Dell QSFP28-DD to QSFP288-DD 100GB DAC 3M Cable - 9FC7D
Every Bytestock refurbished product completes a rigorous refurbishment process that includes full testing. Our refurbished hardware offers extensive savings, typically anywhere from 30%-70% off the MSRP.
Manufacturer | DELL |
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High-Speed 100Gbps Connectivity with Low Latency
The Dell QSFP28-DD to QSFP28-DD 100GB Direct Attach Copper (DAC) Cable (Part Number: 9FC7D) is designed for ultra-fast, short-range data transmission between high-performance network devices. With a 3-metre length and double-density QSFP28 connectors at both ends, this passive copper cable supports up to 100Gbps speeds with minimal signal loss. Ideal for top-of-rack to server connections, it ensures high-bandwidth, low-latency links within dense networking environments.
Ideal for Data Centres, Switch Interconnects, and HPC
This 100GB DAC cable is an excellent solution for linking high-throughput switches, servers, and storage systems across racks or within the same cabinet. It’s particularly suited to high-performance computing (HPC), data centre fabrics, and large-scale virtualised environments where efficient bandwidth utilisation and signal integrity are key. The 3M length gives you flexibility without excess slack, supporting clean cable management in structured deployments.
Refurbished, Tested, and Backed by Bytestock
This cable is manufacturer-refurbished and has been professionally tested by Bytestock’s in-house team to ensure enterprise-grade reliability. It comes with our up to 5-year return-to-base warranty, fast global shipping, and expert customer support. For quality-assured refurbished Dell networking cables, trust Bytestock to keep your infrastructure connected, optimised, and ready to scale.
Delivery Information
- We Ship Worldwide
Shipping quotes are calculated at checkout using our discounted rates with DHL, based on weight and location.
- Parts Orders
Despatched same day with DHL, providing your order and payment are both received before 4pm, Monday to Friday (except bank holidays).
- System Orders
If ordered before 4pm we endeavour to ship your configured system that same day. However, if your order is particularly large or complex, we’ll take a bit more time to ensure you receive the best possible product.
- DHL UK Express
Next business day delivery during the day to the UK mainland if ordered before 4pm.
- DHL UK Express Pre 12pm
Next day delivery by 12:00 noon to UK mainland addresses.
- DHL Express Worldwide
2-3 day delivery during the day to almost all European business centres and 2-4 days for most other worldwide addresses (some shipments to EU addresses may face delays outside of our control due to customs charges).
- Collection / Own Shipping Account
If you wish to collect your order in person or use your own shipping account (UPS, DHL, TNT and FedEx). Please add your shipping instructions to your order at checkout, or speak to our team on LiveChat or +44 (0) 1753 965 777.


Up to 5-Year Warranty


1-Year Warranty


Extended Warranty Option (3 and 5 Years)
For older generation products that come with a 1-year warranty, we offer the option to extend the warranty to 3 or 5 years for an additional charge.