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.

 Show Moreexpand_more
 Show Lessexpand_less

Subcategories

10G SFP+ DAC

The 10G SFP+ DAC, also known as Direct Attach Copper, is a high-speed solution for network interconnections. Supporting 10Gbps transmission rates, it combines passive copper cabling with two SFP+ modules. It excels in short-range data transmission tasks, offering cost-effectiveness and simplicity, making it a staple in data centers and networking setups.

25G SFP28 DAC

The 25G SFP28 DAC (Direct Attach Copper) stands as a high-speed networking solution. Tailored for 25Gbps transmission rates, it integrates passive copper cabling with dual SFP28 modules. Boasting high-speed data transmission for short distances, it offers affordability and ease of installation, making it indispensable in modern data centers and network architectures.

100G QSFP28 DAC

The 100G QSFP28 DAC stands at the forefront of data transfer solutions, delivering a striking speed of 100Gbps. Housed in the QSFP28 form factor, it showcases four channels, each proficient at a 25Gbps rate. This DAC is emblematic of superior bandwidth, minimal latency, and energy efficiency, making it the choice par excellence for data center and server interconnections.

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 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
SYNOXX 100G QSFP28 DAC Cable QSFP28 3m | EDQPY-3
SYNOXX 100G QSFP28 DAC Cable EDQPY-3 QSFP28 3m
In stock
The SYNOXX EDQPY-3 is a 100G QSFP28 to QSFP28 passive direct attach copper (DAC) 
cable delivering 100Gbps over a 3-metre twinax connection using a 4×25G lane 
architecture — purpose-built for cross-rack and adjacent-rack 100G connections where 
1-metre cables fall short. Compliant with SFF-8636 and IEEE 802.3bj, featuring a 
two-wire I2C interface for monitoring and control, low crosstalk design, and power 
consumption under 1.5W per end. Hot-pluggable, RoHS compliant, and IC Certified.
US$68.00
ETU 25G SFP28 TO SFP28 DAC 3M
New
ETU 25G SFP28 TO SFP28 DAC 3M
Available!
High-performance 25G SFP28 to SFP28 direct attach copper cable designed for short-range connectivity up to 3 meters, offering low power consumption and excellent signal integrity.
US$39.00
ETU 100G QSFP28 TO QSFP28 DAC 1M
New
ETU 100G QSFP28 TO QSFP28 DAC 1M
Available!
High-speed 100G QSFP28 to QSFP28 DAC cable, SFF-8636 compliant, IEEE 802.3bj support, low power consumption, excellent signal integrity.
US$39.00
SYNOXX 100G QSFP28 DAC Cable QSFP28 1m | EDQPY-1
SYNOXX 100G QSFP28 DAC Cable EDQPY-1 QSFP28 1m
In stock
The SYNOXX EDQPY-1 is a 100G QSFP28 to QSFP28 passive direct attach copper (DAC) 
cable delivering 100Gbps data transfers over a 1-metre twinax connection using a 
4×25G lane architecture — the ideal same-rack interconnect for 100G spine-leaf 
switching environments. Compliant with SFF-8636 and IEEE 802.3bj, featuring a 
two-wire I2C interface for monitoring and control, low crosstalk, and power 
consumption under 1.5W per end. Hot-pluggable, RoHS compliant, and IC Certified.
US$39.00
SYNOXX 25G SFP28 DAC Cable SFP28 3m | EDSP2X-3
SYNOXX 25G SFP28 DAC Cable EDSP2X-3 SFP28 3m
In stock
The SYNOXX EDSP2X-3 is a 25G SFP28 to SFP28 passive direct attach copper (DAC) 
cable delivering 25.78Gbps over a 3-metre twinax connection — purpose-built for 
adjacent-rack 25G connections where 1-metre cables fall short, including cross-rack 
leaf-to-server links, flexible cable management through overhead trays and 
under-floor pathways, and 100G breakout target deployments with extra slack. 
Compliant with SFP28 MSA, SFF-8402, and IEEE 802.3by, featuring a hot-pluggable 
SFP28 form factor, low power consumption, and a fully passive copper signal path 
with no active components. Hot-pluggable, RoHS compliant, and IC Certified.
US$39.00