40G QSFP+ 0.5-7m Passive Direct Attach Copper（DAC)
40G DAC cables are a high-speed data transfer solution for data centers and high-performance computing environments, typically used for connecting devices over short distances. These cables utilize copper as the transmission medium with QSFP+ connectors on both ends and can achieve data rates of up to 40Gbps.
Parameter
| Part Number | Product | Data Rate | Length | Temp |
|---|---|---|---|---|
| GL40-DY130xxM | 40G QSFP+ to QSFP+ DAC | 40Gbps | 0.5~3m | 0~70 ℃ |
| GL40-DY126xxM | 40G QSFP+ to QSFP+ DAC | 40Gbps | 3~7m | 0~70 ℃ |
| GL40-DY430xxM | 40G QSFP+ to 4SFP+ DAC | 40G to 4*10G | 0.5~3m | 0~70 ℃ |
| GL40-DY426xxM | 40G QSFP+ to 4SFP+ DAC | 40G to 4*10G | 3~7m | 0~70 ℃ |
- 40G Ethernet
- InfiniBand QDR
- Networked storage systems
- Hubs, Switches, Routers, Servers
- Up to 40Gbps total bandwidth
- 4 independent duplex channels 10Gbps
- Up to 7meter transmission
- InfiniBand QDR
- Compliant with SFF-8436.
- Temperature Range: 0~ 70 °C
- RoHS compliant
FAQ About 40G DAC Cable
What is a 40G DAC cable?
A 40G DAC cable (Direct Attach Cable) is a high-speed, passive Twinax cable with QSFP+ connectors, used for short-distance data center connections up to 10 meters at 40Gbps.
What are the benefits of using 40G DAC cables?
They 40G SFP+ DAC cable for data center, low latency, cost-effectiveness compared to AOC cables, and easy plug-and-play setup for data centers.
How does a 40G DAC cable compare to a 40G AOC cables?
40G DAC cables are ideal for short ranges (up to 10m) and are cheaper with lower power use, while 40G AOC cables suits longer distances (up to 100m) but costs more.
Is the 40G DAC cable compatible with my switch?
Our 40G QSFP+ DAC cables work with brands like Cisco, Juniper, and Arista. Email us at info@fibrecross.com to confirm compatibility.
What lengths are available for 40G DAC cables?
We offer 40G DAC cables in lengths of 0.5m, 1m, 2m, 3m, 5m, 7m to fit your data center needs.
Are 40G DAC cables passive or active?
Our 40G DAC cables are passive, requiring no external power, making them ideal for short, high-speed links.
What standards do Fibrecross 40G DAC cables meet?
They comply with SFF-8436 and IEEE 802.3ba, ensuring reliable 40Gbps performance.
Why choose Fibrecross for 40G DAC cables?
Enjoy a low MOQ (1pc), fast shipping (1-3 days for stock), and a 5-year warranty on all cables.
