQD-M31400-024C successfully drives 400G Ethernet signals over single-mode fiber (SMF) up to a 2km distance. This extended reach effectively links spine and leaf switches, providing scalable interconnectivity for campus networks and large-scale data facilities.

LQD-M31400-024C Module with MPO-12/APC Interface

Featuring a high-precision MPO-12/APC optical connector, the LQD-M31400-024C minimizes return loss and prevents detrimental back-reflections. This APC angled physical contact ensures superior optical coupling efficiency, crucial for maintaining stable 400GBASE-XDR4 optical links within dense networking environments.

LQD-M31400-024C Module with DOM for Real-Time Monitoring

Equipped with Digital Optical Monitoring (DOM) via a Two-Wire Serial Interface, the LQD-M31400-024C allows administrators to track real-time operational parameters. IT teams can precisely monitor temperatures, Tx/Rx optical power levels, and voltages, ensuring proactive network maintenance.


LINK-PP LQD-M31400-024C 400G QSFP-DD Certification

The LINK-PP LQD-M31400-024C is backed by comprehensive industry certifications. This 400G optical transceiver guarantees supreme safety, global environmental compliance, and standardized networking quality for demanding enterprise deployments.

Optical Transceivers Testing

Every LQD-M31400-024C unit undergoes a rigorous quality testing program at the factory. We evaluate electrical and optical characteristics to ensure sustained performance under peak hyperscale data loads.

LQD-M31400-024C Quality Certifications

Fully compliant with international regulatory standards, the LQD-M31400-024C securely holds CE, FCC, UKCA, UL, REACH, and RoHS certifications, strictly adhering to Class 1 laser safety requirements.

LQD-M31400-024C Certified for Reliable Host-Device Compatibility

Built in accordance with QSFP-DD CMIS Rev 4.0 specifications, the LQD-M31400-024C delivers verified host-device interoperability, ensuring seamless integration with major OEM switches and routers without hardware conflicts.


Rigorous Testing Ensures Reliable QSFP-DD Performance

Comprehensive laboratory assessments validate the optical and electrical integrity of the 400G transceiver, guaranteeing maximum reliability for uninterrupted, mission-critical network applications.

Optical

Optical Spectrum Test

Evaluates the 1310nm center wavelength to confirm perfect alignment and low chromatic dispersion.

Optical

Eye Pattern Test

Analyzes PAM4 signal modulation to guarantee excellent optical eye closure and TDECQ parameters.

Optical

Bit Error Rate Test

Verifies continuous data transmission over 2km SMF links to ensure ultra-low error probability.

Optical

Temperature Test

Confirms the transceiver operates reliably within the commercial case temperature range of 0~70°C.


Product Shipping for LINK-PP LQD-M31400-024C 400G QSFP-DD

We deploy a highly professional global supply chain process to deliver your 400G QSFP-DD modules safely, utilizing specialized packaging for uncompromised optical component protection.

Anti-Static Protective Packaging

Anti-Static Protective Packaging

Each LQD-M31400-024C is sealed in premium ESD-safe bags preventing electrical damage.

Shock-Resistant Transport Protection

Shock-Resistant Transport Protection

Secured within custom-molded foams to withstand extreme physical vibrations during transit.

Fast Order Processing and Dispatch

Fast Order Processing and Dispatch

Expedited factory handling ensures your optical module inventory ships without delay.

Global Logistics and International Delivery

Global Logistics and International Delivery

Partnered with top-tier couriers to provide swift, traceable worldwide destination deliveries.

LINK-PP LQD-M31400-024C 400G QSFP-DD Usage Demonstration

Deploying this 400G QSFP-DD optical module within your cloud infrastructure is remarkably simple. Just plug the hot-swappable transceiver into a compatible 400G port, attach your MPO-12/APC fiber cable, and immediately unlock seamless 400 Gbps connectivity engineered for high-capacity 2km transmission.

LQD-M31400-024C Technical Support

LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.

Pre-Sales Technical Consultation

Pre-Sales Technical Consultation

Professional technical guidance to help customers select the most suitable LQD-M31400-024C modules based on network architecture and application requirements.

Compatibility Verification Support

Compatibility Verification Support

Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.

Deployment & Installation Assistance

Deployment & Installation Assistance

Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.

Long-Term Technical Assurance

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.

LINK-PP LQD-M31400-024C 400G QSFP-DD After-Sales Assurance

LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.

