Dell AOC-Q28DD-8S28-25G-70M Compatible 200G QSFP-DD 8 x 25G NRZ to 8 x 25G SFP28 25G NRZ Active Optical Breakout Cable, 70m (230ft)

The AOC-Q28DD-8S28-25G-70M cable offers a direct QSFP-DD to 8x 25G SFP28 connection at 206.24Gbps (8x 25.78Gbps). Its 70m (230ft) length and AOC construction are intended for Dell equipment, with no separate transceiver-and-patch-cord assembly required.

OEM Part Number: AOC-Q28DD-8S28-25G-70MHT Part Number: AOC-Q28DD-8S28-25G-70M

Product Highlights

• Compatible alternative to Dell AOC-Q28DD-8S28-25G-70M
• 200G connectivity at 206.24Gbps (8x 25.78Gbps)
• Interface configuration: QSFP-DD to 8x 25G SFP28
• Fixed length and part number: 70m (230ft), AOC-Q28DD-8S28-25G-70M
• Cable construction: OM3
• Maximum power consumption: QSFP-DD <4W,SFP28 <1W
• Minimum bend radius: 30mm
• Operating temperature: 0 to 70°C (32 to 158°F)

The listed modulation format is NRZ. Both host interfaces must be configured for the same aggregate rate and lane arrangement. A connector that fits mechanically does not by itself guarantee that the remote port supports this encoding or breakout mode.

The intended application is determined by the host interface and protocol support. Listed interface and protocol references include QSFP-DD MSA V5.0,SFP28 MSA,CMIS V4.0,SFF-8472. Confirm that the host firmware and port configuration support the same operating mode.

The QSFP-DD to 8x 25G SFP28 configuration divides the high-speed interface into multiple lower-speed connections. Verify the upstream lane assignment, downstream port speeds and breakout setting on the host before connecting the assembly. Each branch must attach to the correct remote interface.

The optical engines and fiber are permanently integrated into this AOC. There are no detachable optical modules to clean or exchange. Handle the complete assembly by its connector housings and cable, and keep both ends matched to the same interface specification.

The extended 70m (230ft) reach supports connections across adjacent racks or between separated equipment rows. Secure the cable along its route, protect both ends from pull loads and preserve ventilation. The integrated AOC construction avoids a chain of separate modules and patch leads.

AOC-Q28DD-8S28-25G-70M is the longest of 12 verified length options in this family. Compared with AOC-Q28DD-8S28-25G-50M at 50m (164ft), it provides 20m of additional reach for a longer vertical drop, a wider rack or an adjacent-cabinet route. Confirm that the complete path requires this length, because unused slack still needs supported, bend-safe storage.

The rated power consumption is QSFP-DD <4W,SFP28 <1W. Include this load in the host-port power and thermal budget, especially in densely populated switches. Maintain front-panel clearance and do not bundle the cable so tightly that it obstructs airflow around the connectors.

This assembly uses minimum bend radius 30mm. These mechanical characteristics affect how the cable should be dressed behind the equipment. Avoid sharp edges, excessive ties and repeated tight bends close to the connector boots.

The HT cable carries the compatibility configuration associated with AOC-Q28DD-8S28-25G-70M, while its mechanical assembly remains the fixed 70m (230ft) version described here. Incoming inspection, connector examination and a live link test are completed before packing. Customers with unusually old or new Dell software can request a pre-order check.

Use part number AOC-Q28DD-8S28-25G-70M for the 70m (230ft) assembly. For mixed-length projects, list each required part number and quantity separately so that every cable can be tested and packed according to its intended installation.

Before packing, our team checks the cable jacket, connector boots, latches and identification of each assembly. The cable is then secured in a loose coil and protected against dust and connector impact. Neutral packaging, customer part-number labels and project-specific carton lists can be supplied on request.

Stock items are generally dispatched within one to three working days after order confirmation. DHL, UPS, FedEx, TNT and EMS are available for international delivery; larger consolidated orders can move by air or sea freight. Customer courier accounts and nominated forwarders are accepted.