100G DAC Cable | QSFP28 Direct Attach Copper Cable
100G DAC Cables (QSFP28) are cost-effective, pre-terminated twinax copper assemblies designed for short-reach high-speed interconnects in modern data centers, enterprise networks and SANs. 100G Direct Attach Cables Support 100GBase-CR4 / 4×25G channel operation, provide ultra-low latency and very low power consumption, and are fully tested for interoperability with major switch and NIC vendors.
| Part Number | Product | Data Rate | Length | Temp |
|---|---|---|---|---|
| GL1H-DQ2Y130xxM | 100G QSFP28 to QSFP28 DAC | 100G | 0.5~3m | 0~70 ℃ |
| GL1H-DQ2Y126xxM | 100G QSFP28 to QSFP28 DAC | 100G | 3~5m | 0~70 ℃ |
| GL1H-DQ2Y430xxM | 100G QSFP28 to 4*SFP28 DAC | 100G to 4*25G | 0.5~3m | 0~70 ℃ |
| GL1H-DQ2Y426xxM | 100G QSFP28 to 4*SFP28 DAC | 100G to 4*25G | 3~5m | 0~70 ℃ |
- 100G Ethernet
- InfiniBand EDR
- Switches, servers and routers
- Storage area networks
Supports 100GBase-CR4 (4 × 25G NRZ) over QSFP28 interfaces.
Low power consumption and ultra-low latency — ideal for ToR, spine and SAN links.
Factory-direct manufacturing with full QA and competitive pricing (OEM/ODM available).
EEPROM information and vendor coding for host recognition (MSA / SFF management compliance).
Why Choose Fibrecross
Factory Direct Pricing: As a China-based manufacturer, we offer competitive prices by eliminating middlemen, ensuring you get the best value.
ISO-Certified Quality: Our in-house production follows strict ISO standards to guarantee product reliability and performance.
Comprehensive Testing: Each cable undergoes 100% rigorous testing for signal integrity and durability before shipment.
Fast Global Delivery: With efficient logistics, we provide timely shipping worldwide to keep your projects on schedule.
Custom OEM/ODM Solutions: Flexible options for custom lengths, branding, packaging, and labeling to meet your specific needs.
Strong Technical Support: Our experienced team provides professional advice and responsive service to support your deployments.
FAQ About 100G DAC Cable
A 100G DAC cable is a high-speed Direct Attach Copper cable designed to support 100 Gigabit Ethernet connections. It is widely used in data centers and enterprise networks for short-reach interconnects between switches, servers, and storage devices.
A 100G QSFP28 DAC cable enables ultra-low latency and high bandwidth connectivity using QSFP28 interfaces. It reduces power consumption and is ideal for short-distance links, enhancing overall data center efficiency.
Yes, DAC cable 100G is perfectly suited for direct server-to-switch or switch-to-switch connections within racks or across adjacent racks, offering reliable and cost-effective high-speed links.
A 100G QSFP28 breakout DAC cable splits a single 100G QSFP28 port into four separate 25G SFP28 ports, enabling flexible connections to multiple devices. It is commonly used for switch stacking or linking multiple servers.
Wholesale 100G QSFP28 DAC cable suppliers are typically factory manufacturers or authorized distributors offering competitive pricing for bulk purchases. Fibrecross is a trusted source providing factory-direct quality DAC cables with OEM/ODM support.
Using a 100G direct attach cable provides a low-latency, energy-efficient, and cost-effective solution for short-reach data center connections. It supports high bandwidth applications and helps reduce overall network latency.
