WD Red Pro 3.5" 20TB, 7200 RPM, 512MB, 550 WRL, SATA III Hard Drive for NAS

The WD Red Pro WD202KFGX is a 3.5-inch internal hard drive designed for high-intensity workloads in commercial and enterprise NAS environments. With a 20 TB capacity, it offers substantial storage for multi-user systems that require continuous, 24/7 operation. The drive is engineered for long-term reliability, featuring a Mean Time Between Failures (MTBF) of 2.5 million hours and a workload rate limit of 550 TB per year. Its construction is suited for systems where data integrity and accessibility are primary requirements.

Performance is delivered through a 7200 RPM spindle speed and a 512 MB cache, which facilitate efficient data retrieval and storage operations. The drive connects via a SATA interface supporting transfer rates of up to 6 Gbit/s. To maintain stability in multi-bay enclosures, it is equipped with Rotational Vibration (RV) sensors that help mitigate the effects of vibration from adjacent drives. The inclusion of S.M.A.R.T. technology allows for proactive monitoring of the drive's operational health.

• 20 TB storage capacity
• 3.5-inch form factor
• SATA interface with 6 Gbit/s transfer rate
• 7200 RPM spindle speed
• 512 MB storage drive buffer size
• Up to 285 MB/s read and write speeds
• 4.17 ms average latency
• 2.5 million hours Mean Time Between Failures (MTBF)
• 550 TB/year workload rate limit
• Includes Rotational Vibration (RV) sensors
• Supports 24/7 operation in NAS systems
• 3.6 W idle power consumption
• 20 dB idle noise level
• Dimensions of 101.6 mm x 147 mm x 26.1 mm
• Weighs 690 g