Dell KN40K is the exact ordering identifier covered here, in the PowerEdge range. The reviewed specification records capacity: 4 TB; type: HDD; interface: SATA 6G. 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 |
|---|---|
| Capacity | 4 TB |
| Type | HDD |
| Interface | SATA 6G |
| Form factor | 3.5-inch |
| Speed | 7.2K rpm |
| Fits | PowerEdge R360; PowerEdge R660; PowerEdge R760; PowerEdge R7725; PowerEdge T560 |
How to evaluate this exact configuration
Drive capacity
Drive capacity for KN40K: 4 TB. Record the required number of drives and the intended storage layout. Drive capacity is not usable array capacity after formatting, redundancy and reserved space.
Storage connection
Storage connection for KN40K: SATA 6G. Check the backplane, controller, cabling and supported operating mode. The stated interface rate is not a measured sustained read or write rate.
Documented platform scope
Documented platform scope for KN40K: PowerEdge R360; PowerEdge R660; PowerEdge R760; PowerEdge R7725; PowerEdge T560. Verify the exact generation and storage path. Select any controller, cage, cooling and cable dependencies together rather than treating a family listing as blanket fitment approval.
Questions before you request a quote
Which product does KN40K identify?
It identifies Dell PowerEdge 4 TB SATA 6G 7.2K rpm hard drive, hot-plug. Keep KN40K on the requirement and quote; a family name alone does not fix the ordering configuration.
What compatibility scope is recorded for KN40K?
The recorded scope is PowerEdge R360; PowerEdge R660; PowerEdge R760; PowerEdge R7725; PowerEdge T560. Confirm the exact machine generation and configuration in the manufacturer guide; this is not a blanket compatibility promise.
What should I check before ordering KN40K?
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 KN40K, 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 KN40K product listing · Browse Dell drives · 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.