This article covers Seagate 3.5インチ 内蔵 HDD ハードディスク3TB 2年保証 5.

Overview

The Seagate BarraCuda ST3000DM007/FFP is a 3.5-inch internal hard disk drive offering 3TB of storage capacity. It spins at 5400rpm, prioritizing quiet operation and low power consumption over raw speed. The drive uses a SATA 6Gb/s interface and delivers sequential transfer rates up to 185MB/s, backed by a 256MB cache. As part of Seagate's BarraCuda family, it strikes a solid balance between reliability and affordability, making it a go-to choice for budget-conscious users who need bulk storage.

Compatibility Guide

This drive uses the standard 3.5-inch form factor, fitting into most desktop PC drive bays. It connects via a SATA 6Gb/s interface, compatible with any motherboard that has SATA ports. Power is supplied through a standard SATA 15-pin connector. With an optional external enclosure, it can also be used as an external USB drive. No special drivers are required; it works out of the box with Windows, macOS, and Linux.

Product Info

The Seagate BarraCuda ST3000DM007/FFP has been on the market since around 2020 and remains widely available. Its price hovers around ¥20,800, offering excellent value for a 3TB HDD. The drive comes with a 2-year warranty, and Seagate provides support for authorized reseller units. With 5400rpm spindle speed, 256MB cache, and 185MB/s max transfer rate, it is positioned as an entry-level to mid-range storage solution for users who need large capacity at a low cost.

Best Use Cases

Bulk data storage: Ideal for storing large media libraries, backups, and archives. The low noise and heat make it suitable for always-on systems like NAS or external backup drives. Budget gaming builds: Pair this HDD with a smaller SSD for the OS and frequently played games. Use the HDD for less demanding games and file storage to save money. Home server or NAS: Its low power draw and quiet operation are perfect for multi-drive setups. The low cost per terabyte makes it easy to expand storage capacity. Not recommended for: OS drives, frequently accessed applications, or workloads requiring high random write performance (e.g., databases, torrent seeding). An SSD or a 7200rpm HDD would be better suited.

Things to Consider

The 5400rpm speed means slower sequential access compared to 7200rpm drives or SSDs. This drive uses SMR (Shingled Magnetic Recording) technology, which reduces random write performance. If your workload involves frequent small-file writes, consider a CMR drive instead. Also, while 3TB is generous, larger capacities like 4TB or 6TB may offer better value per gigabyte. Always verify the warranty terms: -purchased units require proof of purchase from for warranty claims. ## FAQ
Q: Can I use this HDD externally with a PS4 or PS5? A: Yes, with a compatible USB enclosure, it works as external storage for both consoles. On PS5, you can store PS4 games and play them directly, but PS5 games require the internal SSD for gameplay. Q: Is this drive SMR or CMR? A: The ST3000DM007 uses SMR (Shingled Magnetic Recording). This means random write performance is lower than CMR drives. It's fine for sequential writes and reads, but not ideal for heavy random write workloads. Q: What are the warranty conditions? A: Seagate provides a 2-year limited warranty. For purchases, you need the order history to claim warranty. Ensure you buy from as the seller to qualify.

Product Disclosure (Amazon)

  • Manufacturer: シーゲイト(SEAGATE)
  • ASIN: B07X93H8MN
  • Note: This article covers a manufacturer-made product based on Amazon listing details.