| Brand | Dell |
|---|---|
| Category | Dell Server Hard Drives |
| Part number | 400-AOTY |
| Capacity | 4TB |
| Interface | SAS 3.5 Inch |
| Spindle speed (RPM) | 7200 |
| Data transfer rate | 12Gbps |
| Form factor | 3.5 Inch |
| Hot swap | Yes |
| Best for | Dell Server |
The Dell 400-AOTY 4TB 7.2K RPM 3.5-inch SAS 12Gbps Hard Drive is a high-capacity enterprise storage solution designed for Dell PowerEdge servers and business-critical storage environments. Built to deliver dependable performance and long-term reliability, this nearline SAS drive is ideal for data centers, virtualization, backup systems, cloud storage, and expanding enterprise infrastructures.
With a 7,200 RPM spindle speed and a high-performance 12Gbps SAS interface, the Dell 400-AOTY provides fast and stable data access for demanding workloads. The 3.5-inch large form factor (LFF) design supports hot-swappable installation, enabling easy maintenance and drive replacement without system downtime. Enterprise SAS technology also offers enhanced reliability, improved error handling, and dual-port connectivity compared to standard SATA drives.
Key Features
- 4TB enterprise-class storage capacity
- 7,200 RPM spindle speed for reliable performance
- SAS 12Gbps interface for high-speed data transfer
- 3.5-inch Large Form Factor (LFF)
- Hot-swappable drive design
- Compatible with Dell PowerEdge servers and storage arrays
- Ideal for RAID configurations, virtualization, and backup storage
- Designed for continuous 24/7 enterprise operation
Specifications
- Manufacturer: Dell
- Dell Part Number: 400-AOTY
- Capacity: 4TB
- Interface: SAS 12Gbps
- Form Factor: 3.5-inch LFF
- Spindle Speed: 7,200 RPM
- Drive Type: Enterprise Nearline SAS Hard Drive
- Hot Swap Support: Yes
The Dell 400-AOTY 4TB SAS hard drive offers the perfect combination of enterprise reliability, scalable storage capacity, and Dell-certified compatibility, making it an excellent solution for modern server and storage deployments.
G12 – 12th Generation
R320, R420, R520, R720, R720xd, T320, T420, T620
G13 – 13th Generation
R230, R330, R430, R530, R730, R730xd, T330, T430, T630
G14 – 14th Generation
R340, R440, R540, R740, R740xd, R740xd2, T340, T440, T640
G15 – 15th Generation
R350, R450, R550, R650xs, R750, R750xs, T350, T550
G16 – 16th Generation
R360, R460, R560, R760, R760xs, T360, T560
Compatible with select Dell PowerEdge G12 and G13 servers equipped with 3.5-inch LFF SAS drive bays. Supplied with a G12/G13 hot-swap caddy. The bare hard drive may also be compatible with select G14, G15, and G16 servers when installed in the appropriate generation-specific 3.5-inch hot-swap carrier.
Important: The included G12/G13 caddy is not guaranteed to fit G14–G16 servers. Installation in newer generations may require replacing the carrier. Drive compatibility also depends on SAS controller, backplane, firmware, sector format, and supported capacity. Confirm compatibility before purchasing.