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Extreme Networks 400G-SR8-QSFPDD100M Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Ethernet Optical Transceiver Module
Extreme Networks 400G-SR8-QSFPDD100M Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Ethernet Optical Transceiver Module
Extreme Networks 400G-SR8-QSFPDD100M Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Ethernet Optical Transceiver Module
P/N: QDD-400G-SR8
$189.00
2
Solds
4
Reviews
3
Questions
safeguard
4-Year Warranty
30-Day Returns
30-Day Exchange
（1 In Stock）

Product Highlights

Built-in Inphi DSP Chip, Max. Power Consumption 10W
Tested in Targeted Switches for Superior Performance, Quality, and Reliability
Compliant with QSFP-DD MSA CMIS Rev4.0, OIF 56G PAM4
Hot Pluggable QSFP-DD Form Factor
High-speed Electrical Compliant to IEEE 802.3cd
8x 50G PAM4 Retimed 400GAUI-8 Electrical Interface
QSFP-DD Port is Backward Compatible with QSFP+, QSFP28 and QSFP56 Modules
See more
Specifications
Certification
Connectivity Solutions
Comparison Table
Q&A
Reviews
Resources
Extreme Networks 400G-SR8-QSFPDD100M Compatible 400GBASE-SR8 QSFP-DD PAM4 850nm 100m DOM MPO-16/APC MMF Ethernet Optical Transceiver Module
The 400GBASE-SR8 module, MTP/MPO-16 connector, up to 100m over parallel OM4 multi-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard.
The 400 Gigabit Ethernet signal is carried over eight wavelengths. Multiplexing and demultiplexing of the eight wavelengths are managed within the device. And it can Support 2× 200G-SR4 and 8× 50G-SR.
Specifications
Form Factor
QSFP-DD
Data Rate
425Gbps
Media
MMF
Wavelength
850nm
Connector
MTP/MPO-16 APC
Distance
70m@OM3 100m@OM4
Transmitter Type
VCSEL
Receiver Type
PIN
Electrical Modulation
8x 53.125G PAM4
Optical Modulation
8x 53.125G PAM4
Power Consumption
≤10.0W
Case Operating Temperature
0 to 70°C (32 to 158°F)
Protocol
400 Gigabit Ethernet 2x 200G Breakout Ethernet 4x 100G Breakout Ethernet
Application
Swicth to Switch Switch to NIC Other Optical Links
Certification
Product
Product
Product
Product
Product
Product
Product
Product
Product
Product
Connectivity Solutions
Extreme Switch links：400G QSFP-DD to 400G QSFP-DD
All
Extreme Switch links：400G QSFP-DD to 400G QSFP-DD
Comparison Table
Cisco Compatible 400G QSFP-DD SR8 100m 850nm MPO-16/APC MMF Transceiver Module
QDD-400G-SR8
Cisco QDD-400G-FR4 Compatible 400GBASE-FR4 QSFP-DD PAM4 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
QDD-400G-FR4
Cisco Compatible 400G QSFP-DD SR4 100m 850nm MPO-12/APC Transceiver Module
QDD-400G-SR4
Cisco Compatible 400G QSFP-DD DR4 500m 1310nm MPO-12/APC Transceiver Module
QDD-400G-DR4
Form Factor QSFP-DDQSFP-DDQSFP-DDQSFP-DD
Data Rate 425Gbps425Gbps425Gbps425Gbps
Media MMFSMFMMFSMF
Wavelength 850nm1264.5~1277.5nm@Lane 0 1284.5~1297.5nm@Lane 1 1304.5~1317.5nm@Lane 2 1324.5~1337.5nm@Lane 3850nm1310nm
Connector MTP/MPO-16 APCDuplex LC UPCMTP/MPO-12 APCMTP/MPO-12 APC
Distance 70m@OM3 100m@OM42km30m@OM3 50m@OM4500m
Transmitter Type VCSELEMLVCSELEML
Receiver Type PINPINPINPIN
Electrical Modulation 8x 53.125G PAM48x 53.125G PAM48x 53.125G PAM48x 53.125G PAM4
Optical Modulation 8x 53.125G PAM44x 106.25 PAM44x 106.25 PAM44x 106.25 PAM4
Power Consumption ≤10.0W≤9.0W≤9.0W≤9.0W
Case Operating Temperature 0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)
Protocol 400 Gigabit Ethernet 2x 200G Breakout Ethernet 4x 100G Breakout Ethernet400 Gigabit Ethernet400 Gigabit Ethernet400 Gigabit Ethernet 4x 100G Breakout Ethernet
Application Swicth to Switch Switch to NIC Other Optical LinksSwicth to Switch Other Optical LinksSwicth to Switch Switch to NIC Other Optical LinksSwicth to Switch Switch to NIC Other Optical Links
Form Factor
Data Rate
Media
Wavelength
Connector
Distance
Transmitter Type
Receiver Type
Electrical Modulation
Optical Modulation
Power Consumption
Case Operating Temperature
Protocol
Application
Cisco Compatible 400G QSFP-DD SR8 100m 850nm MPO-16/APC MMF Transceiver Module
QDD-400G-SR8
Cisco QDD-400G-FR4 Compatible 400GBASE-FR4 QSFP-DD PAM4 1310nm 2km DOM Duplex LC/UPC SMF Optical Transceiver Module
QDD-400G-FR4
Cisco Compatible 400G QSFP-DD SR4 100m 850nm MPO-12/APC Transceiver Module
QDD-400G-SR4
Cisco Compatible 400G QSFP-DD DR4 500m 1310nm MPO-12/APC Transceiver Module
QDD-400G-DR4
QSFP-DD
QSFP-DD
QSFP-DD
QSFP-DD
425Gbps
425Gbps
425Gbps
425Gbps
MMF
SMF
MMF
SMF
850nm
1264.5~1277.5nm@Lane 0 1284.5~1297.5nm@Lane 1 1304.5~1317.5nm@Lane 2 1324.5~1337.5nm@Lane 3
850nm
1310nm
MTP/MPO-16 APC
Duplex LC UPC
MTP/MPO-12 APC
MTP/MPO-12 APC
70m@OM3 100m@OM4
2km
30m@OM3 50m@OM4
500m
VCSEL
EML
VCSEL
EML
PIN
PIN
PIN
PIN
8x 53.125G PAM4
8x 53.125G PAM4
8x 53.125G PAM4
8x 53.125G PAM4
8x 53.125G PAM4
4x 106.25 PAM4
4x 106.25 PAM4
4x 106.25 PAM4
≤10.0W
≤9.0W
≤9.0W
≤9.0W
0 to 70°C (32 to 158°F)
0 to 70°C (32 to 158°F)
0 to 70°C (32 to 158°F)
0 to 70°C (32 to 158°F)
400 Gigabit Ethernet 2x 200G Breakout Ethernet 4x 100G Breakout Ethernet
400 Gigabit Ethernet
400 Gigabit Ethernet
400 Gigabit Ethernet 4x 100G Breakout Ethernet
Swicth to Switch Switch to NIC Other Optical Links
Swicth to Switch Other Optical Links
Swicth to Switch Switch to NIC Other Optical Links
Swicth to Switch Switch to NIC Other Optical Links
Questions & Answers
edit icon Ask a question
All (3) Application (1)Compatibility (1)Performance (1)
Q:

