Storage · Seagate

Seagate Exos X18 18TB

Seagate Exos X18 18TB for local AI desktops and workstations that need low cost bulk storage for datasets and archives.

Seagate Exos X18 18TB is a Enterprise HDD product from Seagate built for desktop and workstation systems that run local AI workloads. It suits model loading, dataset handling and daily creation work where low cost bulk storage for datasets and archives matters in a home lab or office build.

Specifications

Name	Seagate Exos X18 18TB
Brand	Seagate
Category	Storage
Type	Enterprise HDD
Storage	18 TB
Key spec	Interface SATA 6Gb/s
Key spec	Read up to 280 MB/s
Key spec	Workload rate 550 TB per year
Key spec	Form factor 3.5 inch
Key spec	7200 RPM
Best for	LLM inference; model storage; dataset storage
Specs source	Seagate product page
Last verified	2026-11-14