Dell 3HM74 12TB 7200RPM SAS 12Gb/s 256MB cache 3.5-inch hot-plug hard drive offers high-capacity enterprise storage for PowerEdge servers. Available with 4–6 business days lead time.

3HM74 – Dell 12TB 7200RPM SAS 12Gb/s 256MB Cache Hot-Pluggable 3.5-Inch Hard Drive

The Dell 3HM74 12TB SAS Hard Drive is a high-capacity enterprise storage solution designed for data-intensive environments requiring scalability, reliability, and consistent performance. With a 7,200 RPM spindle speed and SAS 12Gb/s interface, this drive delivers stable throughput and efficient data handling for large-scale storage needs.

Featuring a 256MB cache, it enhances read/write performance and ensures smoother data operations, especially in multi-drive RAID configurations. The 3.5-inch large form factor (LFF) design makes it ideal for high-capacity storage arrays and server deployments.

This drive includes hot-plug support, allowing for easy replacement and maintenance without system downtime—critical for enterprise environments that demand high availability. Built for 24/7 operation, it is well-suited for backup, archival storage, and bulk data applications.

Model Type:

Internal Enterprise HDD — 3.5″ SAS (12Gb/s, 7.2K RPM, 256MB Cache, Hot-Plug)

Category:

Storage — Enterprise SAS Hard Disk Drive (HDD)

Key Features:
12TB Capacity — Massive enterprise storage for data-intensive workloads
7,200 RPM Speed — Reliable performance for nearline applications
SAS 12Gb/s Interface — High-speed enterprise connectivity
256MB Cache — Enhanced data transfer efficiency
3.5-Inch LFF Design — Ideal for high-capacity storage arrays
Hot-Pluggable — Easy maintenance without downtime
Enterprise-Class Reliability — Designed for 24/7 operation
Optimized for RAID & Bulk Storage — Scalable and efficient
Technical Specifications:
Specification Details
Model 3HM74
Capacity 12TB
Drive Type Internal HDD
Interface SAS 12Gb/s
Spindle Speed 7,200 RPM
Cache 256MB
Form Factor 3.5″ LFF
Feature Hot-Pluggable
Workload Type Nearline / Enterprise / Bulk Storage
Compatibility Dell PowerEdge Servers & Storage Systems
Lead Time 4–6 Business Days
Typical Use Cases:
Data center bulk storage
Backup and archival systems
RAID storage arrays
Big data and analytics storage
Cloud infrastructure and object storage