Seagate 20TB Exos X20 7200 rpm SATA III 6 Gb/s 3.5" Internal HDD (OEM) Review
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Our editorial take on the Seagate 20TB Exos X20 7200 rpm SATA III 6 Gb/s 3.5" Internal HDD (OEM)
The Seagate 20TB Exos X20 is an internal hard drive designed for high-capacity, always-on data storage needs. With a 7200 rpm spindle speed, SATA III 6 Gb/s interface, and 256MB cache, it offers a maximum transfer rate of 285 MB/s for both read and write operations. The drive's specifications, including a 2.5 million hour MTBF and 550 TB endurance rating, indicate a focus on reliability for demanding applications.
Its 20TB capacity positions it as a solution for environments requiring significant storage density, particularly in settings that benefit from its 24/7 operational design. While it lacks encryption support, its performance metrics and robust endurance profile make it a contender for use in server arrays, data centers, or persistent storage systems where data volume and uptime are critical.
Users seeking a high-capacity, durable internal HDD for continuous operation should consider the Exos X20. Its performance and reliability metrics are geared towards professional storage needs rather than consumer-grade applications.
- High storage capacity at 20TB
- Designed for 24/7 operation with 2.5 million hours MTBF
- Fast 7200 rpm spindle speed
- Offers strong maximum read and write speeds of 285 MB/s
- High endurance rating of 550 TB TBW
- No encryption support
- Higher power draw compared to lower-performance drives (9.4 W active)
- Relatively heavy at 1.48 lb (670g)
Synthesized by Geared editors from early expert reviews.
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About this product
The Seagate 20TB Exos X20 is a high-performance, large-capacity internal HDD designed for demanding data storage applications requiring 24/7 operation. It features a SATA III 6 Gb/s interface, 7200 rpm, and a 256MB cache, offering data transfer rates up to 285 MB/s.
Specs
- Cache
- 256MB
- Weight
- 1.48 lb / 670 g
- Dimensions
- 5.8 x 4.01 x 1" / 147 x 101.85 x 26.1 mm
- Drive Type
- SATA III / 3.5" HDD (7200 rpm)
- Power Draw
- 5.4 W (Idle) 9.4 W (Active)
- Read Speed
- Maximum: 285 MB/s
- Input Power
- 5 to 12 VDC
- Write Speed
- Maximum: 285 MB/s
- Operating Shock
- 40 G / 2.0 ms
- Encryption Support
- No
- Storage Conditions
- -40 to 158°F / -40 to 70°C at 5 to 95% Humidity
- Operating Conditions
- 41 to 140°F / 5 to 60°C at 5 to 95% Humidity
- Total Installed Storage
- 20 TB
- Endurance (Total Bytes Written)
- 550 TB
- Mean Time Between Failures (MTBF)
- 2.5 Million Hours
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