This article covers 【限定】Seagate SkyHawk 3.5インチ 【データ復旧 3年付】 4TB 内蔵 ハードディスク HDD CMR 3年保証 6Gb.

Overview

Seagate's SkyHawk ST4000VX016 is a 3.5-inch surveillance hard drive engineered for 24/7 continuous recording environments. With a 4TB capacity, SATA 6Gb/s interface, 5400RPM spindle speed, and 256MB cache, it relies on CMR (Conventional Magnetic Recording) for stable write performance. The built-in ImagePerfect firmware minimizes frame loss, making it a solid choice for DVRs and NVRs that must never drop a frame. This SKU also bundles Seagate's Rescue data recovery service for three years, adding peace of mind above the standard five-year warranty. Positioned in the mid-range surveillance storage segment, the SkyHawk ST4000VX016 competes directly with WD Purple drives. It supports up to 16 drives in a system and up to 64 cameras, with included rotational vibration sensors to maintain performance in multi‑drive arrays. For home users or small businesses building a dedicated camera setup, this drive hits the sweet spot between cost and reliability.

Compatibility Guide

The drive uses the standard 3.5-inch form factor and SATA III (6Gb/s) interface. It fits into any desktop PC case with a 3.5-inch bay, most NAS enclosures, and modern DVR/NVR units. SATA II (3Gb/s) ports are backward‑compatible. Power is drawn from a standard SATA power connector, with idle consumption around 3W and active load under 5.5W, so no special power supply considerations are needed. If you plan to use it in a PC as a secondary storage drive, ensure your motherboard has a free SATA port and that your power supply has an available SATA power cable. The 5400RPM speed means sequential transfers peak at roughly 200MB/s, adequate for media libraries and backups, but not for booting an operating system.

Product Info

Released in 2024, this model is widely available through at around ¥49,400. The package includes a five-year limited warranty and a three-year Rescue data recovery service subscription. The drive employs CMR recording, a 256MB cache, and an RV sensor for multi‑drive stability. Its maximum power draw is only 5.5W, placing it among the most power‑efficient 4TB HDDs on the market. The market positioning is firmly mid‑range surveillance: it offers better vibration tolerance than entry‑level drives without the extra cost of enterprise‑class models.

Best Use Cases

Home Security System Builder: If you're setting up a 4‑to‑8 camera NVR for round‑the‑clock recording, the SkyHawk's dedicated firmware ensures no frame drops. You can run this drive in a single‑drive recorder without worry. Not ideal for occasional‑use PC backup where a cheaper 5400RPM desktop drive would suffice. Small Business / Retail Store Owner: With support for up to 64 cameras and 16 drives, this HDD scales well. The RV sensor keeps performance consistent when multiple drives vibrate in a chassis. Avoid using it for general file serving; a NAS‑optimized IronWolf drive would serve that purpose better. * User Concerned About Data Recovery: The included three‑year Rescue service is a genuine safety net. If the drive fails, Seagate attempts to recover your footage. Note that TV recording data is excluded from the service. If you never need recovery, you might prefer a lower‑priced surveillance drive without this bundle. ## Alternatives
Western Digital's Purple WD43PURZ is the closest competitor, also 4TB CMR surveillance. The WD drive has a smaller 64MB cache and lacks an RV sensor, so in multi‑drive setups the SkyHawk has a clear advantage. On the other hand, the WD Purple is often a bit cheaper, making it a better pick for single‑drive recorders where vibration isn't a concern. Seagate's own IronWolf ST4000VN006 is a NAS drive with similar specs but optimized for multi‑user random access. If you need both surveillance recording and file sharing, the IronWolf might be more versatile, but it lacks the surveillance‑specific frame‑loss protection and bundled data recovery.

Things to Consider

With a 5400RPM spindle, this drive's sequential speed (~200MB/s) is far below any modern SSD. Do not use it as a boot/OS drive. The 3.5-inch form factor also means it won't fit in many slim or mini PCs without an adapter. The price point, around ¥49,000, is high compared to a 1TB SATA SSD, which offers much faster access times at a similar cost. For pure archiving of rarely accessed files, a larger consumer drive (like BarraCuda) may be more cost‑effective. Also, the Rescue service is only valid for products purchased from authorized Japanese sellers; verify the purchase source if buying outside . ## FAQ Q: Can I use this drive in a NAS? A: Yes, but it's optimized for sequential writes rather than random reads/writes. For a multi‑user NAS, a dedicated NAS drive like IronWolf is recommended for better performance in RAID and shared access scenarios. Q: How do I activate the Rescue data recovery service? A: After purchase, register the drive on Seagate's website to activate

Product Disclosure (Amazon)

  • Manufacturer: シーゲイト(SEAGATE)
  • ASIN: B0DW43NN35
  • Note: This article covers a manufacturer-made product based on Amazon listing details.