Seagate Exos X18 18TB Enterprise HDD 3.5 7.2K SATA 6Gb/s (SATA III)

Seagate® Exos® X18 18TB Enterprise HDD

Model Number: ST18000NM000J

Series: Exos X18 Enterprise

Interface: SATA 6Gb/s (SATA III)

Form Factor: 3.5-inch

Recording Technology: Conventional Magnetic Recording (CMR)

Executive Overview & Key Features

• Hyperscale Efficiency: Designed for maximum storage capacity and highest rack space efficiency in large-scale data centers.

• Helium Sealed-Drive Technology: Built with side-sealing weld technology for low power consumption, reduced drive weight, and long-term leak protection.

• FastFormat™ (512e / 4Kn): Ships in standard 512e format and can be reformatted to 4Kn on-demand for optimized cluster performance.

• Power Management: Integrated PowerChoice™ and PowerBalance™ features for tailored power savings and optimized Watts-per-TB performance.

• Enterprise Reliability: Designed for 24×7 multi-drive environments with a 2.5 million hour MTBF rating and a 5-year limited warranty.

Specifications Table

Power & Thermal Specifications

• Idle Power (Average): 5.3 W

• Max Operating Power (Random R/W 4K/16Q): 9.4 W / 6.4 W

• Power Supply Requirements: +12V and +5V

• Operating Temperature: 5°C to 60°C

• Non-Operating Vibration (2 Hz to 500 Hz): 2.27 Grms

• Operating Shock (2ms Read/Write): 50 Gs

• Non-Operating Shock (2ms): 200 Gs

Physical Dimensions & Weight

• Height: 26.11 mm (1.028 in)

• Width: 101.85 mm (4.010 in)

• Depth: 147.00 mm (5.787 in)

• Weight: 670 g (1.477 lb)