This article covers Western Digital ウエスタンデジタル 内蔵SSD 1TB WD Blue SN570 (読取り最大 3.

Overview

The Western Digital WD Blue SN570 is a PCIe Gen3×4 NVMe SSD in the M.2-2280 form factor, offering sequential read speeds up to 3,500MB/s and write speeds up to 3,000MB/s. It's designed as a practical, cost-effective storage solution for everyday computing.
This drive targets users who want a noticeable speed boost over SATA SSDs or HDDs without paying a premium for Gen4 performance. The DRAM-less design is compensated by Host Memory Buffer (HMB) technology, which leverages system RAM for metadata caching, delivering solid random performance in real-world scenarios.
Positioned in the entry-to-mid-range segment, the SN570 competes directly with the Crucial P3 and Samsung 980. It's an excellent choice for office work, light creative tasks, and gaming where load times matter but peak sequential throughput isn't critical.

Compatibility Guide

The WD Blue SN570 uses the standard M.2-2280 form factor and requires a PCIe Gen3×4 (or higher) M.2 slot with NVMe support.

  • Interface: M.2 PCIe Gen3×4 (NVMe 1.4)
  • Form factor: M.2 2280 (22mm wide, 80mm long)
  • Compatible with: Desktop PCs and laptops with an M.2 NVMe slot
  • Note: Will not work in SATA-only M.2 slots. Some older motherboards may require a BIOS update for NVMe boot support.
    Real-world pairing: Works seamlessly with Intel 10th-gen and newer, AMD Ryzen 3000-series and newer platforms. For laptops, check that the M.2 slot supports NVMe (not just SATA).

Product Info

Released in 2021, the WD Blue SN570 remains widely available through major retailers. It comes with a 5-year warranty and a 600TBW endurance rating for the 1TB model, which translates to roughly 1.6 years of daily 1TB writes — more than enough for typical consumer use.
Market positioning: Entry-to-mid-range. It offers standard Gen3 NVMe performance at a competitive price point, balancing cost savings from DRAM-less design with HMB-assisted real-world responsiveness.

Best Use Cases

  • Everyday PC upgrades from SATA or HDD
    Ideal for users who want faster boot times and snappier application loading without breaking the bank. Office work, web browsing, and media consumption benefit greatly from the jump to NVMe.
  • Budget-conscious gamers
    Game load times improve noticeably over SATA SSDs, especially in open-world titles with frequent loading screens. However, if you play DirectStorage-optimized games, a Gen4 drive would be a better long-term investment.
  • Secondary storage or file server drives
    Low power consumption and heat output make the SN570 suitable for always-on systems. HMB ensures decent random performance for file serving and backup tasks.

Things to Consider

The DRAM-less design means sustained random write performance can drop under heavy workloads like database operations or 4K video editing. For such tasks, a DRAM-equipped Gen3 SSD (e.g., Samsung 970 EVO Plus) would perform better.
Since it's a Gen3 drive, installing it in a Gen4 slot caps speeds at Gen3 levels. If you plan to upgrade to a Gen4 platform soon, consider spending a bit more on a Gen4 SSD now to avoid buying twice.
Price competition from entry-level Gen4 SSDs has narrowed the gap. If the price difference is under $10-15, a Gen4 model like the WD Black SN770 may offer better future-proofing.

FAQ

Q: Can I use the WD Blue SN570 in a PS5?
A: No. The PS5 requires a PCIe Gen4 SSD for its internal expansion slot. The SN570 is Gen3 and will not be recognized. Use a Gen4 drive like the WD Black SN850X instead.
Q: Does it run hot? Do I need a heatsink?
A: Heat output is modest for a Gen3 SSD. In most desktop builds, the motherboard's built-in M.2 heatsink is sufficient. For laptops or tight enclosures, a thin thermal pad is recommended but not mandatory.
Q: Does Western Digital provide cloning software?
A: Yes. Western Digital offers a free download of Acronis True Image for Western Digital, which allows you to clone your existing drive to the SN570 easily.

Product Disclosure (Amazon)

  • Manufacturer: ウエスタンデジタル(Western Digital)
  • ASIN: B09JGB6GWG
  • Note: This article covers a manufacturer-made product based on Amazon listing details.