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Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive

The Seagate Exos X20 ST18000NM003D delivers enterprise-grade performance with massive 18TB capacity, making it ideal for data centers, NAS systems, and high-demand storage applications. Operating at 7200 RPM with a substantial 256MB cache, it provides fast data access and transfer speeds through SATA 6.0Gb/s connectivity. Built for 24/7 operation with a 2.5 million hour MTBF rating, this 3.5″ drive features advanced PowerBalance technology for optimized performance per watt, helium-sealed design for enhanced reliability, and supports up to 550TB annual workload rating. The drive’s enterprise-class construction ensures consistent performance under heavy workloads while offering cost-effective storage scaling for businesses requiring reliable, high-capacity data storage solutions.

Quote5 pcs(MOQ)

Bulk Order Discounts Available

InterfaceSATA 6.0Gb/s
Capacity18TB
Form Factor3.5"
ApplicationServer
BrandSeagate

Market-leading 20TB HDD offering the highest capacity available for more petabytes per rack*

Highly reliable performance with enhanced caching, making it the logical choice for cloud data center and massive scale-out data center applications

Hyperscale SATA model tuned for large data transfers and low latency

PowerBalance feature optimizes Watts/TB

Maximize total cost of ownership savings through lower power and weight with helium sealed-drive design

Proven helium side-sealing weld technology for added handling robustness and leak protection

Digital environmental sensors to monitor internal drive conditions for optimal operation and performance

Data protection and security- Seagate Secure features for safe, affordable, fast, and easy drive retirement

* Compared to 18TB competitive product.

Interface

SATA 6.0Gb/s

Capacity

18TB

Form Factor

3.5"

Application

Server

Brand

Seagate

Width (maximum)

101.85mm

Usage

For Enterprise Storage

Recording Technology

CMR

Length (maximum)

147.00mm

Cache

256MB

Average Latency

4.16ms

Height (maximum)

26.10mm

Products Status

New

Series

Exos X20

RPM

7200 RPM

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