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Seagate

Seagate ST4000DX005 FireCuda 4TB SATA Gaming HDD

★★★★★4.5 (356 reviews)

A 4TB 7200-RPM gaming hard drive with 256MB cache for fast load times and massive game library storage.

$218.90*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Seagate FireCuda ST4000DX005 is a 3.5-inch internal hard drive that delivers 4TB of storage at 7200 RPM, targeting gamers and power users who need high-capacity storage at a reasonable price. With a 256MB cache and a SATA 6Gb/s interface, it offers up to 255MB/s data transfer rates — placing it among the faster mechanical drives available. For gaming PCs, it serves as an ideal secondary drive alongside a smaller SSD boot drive, housing large game libraries, recordings, and media files that benefit more from capacity than raw speed.

The FireCuda name has been associated with Seagate's performance-oriented consumer storage, and the ST4000DX005 continues that positioning in the HDD space. The 7200-RPM spindle speed provides a meaningful performance advantage over 5400-RPM drives in sequential workloads, while the generous 256MB cache helps maintain responsiveness during bursts of activity. For users who need bulk storage that keeps pace with large file transfers and game installations, this drive strikes a practical balance between capacity, speed, and cost — acknowledging that an SSD will always win on latency and random access, but at a much higher price per terabyte.

Key Features

Build the ultimate Storage Vault with this massive capacity 4TB hard drive

Access data faster with 7200-RPM speeds and a SATA 6Gb/s interface

Achieve new performance heights with a large 256MB cache to load applications and files faster

Obtain maximum sustained transfers at 255MB/s

Worry less with the included 3-year Rescue Data Recovery Services and 5-year limited warranty

Specifications

Capacity
4TB
Interface
SATA 6Gb/s
RPM
7200 RPM
Cache
256MB
Form Factor
3.5 Inch
Data Transfer Rate
255MB/s

Pros & Cons

👍 Pros

  • 4TB capacity provides ample room for large game libraries, media files, and project storage
  • 7200-RPM spindle speed delivers faster read/write performance than 5400-RPM alternatives
  • 256MB cache buffer helps smooth out performance during sustained data transfers
  • Standard SATA 6Gb/s interface ensures broad compatibility with desktop systems
  • Cost-effective high-capacity storage compared to SSDs of similar size

👎 Cons

  • Mechanical hard drive speeds are significantly slower than SSD alternatives for game load times
  • 7200-RPM operation produces more noise and vibration than slower or solid-state drives
  • 3.5-inch form factor limits use to desktops and external enclosures — not usable in laptops
  • Not optimized for NAS or RAID environments where purpose-built drives offer better durability
  • Lacks the integrated flash cache found in earlier FireCuda SSHD models

Frequently Asked Questions

The ST4000DX005 is a traditional 7200-RPM hard drive with a 256MB cache. Earlier FireCuda models were SSHDs with flash cache, but this version relies on its high RPM and large buffer for performance.
It uses a standard SATA 6Gb/s interface and 3.5-inch form factor, making it compatible with desktop PCs, gaming towers, and external enclosures that accept 3.5-inch SATA drives.
Seagate rates the ST4000DX005 at up to 255MB/s data transfer rate, though real-world sequential speeds will depend on the specific workload and system configuration.
While it can physically work in a NAS, the FireCuda line is optimized for desktop and gaming use. Seagate's IronWolf series is specifically designed for NAS environments with features like vibration tolerance and 24/7 operation ratings.
As a 7200-RPM 3.5-inch mechanical drive, it will produce some audible noise during seek operations. It will be noticeably louder than a 5400-RPM drive or an SSD, which is typical for high-performance HDDs.

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