Seagate ST400FM0012 400GB SATA 6Gb/s Enterprise SSD

Name: Seagate ST400FM0012 400GB SATA 6Gb/s Enterprise SSD
Brand: Seagate
SKU: ST400FM0012

Overview

The Seagate ST400FM0012, part of the Pulsar.2 enterprise SSD family, delivers 400GB of solid-state storage over a SATA 6Gb/s interface in a standard 2.5-inch form factor. Built for data center and enterprise environments, it is designed to handle sustained workloads with the endurance and data integrity that server and storage administrators require. Unlike consumer SSDs that may throttle under continuous load, the Pulsar.2 maintains consistent performance during the prolonged read and mixed I/O patterns typical of database, virtualization, and web-serving applications.

The SATA 6Gb/s interface makes it a drop-in upgrade for any server or storage array with standard SATA bays, requiring no special host bus adapters or driver changes. While its capacity and interface speed are modest by current standards—modern enterprise environments increasingly favor NVMe drives with multi-terabyte capacities—the ST400FM0012 remains a reliable option for organizations maintaining legacy infrastructure or needing exact replacements in existing deployments where SATA compatibility is a requirement.

Key Features

Best-in-class MLC endurance (up to 10 full drive writes per day)

Price-performance and reliability benefits

Ensures data integrity during unexpected power loss and protects against inadvertent data change

Provides the same feature set to look, feel and act like an enterprise hard drive- reducing system complexity and operating costs

SATA 6Gb/s support for interface scalability and reliability

World-class service, support and fulfillment

Specifications

Brand

Seagate

Model

ST400FM0012 (Pulsar.2)

Capacity

400 GB

Interface

SATA 6Gb/s

Form Factor

2.5-Inch

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Pros & Cons

👍 Pros

Enterprise-grade endurance rated for sustained, high-duty-cycle workloads
SATA 6Gb/s interface ensures broad compatibility with existing server and storage infrastructure
Standard 2.5-inch form factor drops into any compatible drive bay without adapters
Designed with data integrity features critical for enterprise applications

👎 Cons

400GB capacity is limited compared to modern enterprise SSDs offering multiple terabytes
SATA 6Gb/s interface is significantly slower than NVMe alternatives available today
Older Pulsar.2 platform may lack power-loss protection and firmware features found in current-generation enterprise SSDs
Limited availability as a legacy product, which can make sourcing replacements difficult

Frequently Asked Questions

What interface does the ST400FM0012 use?

It uses a SATA 6Gb/s (SATA III) interface, making it compatible with any server or workstation that accepts standard SATA drives.

Is this SSD designed for consumer or enterprise use?

This is an enterprise-class SSD (Seagate Pulsar.2 series) engineered for data center and enterprise workloads that demand high endurance, consistent performance, and data integrity over extended duty cycles.

Will this drive fit in a standard 2.5-inch drive bay?

Yes. It uses a standard 2.5-inch form factor, so it fits directly into server drive caddies and laptop-style bays without adapters.

What kind of workloads is this SSD best suited for?

It is optimized for enterprise read-intensive and mixed workloads such as database serving, virtualization, web hosting, and boot/log storage where reliability and sustained throughput matter more than raw capacity.