Do these cables support PAM4 modulation?

by N***m on 2025-09-25 07:52:31

A:

Yes, many modules and cables support PAM4 encoding.

by AICPLIGHT on 2025-09-25 08:39:22

like icon Helpful 0
comment icon Comment 0
Q:

What cable types are supported?

by X***m on 2025-08-19 21:24:14

A:

Supported cables include OS2, OM3, OM4, and OM5.

by AICPLIGHT on 2025-08-20 00:20:45

like icon Helpful 0
comment icon Comment 0
Q:

Can these be used in harsh environments?

by F***m on 2025-05-01 05:59:16

A:

We offer industrial-grade models for rugged applications.

by AICPLIGHT on 2025-05-01 06:36:54

like icon Helpful 0
comment icon Comment 0
Customer Reviews
edit icon Write a review
All (4) Compatibility (1)Ease of Use (2)Customer Support (1)
p
p***m
2025-09-17 08:56:36
Confirmed Purchase
5.0

Recognized immediately by our monitoring system—no configuration needed.

link icon Helpful 0
comment icon Comment 0
Z
Z***m
2025-08-19 20:51:34
Confirmed Purchase
5.0

The plug-and-play functionality helped speed up our Ethernet DCI rollout significantly.

link icon Helpful 0
comment icon Comment 0
8
8***m
2025-06-09 00:47:28
Confirmed Purchase
5.0

These modules were pre-programmed and ready to install out of the box—zero configuration needed.

link icon Helpful 0
comment icon Comment 0
t
t***m
2025-06-03 17:21:04
Confirmed Purchase
5.0

The pre-sales consultation was detailed and tailored to our specific data center needs. Very professional experience.

link icon Helpful 0
comment icon Comment 0
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