# Hard Drive IBM 1.2TB SAS 12Gbps 2.5" 01EJ721-RFB

**URL:** https://aio.lv/en/product--ibm-01ej721-rfb--11107675
**Data updated:** 2026-01-12 19:33 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** IBM
**Manufacturer code:** 01EJ721-RFB
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Enterprise-class 2.5" hard drive IBM 1.2TB SAS 12Gbps (model 01EJ721-RFB) offers 1.2 terabytes of storage over a 12 Gbps Serial Attached SCSI interface. Designed for server and storage systems, it supports high-throughput workloads and reliable data access. Suitable for database, virtualization and backup use, it provides compatibility with SAS controllers and standard 2.5" drive bays.

## Long description

IBM 1.2TB SAS 12Gbps 2.5" 01EJ721-RFB is an enterprise-class 2.5-inch hard drive that provides 1.2 terabytes of storage capacity over a 12 Gbps Serial Attached SCSI (SAS) interface. Designed for deployment in server and storage systems, this IBM drive delivers compatible connectivity with SAS controllers and standard 2.5" drive bays. The model 01EJ721-RFB is intended for environments that require sustained data throughput and reliable access for demanding workloads such as databases, virtualization and backup systems.
Advantages
The IBM 1.2TB SAS 12Gbps 2.5" 01EJ721-RFB combines a compact 2.5" form factor with a high-speed 12 Gbps SAS interface to support high-throughput operations in enterprise storage arrays. Its 1.2 TB capacity balances density and performance for mixed workload environments. As an IBM-branded drive with the specified MPN 01EJ721-RFB, it offers compatibility with common server platforms and SAS backplanes while maintaining enterprise-level reliability characteristics expected from SAS devices.
Suitable for (tasks / use cases)
 Database servers requiring consistent read/write throughput
 Virtualization hosts and hyper-converged infrastructure
 Backup and archival systems within enterprise storage arrays
 SAS-capable SAN/NAS enclosures and server drive bays (2.5" form factor)
 High-density storage deployments where 2.5" drives are used
Key specifications
 Brand: IBM
 Model / MPN: 01EJ721-RFB
 Capacity: 1.2 TB
 Interface: SAS 12 Gbps
 Form factor: 2.5"
How to use
Install the IBM 1.2TB SAS 12Gbps 2.5" 01EJ721-RFB into a compatible 2.5" drive bay or SAS backplane following the server or storage system manufacturer's instructions. Ensure the system is powered down or that hot-swap procedures are observed if supported. Connect to a SAS controller or HBA that supports 12 Gbps SAS to achieve optimal transfer rates. After physical installation, initialize and format the drive within the operating system or storage controller, configure RAID or logical volumes as required, and monitor SMART or storage-management telemetry per your infrastructure policies.
Usage recommendations
Use this IBM 1.2TB SAS 12Gbps 2.5" 01EJ721-RFB in arrays and servers that support SAS 12 Gbps and the 2.5" form factor. For critical production workloads, deploy appropriate RAID levels, maintain firmware updates provided by the system vendor, and follow standard backup and monitoring practices to ensure data integrity and drive longevity.

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### What is the warranty period?

All IBM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized IBM service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

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