Seagate

Seagate ST900MM0018 900GB 10K SAS Enterprise HDD

Seagate's 10K RPM enterprise SAS drive delivers 900GB of fast, reliable storage for mission-critical server and storage array workloads.

$135.00*
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*Price sourced from Amazon.com. Last updated:Sep 04, 2026.Price and availability are subject to change — details.

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Overview

The Seagate Enterprise Performance 10K HDD v8 (ST900MM0018) is purpose-built for data center and enterprise server environments where fast, reliable storage is essential. Spinning at 10,000 RPM with a 128MB cache and a SAS 12Gb/s dual-port interface, this drive is optimized for transactional workloads that demand rapid random read and write performance. Its 2.5-inch small form factor makes it ideal for high-density server and storage array deployments where rack space is at a premium.

With 900GB of capacity and 512e sector emulation, the ST900MM0018 balances performance and compatibility for organizations running mixed or legacy operating system environments. The SAS interface provides full-duplex data transfer and multipath I/O capability, supporting high-availability configurations common in enterprise storage. While solid-state drives have taken over many performance-critical roles, this 10K RPM HDD remains a cost-effective choice for environments that need faster-than-7.2K mechanical storage without the higher per-gigabyte cost of SSDs.

Key Features

HIGH CAPACITY - 900GB of data and small 2.5-inch footprint enables data centers to keep pace with data growth and optimize data center real estate

HIGH PERFORMANCE - Delivers 900gb of high-performance data access for write-intensive applications

FUTURE PROOF - Long term storage solution with advanced format interface of 512e Emulation

FAST INTERFACE - Latest 12Gb/s SAS interface for improved scalability and speed

SEAGATE SECURE - Drive models (AES-256) help cut IT drive retirement costs while helping securely protect data where it lives on the drive

Specifications

Capacity
900GB
Spindle Speed
10,000 RPM
Interface
SAS 12Gb/s
Cache
128MB
Form Factor
2.5" SFF
Sector Size
512e

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Frequently Asked Questions

This drive uses a SAS 12Gb/s interface and is not compatible with standard SATA controllers. It requires a SAS host bus adapter or a server/storage system with SAS backplane support.
It is a 2.5-inch small form factor (SFF) drive, designed to fit enterprise server drive bays and storage enclosures.
512e (512-byte emulation) means the drive uses 4K-byte physical sectors internally but presents them as 512-byte logical sectors for compatibility with legacy operating systems and applications.
It is engineered for demanding enterprise workloads such as database servers, transaction processing, virtualization hosts, and high-performance storage arrays that require fast random I/O.