ETU-LINK

Discover ETU-LINK's selection of Optical Transceivers and Interfaces featuring cutting-edge technology for enhanced network performance. Our collection includes 100G QSFP28, 25G SFP28, and 10G SFP+ optical transceivers, along with Direct Attach Copper solutions. Ideal for a wide range of applications, these products ensure high-speed, reliable connectivity. Upgrade your network with our top-quality transceivers, designed for compatibility with leading hardware brands.

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Optical transceivers

Optical transceivers play a pivotal role in data transmission, and they are categorized based on various factors. One primary classification is by transmission rates, which include 400G, 100G, 40G, 25G, 10G, 1G, and 100M optical modules.

Another significant classification is by their encapsulation types. As the transmission rate of an optical module increases, so does its structural complexity. Based on encapsulation, they are differentiated into SFP, SFP+, XFP, SFP28, QSFP+, CXP, CFP, QSFP28, and QSFP-DD modules.

A notable feature of these optical modules is that they are all hot swappable, ensuring flexibility and ease of use.

Direct Attach Copper

Direct Attach Copper (DAC) offer a reliable and cost-effective solution for high-speed data transmission in networking environments.

These copper cables, equipped with connectors, plug directly into network interfaces.

By providing a direct electrical connection between devices, DAC ensures speedy and consistent data flow.

Their simplicity, coupled with cost-effectiveness, makes them an ideal choice for data centers and high-performance computing ecosystems.

SYNOXX 100G QSFP28 LR4 Transceiver LC 10km | EQP29Y-10D
SYNOXX 100G QSFP28 LR4 Transceiver EQP29Y-10D LC 10km
In stock
The SYNOXX EQP29Y-10D is a 100G QSFP28 LR4 optical transceiver delivering 100Gbps 
transmission over single-mode fiber up to 10km using four LAN Wavelength Division 
Multiplexing (LWDM) channels around 1310nm — a standard LC duplex interface 
enabling long-reach 100G data centre interconnects, inter-building campus links, 
and metro-edge telecom connections without MPO ribbon fiber infrastructure. 
Compliant with QSFP28 MSA and IEEE 802.3ba, featuring a CAUI-4 (4×25G) electrical 
host interface, integrated Digital Diagnostic Monitoring (DDM) for real-time 
temperature, voltage, TX/RX power, and bias current monitoring, and low power 
consumption. Hot-pluggable, RoHS compliant, and IC Certified.
US$244.00
SYNOXX 100G QSFP28 SR4 Transceiver MPO 100m | EQP85Y-01D
New
SYNOXX 100G QSFP28 SR4 Transceiver EQP85Y-01D MPO 100m
In stock
The SYNOXX EQP85Y-01D is a 100G QSFP28 SR4 optical transceiver delivering 100Gbps 
over multimode fiber using a 4×25G parallel VCSEL array — transmitting and receiving 
across four simultaneous 25G optical lanes via an 8-fiber MPO ribbon connector, 
supporting distances up to 100m on OM3 and OM4 multimode fiber for high-density 
100G data centre switching, 100G parallel breakout deployments, and any 100G 
application requiring MPO-based multimode fiber infrastructure. Compliant with 
QSFP28 MSA and IEEE 802.3bm, featuring integrated Digital Diagnostic Monitoring 
(DDM) for real-time temperature, voltage, TX/RX optical power, and bias current 
monitoring with low power consumption. Hot-pluggable, RoHS compliant, and IC 
Certified.
US$101.00
SYNOXX 100G QSFP28 DAC Cable QSFP28 5m | EDQPY-5-26
New
SYNOXX 100G QSFP28 DAC Cable EDQPY-5-26 QSFP28 5m
In stock
The SYNOXX EDQPY-5-26 is a 100G QSFP28 to QSFP28 passive direct attach copper 
(DAC) cable delivering 100Gbps over a 5-metre 26AWG twinax connection — purpose-built 
for extended-rack and cross-row 100G deployments where 1m and 3m cables fall short, 
including end-of-row switch connections, long cable tray runs, and flexible spine-to-leaf 
links requiring extra reach on the passive copper budget. Based on a 4×25G architecture, 
compliant with SFF-8636 and IEEE 802.3bj, with a two-wire I2C interface for monitoring 
and control, low power consumption, and low crosstalk across the full 5m run. 
Hot-pluggable, RoHS compliant, and IC Certified.
US$96.00
ETU 100G QSFP28 TO 4X SFP28 DAC 3M
New
ETU 100G QSFP28 TO 4* SFP28 DAC 3M
Available!
High-performance 100G QSFP28 to 4x SFP28 passive DAC breakout cable designed for data center and high-speed networking applications, featuring low crosstalk, low insertion loss, and excellent signal integrity.
US$80.00
SYNOXX 100G QSFP28 to 4xSFP28 Breakout DAC 3m | EDQPY-4SP3
SYNOXX 100G QSFP28 Breakout DAC Cable EDQPY-4SP3 QSFP28 to 4×SFP28 3m
In stock
The SYNOXX EDQPY-4SP3 is a 100G QSFP28 to 4×SFP28 passive direct attach copper 
(DAC) breakout cable that splits a single 100G QSFP28 port into four independent 
25G SFP28 connections over 3 metres of twinax copper — enabling cost-effective 
25G server and storage connectivity from a 100G spine or leaf switch port without 
additional transceivers. Compliant with IEEE 802.3bj, SFF-8636, and SFF-8402 
standards, featuring EEPROM support for device identification, low insertion loss, 
and passive operation with no active components required. Hot-pluggable, RoHS 
compliant, and IC Certified.
US$80.00
SYNOXX 25G SFP28 DAC Cable SFP28 5m | EDSP2X-5-26
New
SYNOXX 25G SFP28 DAC Cable EDSP2X-5-26 SFP28 5m
In stock
The SYNOXX EDSP2X-5-26 is a 25G SFP28 to SFP28 passive direct attach copper (DAC)
cable delivering 25.78Gbps over a 5-metre 26AWG twinax connection — built for
extended-rack and end-of-row 25G deployments where 1m and 3m cables fall short,
including cross-rack leaf-to-server links, overhead cable tray runs spanning multiple
rack units, and 100G breakout target connections requiring routing slack across
rack boundaries. Compliant with SFP28 MSA and SFF-8402, featuring a hot-pluggable
SFP28 form factor, fully passive copper with no active components, and operating
temperature range of 0°C to 70°C. Hot-pluggable, RoHS compliant, and IC Certified.
US$75.00
ETU 25G SFP28 LR 1310NM 10KM LC
New
ETU 25G SFP28 LR 1310nm 10KM LC
Available!
25G SFP28 LR transceiver, 1310nm, 10km over SMF, LC duplex, DDM support, low power consumption, hot-pluggable, ideal for data center and telecom applications.
US$72.00
ETU 100G QSFP28 TO QSFP28 DAC 3M
New
ETU 100G QSFP28 TO QSFP28 DAC 3M
Available!
High-speed 100G QSFP28 to QSFP28 DAC cable, SFF-8636 compliant, IEEE 802.3bj support, low power consumption, excellent signal integrity.
US$68.00