
Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Dell RT491 146GB 3Gb/s SAS 15000 3.5-inch 16MB Hard Drive
- Capacity: 146GB
- Interface: SAS (Serial Attached SCSI)
- Data Transfer Rate: 3Gb/s
- Rotational Speed: 15000 RPM
- Form Factor: 3.5-inch
- Buffer Size: 16MB
- Application: High-performance servers, SANs, mission-critical storage
- Reliability: Enterprise-grade for 24/7 operation
RT491 isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Capacity
- 146GB
- Interface
- SAS
- Data Transfer Rate
- 3 Gb/s
- Rotational Speed
- 15000 RPM
- Form Factor
- 3.5-inch
- Buffer Size
- 16MB
Product details
The Dell RT491 is a 146GB SAS hard drive designed for high-performance enterprise storage. It operates at 15000 RPM and features a 3Gb/s SAS interface, along with a 16MB buffer, making it suitable for demanding server and SAN applications requiring maximum speed and reliability.
Technical Information
| Capacity | 146GB |
| Interface | SAS |
| Data Transfer Rate | 3 Gb/s |
| Rotational Speed | 15000 RPM |
Additional Specifications
| Form Factor | 3.5-inch |
| Buffer Size | 16MB |
| Brand | Dell |
Description
The Dell RT491 is a high-performance enterprise hard drive with a 146GB capacity, designed for mission-critical applications that demand the utmost in speed and reliability. It utilizes the Serial Attached SCSI (SAS) interface, operating at 3Gb/s, which provides a robust and efficient connection for server and storage environments. SAS is favored in enterprise settings for its performance, scalability, and reliability features compared to SATA. This drive boasts an impressive rotational speed of 15000 RPM, making it one of the fastest mechanical hard drives available. This high speed translates to exceptionally low seek times and rapid data access, which is crucial for I/O-intensive workloads such as high-frequency trading platforms, large databases, and real-time analytics. The 3.5-inch form factor is standard for enterprise drives, offering a balance of physical size and storage density. The inclusion of a 16MB buffer enhances performance by providing a larger cache for data operations. Designed for continuous operation (24/7) in demanding data center environments, the RT491 is built for durability and consistent performance. Its combination of 15000 RPM speed, 3Gb/s SAS interface, and enterprise-grade construction makes it an excellent choice for applications where performance is paramount and downtime is unacceptable. While its capacity is relatively small by modern standards, its speed makes it suitable for high-performance tiers of storage, boot drives, or specialized applications requiring rapid data retrieval.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for RT491.
