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Arista Compatible 800GBASE-2DR4 Twin-port QSFP-DD PAM4 1310nm 500m Dual MTP/MPO-12 APC SMF Optical Transceiver Module

Product No: 103659
13 Reviews
53 Sold
US$ 1,034.90
8 in real-time stock, 04 Jun, 2026

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5-Year Warranty 1-Year Exchange
Warranty
Providing industry-leading limited lifetime warranty.
Please check our warranty policy for details.
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Please ensure that the item you're returning is repackaged with all the cords, adapters, and documentation included when you receive it.
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1. 8 electrical input/output channels x 106.25G PAM4 modulation
2. Support 800G to 2x 400G DR4 application, no breakout cables required
3. Designed with two transmitter/receiver units, dual MTP/MPO-12 connectors
4. EML + PIN Laser
5. Max power consumption ≤18W
See more

Specifications

Arista Compatible 800G QSFP-DD 2x DR4 PAM4 Optical Transceiver Module (1310nm, 500m, 2x MTP/MPO-12 Connectors, SMF, 0℃ to +70℃, DDM)

 

Arista Compatible 800G OSFP 2x DR4 transceiver module supports a max data rate of 850Gbps. It enables the fiber link of 500m over single-mode fiber (SMF) with dual MTP/MPO-12 connectors. The 800 Gigabit Ethernet signal is carried over 1310nm. QSFPTEK manufactured  2x 400GBASE DR4 OSFP complies with IEEE 802.3cu-2021, IEEE 802.3ck-2022, OSFP MSA HW Rev 7.0, CMIS Rev 5.0. DDM (digital diagnostics monitoring) function is supported on the 800G fiber optic transceiver to achieve real-time operating parameters monitoring. Adopting the Pulse-amplitude Modulation (PAM4) modulation, the 2x DR4 OSFP achieves 800 Gigabit Ethernet through 8x 106.25 PAM4 Retimed 8x100GAUI-1 C2M electrical interface. The 800G 2x DR4 OSFP is widely used for 800 gigabit Ethernet, data centers, and 800G to 2x 400G applications.

 

Part Number QT-QSFP-DD-800G-2DR4 Vendor Name QSFPTEK
Form Factor OSFP Max Data Rate 850Gbps (8x 106.25Gbps)
Wavelength 1310nm Distance 500m
Connector Dual MTP/MPO-12/APC Cable Type SMF
Transmitter Type EML Receiver Type PIN
TX Power -2.9 to +4dBm Receiver Sensitivity < -5.9dBm
Packaging Technology COB (Chip on Board) Packaging Receiver Overload 4 dBm
Power Consumption <18W Modulation Format PAM4
DDM/DOM Supported Temperature 0 to 70°C (32 to 158°F)
Protocols IEEE 802.3cu-2021, IEEE 802.3ck-2022, OSFP MSA HW Rev 7.0, CMIS Rev 5.0 Warranty 5 Years
Quality Testing Program
Quality Certifications

Features

  • 1. Advanced Technology
    Features PAM4 modulation technology and built-in DSP chip.
  • 2. Best Price and High Quality
    Based on self-producing capacity and rigorous testing, QSFPTEK can provide cost-effective products with high reliability and performance at a trade price.
  • 3. Protocols
    Complies with IEEE 802.3cu-2021, IEEE 802.3ck-2022, OSFP MSA HW Rev 7.0, CMIS Rev 5.0 standards.
  • 4. Quality Certifications
    Backed by CE, FCC, ROSH, ISO9001.

Applications

Scenario 1: 800G to 800G Direct Connectivity

800G QSFP-DD 2DR4 Direct Connectivity

 


 

Scenario 2: 800G to 2x 400GE Breakout Connectivity

800G QSFP-DD 2DR4 Breakout Connectivity

Product details

Broadcom DSP & Broadcom VCSEL Unlock High-Efficiency AI Data Center Interconnect

   

This 800GBASE-2DR4 QSFP-DD module utilizes Broadcom's top-tier PAM-4 DSP chip combines ultra-low bit error rate with the industry's lowest power consumption. It uses advanced equalization technology to compensate for optical impairments and integrates FEC functions to ensure link reliability, providing core support for high-speed data centers and AI clusters.

 



   

8x 100Gbps PAM4 Modulation Technology

   

Utilize 8x electrial lanes and 8x optical lanes modulated at 100G PAM-4 per lane. On the output side, it convert 8x 106.25Gb/s electrical signal to 8x 106.25Gb/s optical signals. On the receiver side, it convert 8x 100Gb/s optical signal to 8x 100Gb/s electrical signals.

 

  


 

Various Switch Tests

 

Every module is quality tested for compatibility in the multi-brand switches environment, which guarantees flawless operations.

 

QSPFTEK LAB All Brands Switches Show

 


 

Comprehensive Testing

 

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices for you.