15 days

15-day no-reason return and refund

Free maintenance or replacement

Free replacement for dead-on-arrival (DOA) or defective items within the initial period

Free maintenance

 Free repair services for manufacturing defects throughout the warranty period

Limitations

Warranty exclusions and conditions apply

Model Comparison Table

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Customer Reviews

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  • 5

    24 reviews

  • 5 Stars
    96%
    4 Stars
    4%
    3 Stars
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S***l
Czech Republic
Verified Purchase
5 .0
2026-09-06
Outstanding 425Gbps throughput over SMF. Exactly what our machine learning cluster needed.
D***s
Ecuador
Verified Purchase
5 .0
2026-08-13
Upgrading our campus fiber network required reliable 400G backbone links. These LINK-PP LQD-M31400-024C modules delivered flawless 2km transmission over SMF. Arista and Juniper switches recognized them instantly with perfect DOM telemetry.
E***n
Dominican Republic
Verified Purchase
5 .0
2026-07-20
Seamless multi-brand switch compatibility test. Worked right away with our Juniper and Dell core switches.
J***n
Italy
Verified Purchase
5 .0
2026-07-11
Perfect for our campus fiber network!
J***l
Portugal
Verified Purchase
5 .0
2026-06-20
Batch deployment in our datacenter was seamless.
J***a
Denmark
Verified Purchase
5 .0
2026-06-18
Nice MSA standard module for outdoor cabinets.
S***z
Malaysia
Verified Purchase
5 .0
2026-06-17
Overkill for home 10G NAS but amazing!
J***r
Belgium
Verified Purchase
5 .0
2026-06-07
Genuine plug and play 1310nm XDR4 modules. Much cheaper than original OEM optics.
B***s
United States
Verified Purchase
5 .0
2026-05-30
Deployed 50 units for data center interconnect. DOM reporting is accurate and temps low. ❄️
R***n
Spain
Verified Purchase
5 .0
2026-05-11
Great for our ISP backbone upgrades. 8x50G PAM4 modulation is completely rock solid.
J***a
Colombia
Verified Purchase
4 .0
2026-05-04
Box arrived slightly dented, but the 400G MPO-12/APC transceiver works flawlessly.
E***r
Costa Rica
Verified Purchase
5 .0
2026-05-02
Used these MPO-12/APC optics in an outdoor cabinet. Standard working temperature holds up perfectly!
M***n
Canada
Verified Purchase
5 .0
2026-05-01
Great QSFP-DD for base station backhaul.
C***z
Panama
Verified Purchase
5 .0
2026-04-29
Replaced several failing OEM modules in our outdoor cabinet edge network. The working temperature stays well within spec despite harsh ambient heat. Truly an enterprise-grade IEEE compliant 400GBASE-XDR4 module. Highly recommend!
J***z
Brazil
Verified Purchase
5 .0
2026-04-26
Cisco compatible and plug-and-play ready.
W***s
Netherlands
Verified Purchase
5 .0
2026-04-25
Flawless DDM reading on Arista switches.
D***t
Ecuador
Verified Purchase
5 .0
2026-04-16
400G PAM4 link came up instantly. ⚡
A***s
Peru
Verified Purchase
5 .0
2026-04-09
I bought this strictly for an insane home 10G NAS lab setup using breakout cables. Total overkill, but the multi-brand switch compatibility testing passed with flying colors. Absolutely zero link flapping or CRC errors!
R***l
Argentina
Verified Purchase
5 .0
2026-04-07
We just finished a massive machine room batch deployment for data center interconnectivity. The MPO-12/APC optical interface was a breeze to clean and connect. 400G PAM4 signals stayed perfectly synced even near max 2km distance.
J***k
United Kingdom
Verified Purchase
5 .0
2026-04-05
Solid 2km SMF transmission, zero packet loss.
C***s
Denmark
Verified Purchase
5 .0
2026-03-26
Excellent XDR4 optics for the price.
S***r
France
Verified Purchase
5 .0
2026-03-19
Good performance for 2km base station backhaul. Replaced failed Cisco optics without issues.
B***k
Malaysia
Verified Purchase
5 .0
2026-03-10
Mellanox accepted it without any errors!
C***n
Thailand
Verified Purchase
5 .0
2026-03-08
Breaking this 400G out to multiple 100G ports works like a charm. Total lifesaver!
Verified Purchase
.0
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