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AOC&DAC
100G QSFP28 DAC
Compliant with QSFP-DD/QSFP28 MSA Standard
Compliant with IEEE 802.3bj (100GBASE-CR4) Standard
Compliant with IEEE 802.3by (25 Ethernet) Standard
Data Rate:28G NRZ Per Channel Total Bandwidth 100 Gbps (4 Lane 28G NRZ)
Low Power Consumption
Management Interface follows SFF-8636 Standard and can be customized
Excellent SI Performance
Custom Colors For Pull Tab
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QSFP28 to QSFP28 100 Gbps DAC

100G Passive copper cables are the most common type of 100G DAC cable and are usually used for short distances. They have a low price point and deliver good performance, but their distance range of 5 meters limits them.

100G active copper cables are a newer technology and are becoming more efficient for their increased distance range of up to 10 meters. They have a higher price point but offer better performance for their increased capacity.

Another type is a hybrid 100G DAC cable. This type of cable comprises different connectors and data rates on both ends of the cable. For example, one end might be an SFP28 for 25G Ethernet, and the other could be a QSFP28 for 100G Ethernet. This cable is helpful for those who need to interconnect the switch ports.

When choosing a 100G DAC cable, it is crucial to consider the length of the run, the data rate of the devices, and the budget. For short runs, passive copper cables are a good option. Active copper cables might be a better option for longer runs or devices requiring high data rates.

No matter what type of 100G DAC cable you choose, you can be sure it will provide a fast and reliable connection.

Product Description: QSFP28 to QSFP28 100 Gbps Passive Direct Attach Copper Cable

Series: 100-GBPS QSFP28
Data Rate: 100 Gigabit Ethernet (100 GbE)
Bulk Cable: Twin-Ax  HSC Series
Cable Construction: 8Pair Round Cable
Signal Wire Size: 26-30 AWG
Cable Length : 0.5-5.0 M
LSZH Products Available
Temperature Range: 0-70℃

Mechanical Performance
QSFP28 Module
Module Insertion:  60N Maximum
Module Extraction: 30N Maximum
Latch Retention: 90N Minimum
Rated Durability Cycles: 50 Cycles Minimum

Electrical Performance
QSFP28 Module
Supply Voltage 3.3 VDC +/- 5%
Supply Current:0.03A Max at 3.135V
Power Consumption (DAC) : 0.125 Watt Max
Voltage: 30VAC per contact
Current: 0.5A/Signal Contact

Signal Integrity
IEEE 802.3bj (100GBASE-CR4)
IEEE 802.3by (25 Ethernet)
InfiniBand™ 4X EDR(100G)

Product Environmental Compliance
1. RoHS2.0: Compliant
2. China RoHS: Yes
3. REACH SVHC: Yes

4. Low-Halogen Products: Optional


ordering information

P/N Description Parameters
Rate Length AWG DAC/ACC
DAC-QSFP28-100G-CP0.5M 100G QSFP28 Copper DAC Cable,0.5 Meter,Passive 100G/ps 0.5m 30 无源
DAC-QSFP28-100G-CP1M 100G QSFP28 Copper DAC Cable,1 Meter,Passive 100G/ps 1m 30 无源
DAC-QSFP28-100G-CP1.5M 100G QSFP28 Copper DAC Cable,1.5 Meter,Passive 100G/ps 1.5m 30 无源
DAC-QSFP28-100G-CP2M 100G QSFP28 Copper DAC Cable,2 Meters,Passive 100G/ps 2m 30 无源
DAC-QSFP28-100G-CP2.5M 100G QSFP28 Copper DAC Cable,2.5 Meters,Passive 100G/ps 2.5m 30 无源
DAC-QSFP28-100G-CP3M 100G QSFP28 Copper DAC Cable,3 Meters,Passive 100G/ps 3m 30 无源
DAC-QSFP28-100G-CP4M 100G QSFP28 Copper DAC Cable,4 Meters,Passive 100G/ps 4m 26 无源
DAC-QSFP28-100G-CP5M 100G QSFP28 Copper DAC Cable,5 Meters,Passive 100G/ps 5米 26 无源






Market and Application
High-Performance Computing (HPC)
Network Interface Cards (NIC's)
Data Center and Enterprise Storage Systems
Telecommunication Equipment
100Gbps Ethernet
InfiniBand™  4X EDR
Fibre Channel

100G Transceiver vs. DAC vs. AOC, Which one to Choose?

Comparison 100G DAC 100G AOC 100G Transceiver
Reach Passive: max 5m
Active: max 10m
Max 100m 100GBASE-SR4: 100m
100GBASE-LR4: 10km
100GBASE-ER4: 40km
100GBASE-ZR4: 80km
Fiber Type Copper Cable OM3/OM4 Fiber Cable OM3/OM4/OS2 Fiber Cable
DOM Support No Yes Yes
Compatibility Yes Yes Yes
Power Consumption Lowest Medium Highest
Weight 150g~1kg 100g~5kg ~50g
Price(H&T's) Lowest Medium Highest
Size Big Medium Small
Application EoR Switch to Server ToR Switch to Server
EoR Switch to Server
ToR Switch to Server
EoR Switch to Server
Data Center Interconnection