Dell 31XR6 is the exact ordering identifier covered here, in the Broadcom 57508 range. The reviewed specification records type: Network adapter; summary: Two 100GbE QSFP ports; PCIe; low profile; fits: PowerEdge R660, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R760, PowerEdge R7615, PowerEdge R7625, PowerEdge R7715, PowerEdge R7725. Use this guide to decide what to include in a configuration request, rather than treating similar model numbers as interchangeable.
Specifications that define this model
The values below retain the source qualifiers. A missing field is not evidence that a capability is included or absent.
| Specification | Recorded value |
|---|---|
| Type | Network adapter |
| Summary | Two 100GbE QSFP ports; PCIe; low profile |
| Fits | PowerEdge R660, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R760, PowerEdge R7615, PowerEdge R7625, PowerEdge R7715, PowerEdge R7725 |
How to evaluate this exact configuration
Option category
Option category for 31XR6: Network adapter. Identify the exact function before comparing ordering codes. Similar-looking accessories can occupy different positions or require different companion parts.
Configuration details
Configuration details for 31XR6: Two 100GbE QSFP ports; PCIe; low profile. Carry these details into the bill of materials. Check brackets, slots, cables, cooling and companion parts against the platform configuration guide rather than assuming they are bundled.
Documented platform scope
Documented platform scope for 31XR6: PowerEdge R660, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R760, PowerEdge R7615, PowerEdge R7625, PowerEdge R7715, PowerEdge R7725. Check the precise generation and installed configuration. The named platform establishes the scope to investigate, not unconditional fitment in every chassis.
Compare nearby ordering codes
| Model | Summary | Fits | Type |
|---|---|---|---|
| 31XR6 | Two 100GbE QSFP ports; PCIe; low profile | PowerEdge R660, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R760, PowerEdge R7615, PowerEdge R7625, PowerEdge R7715, PowerEdge R7725 | Network adapter |
| YRKJW | Two 10/25GbE SFP28 ports; PCIe; low profile | PowerEdge C6620, PowerEdge R660, PowerEdge R6615, PowerEdge R6625, PowerEdge R760, PowerEdge R7615, PowerEdge R7625 | Network adapter |
These are specification comparisons, not statements that the models are drop-in replacements. Compare the configuration limits before choosing an alternative.
Questions before you request a quote
Which product does 31XR6 identify?
It identifies Dell Broadcom 57508 dual-port 100GbE QSFP PCIe low-profile adapter. Keep 31XR6 on the requirement and quote; a family name alone does not fix the ordering configuration.
What compatibility scope is recorded for 31XR6?
The recorded scope is PowerEdge R660, PowerEdge R670, PowerEdge R6715, PowerEdge R6725, PowerEdge R760, PowerEdge R7615, PowerEdge R7625, PowerEdge R7715, PowerEdge R7725. Confirm the exact machine generation and configuration in the manufacturer guide; this is not a blanket compatibility promise.
What should I check before ordering 31XR6?
Start with the specification and configuration checks above, then state the quantity, destination and intended connections or platform. Ask for the exact contents of the offered configuration and identify every proposed substitution separately.
Build a clear requirement
Specify 31XR6, quantity and delivery country, then add the configuration information discussed above. Keep accessories and any accepted alternative as separate lines. Request current pricing and availability rather than relying on an article for live commercial information.
View the 31XR6 product listing · Browse Dell server options · Request a quote
For the wider selection process, read the related buying guide.
Sources and scope
Document and identifier checks: 2026-10-17. Prepared from manufacturer documentation and the catalogue's recorded specifications; no hands-on benchmark is claimed. Confirm destination-specific options and configuration eligibility against the source documents. Prices, stock, delivery dates and coverage terms are not established by this guide.