 

QSFPTEK Test Devices

 


 

800G QSFP-DD Optical Transceivers Contrast Table

 

Part Number

QT-QSFP-DD-800G-SR8

QT-QSFP-DD-800G-2VR4

QT-QSFP-DD-800G-DR8

QT-QSFP-DD-800G-2DR4

Image

Data Rate

800G

800G

800G

800G

Optical Connector

Single MPO-16/APC

Dual MPO-12/APC

Single MPO-16/APC

Dual MPO-12/APC

Cable Type

MMF

MMF

SMF

SMF

Wavelength

850nm

850nm

1310nm

1310nm

Reach

50m

50m

500m

500m

Modulation

PAM4

PAM4

PAM4

PAM4

Max Power Consumption

< 16W

< 16W

< 16.5W

< 18W

Application

800G to 800G, 800G to 2x400G breakout

800G to 800G, 800G to 2x400G breakout

800G to 800G, 800G to 2x400G breakout, 800G to 8x100G breakout

800G to 800G, 800G to 2x400G breakout

Matching Downlink  Transceivers

QT-QSFP-DD-SR4 (400G)

QT-Q112-400G-SR4

QT-OSFP-400G-SR4

QT-QSFP-DD-SR4 (400G)

QT-Q112-400G-SR4

QT-OSFP-400G-SR4


QT-QSFP-DD-DR4 (400G)

QT-Q112-400G-DR4

QT-OSFP-400G-DR4

QT-QSFP28-DR1

QT-QSFP-DD-DR4 (400G)

QT-Q112-400G-DR4

QT-OSFP-400G-DR4

Part Number

QT-QSFP-DD-800G-2XDR4

QT-QSFP-DD-800G-2FR4

QT-QSFP-DD-800G-2LR4

 

Image

 

Data Rate

800G

800G

800G

 

Optical Connector

Dual MPO-12/APC

Dual Duplex CS/UPC

Dual Duplex LC/UPC

 

Cable Type

SMF

SMF

SMF

 

Wavelength

1310nm

1271nm, 1291nm, 1311nm and 1331nm

1271nm, 1291nm, 1311nm and 1331nm

 

Reach

2km

2km

10km

 

Modulation

PAM4

PAM4

PAM4

 

Max Power Consumption

< 18W

< 18W

≤ 18W

 

Matching Transceivers

QT-QSFP-DD-DR4+ (400G)

QT-Q112-400G-DR4+

QT-QSFP28-FR1

QT-QSFP-DD-FR4 (400G)

QT-Q112-400G-FR4

QT-OSFP-400G-FR4

QT-QSFP-DD-LR4 (400G)
QT-OSFP-400G-LR4

 

Application

800G to 800G, 800G to 2x400G breakout, 800G to 8x100G breakout

800G to 800G, 800G to 2x400G breakout

800G to 800G, 800G to 2x400G breakout

 

 

Questions & Answers

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Customer Reviews

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  • Customer Support (1)
  • Excellent Quality (2)
  • Good Price (2)
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  • Good Packaging (2)
  • Stable (2)
  • Compatibility (3)
  • High Performance (2)
  • Alice Hudson United States of America
    2026-05-27

    I bought this from qsfptek last month, and now I'm back to share my honest thoughts. You can tell they're still growing, but compared to other vendors I've dealt with, they're really genuine. They do full testing, and their customer support is super kind.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

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  • William W. United States of America
    2026-05-23

    Way cheaper than what other places charge, and the sales rep was super nice. Really enjoyed shopping here. Planning to try out the 400G optics next month.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Walter Leopold United States of America
    2026-05-22

    This DR4 is installed in our data center, which does GPU interconnection. Traffic is consistently high, but the link status has always been clean, without any inexplicable flaps or alarms.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

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    0

  • Cary United States of America
    2026-05-22

    A very pleasant shopping experience with great prices and product quality.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Olga Huxley United States of America
    2026-05-20

    Installation was pretty uneventful, which is actually a good thing. Link came up immediately and stayed stable during overnight traffic testing.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Seamas United States of America
    2026-05-19

    We tested these in a high-traffic environment and the performance has been very consistent. The modules were recognized immediately, and MPO connectivity stayed stable throughout deployment.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Hobart Rossetti United States of America
    2026-05-18

    I'm using this 800G QSFP-DD 2DR4 in a medium-distance single-mode environment, about 300 meters. The link setup is fast, and I've encountered virtually no compatibility issues. When running high-bandwidth services continuously, the DDM data is quite stable with no significant fluctuations. I've used QSFPTEK's 400G products before, and this purchase experience is just as excellent.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Dana Habakkuk United States of America
    2026-05-15

    The link established very quickly, with minimal compatibility issues. After running high-traffic backup tasks for a while, its overall performance was stable, without occasional jitter or retraining problems, making it a relatively hassle-free 800G DR solution.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Irwin United States of America
    2026-05-12

    Without a doubt, they are one of the best choices in terms of price and product quality. Another reason that helped me place the order was the timely feedback from the account manager, which was excellent service.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

    Helpful

    0

  • Eileen United States of America
    2026-04-24

    Smooth purchasing experience. The 800G transceivers are fairly priced and work well. Definitely will buy again.

    Transceivers typeAR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

    CompatibleArista

    Verified Purchase

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    0

Resources

  • PDF Document
    Transceiver Module User Guide.pdf
  • PDF Document
    QT-QSFP-DD-800G-2DR4 Datasheet.pdf
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Arista Compatible 800GBASE-2DR4 Twin-port QSFP-DD PAM4 1310nm 500m Dual MTP/MPO-12 APC SMF Optical Transceiver Module

Compatible Arista

Transceivers type AR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC

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Mark

2023-12-15
This product works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent value fo ct works well with my switch, and I plan to buy some DWDM transceivers from QT. Excellent valur money!

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Arista Compatible 800GBASE-2DR4 Twin-port QSFP-DD PAM4 1310nm 500m Dual MTP/MPO-12 APC SMF Optical Transceiver Module
US$ 1,034.90
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AR-QSFP-DD-800G-2DR4 | 500m | Dual MPO-12/APC
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Arista Compatible 800GBASE-2DR4 Twin-port QSFP-DD PAM4 1310nm 500m Dual MTP/MPO-12 APC SMF Optical Transceiver Module

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