DELL
DELL 400-AQJN 8TB 3.5" SAS 12Gb/s 7200 RPM internal hard drive
8 TB 3.5-inch SAS hard drive spinning at 7200 RPM with a 12 Gb/s interface and hot-swap tray
- PackagingBare Drive
- InterfaceSAS 12Gb/s
- Capacity8TB
- RPM7200 RPM
- Form Factor3.5"
- High-capacity 8 TB storage for large datasets
- 12 Gb/s SAS interface enables fast data transfers
- 7200 RPM spindle speed supports responsive nearline workloads
- 5 inch form factor fits standard drive bays
- Hot-swap tray allows drive replacement without system downtime
Capacity and interface
The Dell 400-AQJN is an 8TB 3.5-inch internal hard drive with a SAS 12Gb/s interface spinning at 7200 RPM. It is built for servers and storage arrays that need high-capacity nearline storage in a hot-swap tray.
SAS throughput ceiling
The 12Gb/s SAS link sets the maximum bus transfer rate, but sustained throughput will be limited by the 7.2K rotational speed and mechanical latency. Workloads demanding consistent low-latency IOPS or sequential speeds beyond the drive’s physical limits will hit this bottleneck.
Hot-swap installation notes
The drive ships as a bare unit designed for hot-swap bays, so no tools are required if the chassis supports 3.5-inch SAS trays. Common issues arise when the backplane or controller does not recognise the Dell part number, or when the SAS connector is not fully seated during a live insertion.
Highlights
- High-capacity 8 TB storage for large datasets
- 12 Gb/s SAS interface enables fast data transfers
- 7200 RPM spindle speed supports responsive nearline workloads
- 5 inch form factor fits standard drive bays
- Hot-swap tray allows drive replacement without system downtime
Specifications
| Brand | Dell |
|---|---|
| Model | 400-AQJN |
| Packaging | Bare Drive |
| Interface | SAS 12Gb/s |
| Capacity | 8TB |
| RPM | 7200 RPM |
| Form Factor | 3.5" |
Questions about this item
Should I choose the 8TB 7200 RPM version or a lower-capacity model?
The 8TB 7200 RPM drive gives the maximum capacity and spindle speed in this part number; a smaller model would reduce both storage space and sustained throughput.
What does the 12Gb/s SAS rating deliver in a live server?
The 12Gb/s SAS interface supports up to 12 gigabits per second of host bandwidth, so real-world throughput is limited by the 7200 RPM mechanics and the controller, not the link.
Which SAS standard does the 400-AQJN use and what speed ceiling does it impose?
It uses 12Gb/s SAS, capping the host link at 12 gigabits per second while the 7200 RPM platters determine actual sustained transfer rates.
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