This article covers WD Red Plus 2TB NAS 3.5インチ 内蔵ハードドライブ.

Overview

The WD Red Plus 2TB (model WD29EFPX) is an internal hard drive specifically tuned for NAS environments by Western Digital. It features a 3.5-inch form factor, SATA 6Gb/s interface, 5400 RPM class spindle speed, 64MB cache, and CMR (Conventional Magnetic Recording) technology. Designed for 24/7 operation, it incorporates NASware technology to optimize drive parameters for NAS workloads, ensuring reliable performance in multi-drive setups. This drive is suitable for home users and small businesses seeking a cost-effective, dependable storage solution for their NAS systems. As an entry-to-mid-range NAS HDD, the WD Red Plus balances capacity, power efficiency, and reliability. It is widely compatible with major NAS enclosures from Synology, QNAP, and other brands.

Compatibility Guide

The WD Red Plus 2TB follows the standard 3.5-inch internal HDD form factor and connects via a SATA 6Gb/s interface. It works with virtually any NAS enclosure or desktop PC that has a free SATA port and a SATA power connector. The drive is designed for RAID arrays and has been tested for compatibility with a broad range of NAS systems. Power consumption is minimal: idle at approximately 3W and active at around 4.5W. When building a RAID array, ensure your NAS power supply can handle the combined load of all drives. The drive supports hot-swap in compatible enclosures.

Product Info

The WD Red Plus 2TB (WD29EFPX) was introduced in 2024 and carries a 3-year limited warranty. It is positioned as an entry-to-mid-range NAS HDD, offering enhanced reliability features compared to standard desktop drives. The drive is available through major retailers including and electronics stores. Market positioning: It stands as a trusted choice for home and SMB NAS users, with verified compatibility from leading NAS vendors. The price is around ¥50,000?55,000 JPY, which reflects the added NAS-optimized firmware and 24/7 reliability.

Best Use Cases

  • Home NAS backup: Ideal for storing photos, videos, and documents in a RAID1 or RAID5 configuration. The CMR technology ensures consistent write performance even during parity calculations. - Small office file server: Reliable for shared business data with multiple concurrent users. NASware optimizes drive behavior for mixed workloads, reducing latency. - Energy-conscious builds: The 5400 RPM design keeps power draw and noise low, making it suitable for always-on systems where quiet operation is desired.

Things to Consider

With only 2TB capacity, this drive may fill quickly if you manage large media libraries or frequent backups. Consider higher-capacity models (4TB or more) if your storage needs grow. Sequential transfer speeds are moderate (around 150–180 MB/s) due to the 5400 RPM speed; for heavy file transfers or video editing storage, a 7200 RPM drive or SSD would perform better. Competitors include Seagate IronWolf and Toshiba N300 series. Compare warranty periods, price per terabyte, and compatibility with your specific NAS model before purchasing. Avoid using this drive for OS or application workloads where random I/O performance matters?it excels as pure data storage. Also, note that this is a mechanical HDD; it produces some audible seek noise and vibration, especially in multi-drive enclosures.