Dell 4TB 7.2K 12G 3.5 Inch SAS HDD W5M2R-RFB

The Dell 4TB 7.2K 12G 3.5 Inch SAS HDD W5M2R-RFB is a 3.5-inch enterprise-class hard disk drive designed for servers and data center storage arrays. With a 4TB capacity, 7,200 RPM rotational speed and 12 Gbps SAS interface, this Dell W5M2R-RFB drive provides predictable performance and high-capacity block storage suitable for mixed workloads. The drive's 3.5-inch form factor and SAS connectivity make it compatible with many rack-mounted and tower server platforms that accept 12G SAS drives.

Advantages

The Dell 4TB 7.2K 12G 3.5 Inch SAS HDD offers a balance of capacity and sustained performance for large datasets and virtualized environments. The 12G SAS interface supports higher throughput and improved link efficiency compared with earlier SAS generations. The 7,200 RPM spindle speed helps deliver consistent random and sequential I/O for typical server tasks while the 4TB capacity reduces the number of drives needed for bulk storage. The drive is identified by manufacturer part number W5M2R-RFB and is intended for enterprise deployments where reliability and compatibility with Dell server platforms are required.

Suitable for

• Server storage in rack-mounted and tower servers that support 3.5-inch 12G SAS drives
• Data center bulk storage and capacity tiers
• Virtualization hosts and hyperconverged infrastructure requiring high-capacity block storage
• Backup repositories and archival systems with sequential write workloads

Key specifications

• Brand: Dell
• Model / MPN: W5M2R-RFB
• Capacity: 4TB
• Form factor: 3.5 inch
• Interface: 12 Gbps SAS
• Rotational speed: 7,200 RPM

How to use

Install the Dell 4TB 7.2K 12G 3.5 Inch SAS HDD into a compatible server or storage enclosure following the host vendor's hardware installation guidelines. Ensure the server backplane or HBA supports 12G SAS and that firmware and driver versions are up to date for optimal compatibility. Configure RAID or logical volumes according to your storage design, initialize and format drives at the operating system level, and integrate the drive into monitoring and backup procedures. Observe ESD precautions and power down equipment when performing physical installation unless hot-swap capability is explicitly supported and the procedure is documented by the system vendor.

Usage recommendations

For best results in enterprise deployments, use this Dell 4TB 7.2K 12G 3.5 Inch SAS HDD in arrays with matched drive models and capacities, maintain regular firmware updates and SMART monitoring, and place the drive in appropriate performance tiers (capacity or bulk storage) rather than I/O-intensive caching tiers.