Seagate Exos X24 16TB Enterprise Hard Drive (ST16000NM002H) — 3.5-Inch SATA 6Gb/s | 7200 RPM | 512MB Cache | Helium CMR | 285MB/s | 2.5M Hours MTBF | Instant Secure Erase | 512e & 4Kn FastFormat | 5-Year Warranty

This drive suits scale-out storage, enterprise backup and restore, high-capacity RAID arrays, surveillance recording, and distributed file systems such as Hadoop and Ceph. It is a high-capacity, always-on drive for servers and storage systems that need reliable, low-power-per-terabyte capacity.

Helium-sealed design with a side-sealing weld lowers power draw and weight and adds leak protection. Conventional magnetic recording (CMR) gives predictable write performance for RAID and sustained workloads. A 512MB multi-segmented cache and 285MB/s maximum sustained transfer rate (OD) suit large sequential transfers, with 168/550 random read/write IOPS at 4K QD16. The drive is rated at 2.5 million hours MTBF, 0.35% AFR at full 24×7 operation, and fewer than 1 non-recoverable read error per 10^15 bits read. PowerChoice idle power technology and PowerBalance power/performance tuning optimise watts per terabyte. Seagate Secure adds Instant Secure Erase, RSA 3072 firmware verification, and digital environmental sensors for internal condition monitoring. Super Parity improves data integrity, and hot-plug support follows Serial ATA Revision 3.5. FastFormat lets the 512e drive be reformatted to 4Kn (4096-byte sectors) for improved performance with 4K-aligned data, but all data is deleted when switching.

Brand: Seagate
Series: Exos X24
Model: ST16000NM002H
Capacity: 16TB
Form Factor: 3.5-inch (SFF-8301)
Interface: SATA 6Gb/s, single port
Model Type: Standard model with Seagate Instant Secure Erase (ISE)
Recording Technology: CMR (conventional magnetic recording)
Design: Helium-sealed
Spindle Speed: 7200 RPM
Cache: 512MB (multi-segmented)
Max Sustained Transfer Rate (OD): 285MB/s (272MiB/s)
Random Read/Write (4K QD16, WCD): 168/550 IOPS
Sector Size: 512e (ships in 512e) or 4Kn (4096 bytes) via FastFormat
Rotation Vibration (20–1500Hz): 12.5 rad/s²

Reliability:
MTBF: 2,500,000 hours
AFR (24×7): 0.35%
Non-recoverable Read Errors: fewer than 1 in 10^15 bits
Power-On Hours per Year: 8,760

Power:
Idle (average): 6.3W
Max Operating (random read/write 4K QD16): 8.9W read, 7.1W write
Power Supply Requirements: +12V and +5V

Environment:
Operating Temperature: 5°C to 60°C (drive reported)
Shock, Operating (2ms): 40G
Shock, Non-operating (2ms): 200G
Non-operating Vibration (2–500Hz): 2.27 Grms

Physical:
Dimensions (max H × W × D): 26.1 × 101.85 × 147mm
Weight: 685g

Features: PowerChoice, PowerBalance, Super Parity, Hot-plug, RSA 3072 firmware verification, Seagate Instant Secure Erase

Fits 3.5-inch drive bays and requires a SATA 6Gb/s controller or port and +12V and +5V power. It is an enterprise drive intended for servers, storage arrays, and similar systems. Check your system’s drive and backplane compatibility, and for 4Kn use confirm that your controller, OS, and data alignment support it before running FastFormat. Self-encrypting (SED) versions are separate models (ST16000NM001H) and are not this drive.