Seagate Exos X18 18TB HDD
Brand: Seagate | Category: Enterprise HDDs
SKU: SEA-X18-18TB | Part #: ST18000NM001G | MPN: ST18000NM001G
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About the Seagate Exos X18 18TB HDD
The Seagate Exos X18 18TB HDD from Seagate is enterprise-grade Enterprise HDDs hardware built for data centers. It features 18TB capacity, 3.5" form factor, SATA 6Gb/s interface, 7,200 RPM speed. The Seagate Exos X18 18TB HDD (ST18000NM001G) is a high-capacity, enterprise-class hard disk drive engineered for demanding data center environments. Built on a 9-disk helium-sealed platform with conventional magnetic recording (CMR), it delivers a sustained transfer rate of up to 270 MB/s and a 7200 RPM spindle speed, making it one of the most performant high-capacity SATA drives in Seagate's Exos lineup. The drive incorporates PowerChoice and PowerBalance technologies to op Available in brand new condition. Seagate enterprise hdds products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Seagate |
| Category | Enterprise HDDs |
| SKU | SEA-X18-18TB |
| Part Number | ST18000NM001G |
| Condition | New |
| Capacity | 18TB |
| Form Factor | 3.5" |
| Interface | SATA 6Gb/s |
| Speed | 7,200 RPM |
| Manufacturer Part Number | ST18000NM001G |
| Series | Exos X18 |
| Capacity | 18 TB |
| Form Factor | 3.5-inch |
| Interface | SATA III 6 Gb/s |
| Recording Technology | Conventional Magnetic Recording (CMR) |
| Spindle Speed | 7200 RPM |
| Cache Buffer | 256 MB |
| Sustained Transfer Rate (OD) | Up to 270 MB/s |
| Sector Size | 512e / 4Kn |
| Disk Platters | 9 |
| Internal Atmosphere | Helium-sealed |
| MTBF | 2,500,000 hours |
| Annual Workload Rating | 550 TB/year |
| Load/Unload Cycles | 600,000 |
| Operating Temperature | 5°C to 60°C |
| Power Consumption (Operating, Typical) | 9.0 W |
| Rotational Vibration Compensation | Yes (RV sensors) |
| Encryption | Optional SED (Self-Encrypting Drive) on select variants |
| Weight | 650 g (approximate) |
| Dimensions (H × W × D) | 26.11 mm × 101.6 mm × 147 mm |
Frequently Asked Questions about Seagate Exos X18 18TB HDD
What does the Seagate Exos X18 18TB HDD do?
the Seagate Exos X18 18TB HDD suits enterprise data-center storage tiers — all-flash arrays, hyperconverged storage pools (vSAN, Ceph), database backends, and high-throughput backup repositories. It is supported by major server platforms.
What are the headline specs of the Seagate Exos X18 18TB HDD?
Key specifications for the Seagate Exos X18 18TB HDD: new condition; capacity 18TB; interface SATA 6Gb/s; form factor 3.5 inch; read speed 261 MB/s; write speed 261 MB/s. Manufacturer part number ST18000NM001G. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.