Seagate Exos® X18 16TB Enterprise HDD

Product Overview

Helium Sealed-Drive Design: Delivers lower power consumption, reduced weight, and enhanced drive protection with side-sealing weld technology.
FastFormat™ (512e / 4Kn): Native support for both 512e and 4Kn sector formats for easy integration into existing or legacy data center infrastructure.
PowerBalance™ Technology: Optimizes power consumption relative to performance (Watts/TB) in high-density rack deployments.
PowerChoice™ Technology: Provides configurable idle power management to save energy during non-peak operations.
SuperParity & RSA 3072 Firmware Verification: Ensures data integrity and secure firmware updates.
Digital Environmental Sensors: Monitors internal drive conditions for optimal performance and operational health.

Parameter	Specification
Capacity	16 TB
Interface	SATA 6.0 Gb/s
Spindle Speed	7,200 RPM
Cache Buffer	256 MB
Max Sustained Transfer Rate (OD)	Up to 270 MB/s
Random Read / Write (4K QD16)	170 / 550 IOPS
Average Latency	4.16 ms
Interface Ports	Single SATA Port

Feature	Rating
Mean Time Between Failures (MTBF)	2,500,000 Hours
Annualized Failure Rate (AFR)	0.35% (at full 24×7 operation)
Non-recoverable Read Errors	1 sector per $10^{15}$ bits read
Workload Rating	550 TB/year
Operational Hours	8,760 Hours/Year (24×7 continuous)
Limited Warranty	5 Years

Power Mode	Requirement / Wattage
Input Voltage	+12 V and +5 V
Idle Average	~5.1 W – 5.3 W
Max Operating (Random Read/Write 4K/16Q)	9.4 W / 6.4 W

Property	Value
Height	26.1 mm / 1.028 in
Width	101.85 mm / 4.01 in
Depth	147.00 mm / 5.787 in
Weight	670 g / 1.477 lb
Operating Temperature	5°C to 60°C (41°F to 140°F)
Non-Operating Vibration (2 to 500 Hz)	2.27 Grms
Operating Shock (2 ms)	50 G
Non-Operating Shock (2 ms)	200 G