This article covers Seagate 4 TB BarraCuda 3.5インチ内蔵ハードドライブ（5400 RPM.
Overview
The Seagate BarraCuda ST4000DMZ04 is a 4TB 3.5-inch internal hard drive from the well-known BarraCuda series. Operating at 5400 RPM with a 256MB cache, it delivers sequential read speeds up to 190 MB/s. This drive is ideal for bulk data storage, media archives, and backup solutions. It represents an entry-to-mid-range offering that balances capacity and cost, making it a popular choice for desktop storage expansion.
Compatibility Guide
This HDD uses the 3.5-inch form factor, fitting into standard desktop drive bays. It features a SATA 6 Gb/s interface (SATA III) and is backward compatible with SATA II and SATA I ports, though older connections may limit performance. Power is supplied via a standard SATA 15-pin connector. The drive is not suitable for laptops without an external enclosure or adapter.
Product Info
The Seagate BarraCuda ST4000DMZ04 includes Seagate's Rescue Data Recovery Services (subject to regional availability). It comes with a 2-year limited warranty. Market positioning is entry to mid-range, offering high capacity at a low cost per gigabyte. It has been a consistent seller for general-purpose storage needs. Purchase via the link below: View on
Best Use Cases
Bulk media storage: Perfect for photographers, videographers, and home users who need to store large collections of photos, videos, and music. 4TB provides ample space for hundreds of hours of HD video. Backup destination: An affordable solution for regular system backups. HDDs are well-suited for long-term archival storage. * Secondary drive in a desktop: Use a fast SSD for the operating system and applications, and this HDD for games, documents, and other data. While HDD load times are longer, the capacity benefit is significant.
Things to Consider
As a 5400 RPM HDD, random access speeds are much lower than any SSD. Do not use this as a primary OS drive; always pair it with an SSD for system responsiveness. The 3.5-inch size prevents direct installation in laptops; an external enclosure is required. Competing drives include the Seagate IronWolf (designed for NAS) and Western Digital Blue series; the BarraCuda is better suited for general desktop use. For 24/7 NAS operation, the IronWolf series is recommended due to its higher workload rating. ## Specifications | Item | Specification | | --- | --- | | Model Number | ST4000DMZ04 | | Brand | Seagate | | Storage Capacity | 4 TB | | Form Factor | 3.5-inch | | Interface | SATA 6 Gb/s (SATA III) | | Rotational Speed | 5400 RPM | | Cache | 256 MB | | Max Sequential Read | 190 MB/s | | Warranty | 2 years | | Data Recovery Service | Yes |