Seagate
Exos X24
Best high-capacity storage for enterprise data centers and hyperscale infrastructure.
Experience massive storage with the Seagate Exos X24 HTU, a 24TB Internal HDD engineered for demanding enterprise environments. This 3.5-inch drive boasts a 7200RPM speed and a 512MB cache, ensuring consistent performance through its CMR technology. Its helium-sealed design enhances reliability and power efficiency, making it ideal for data centers and hyperscale applications requiring dependable, high-capacity storage. The fast SATAIII interface further supports its role in critical infrastructure.
$647.37
Owner Satisfaction
4.7
/ 5
Category Rank
36
/ 2789
#36 in Hard Drives
Price vs Category Average
+23%
Above average
Capacity
24
/ TB
Who it's for
- Data center managers maximizing limited rack space
- IT professionals managing mission-critical 24/7 server environments
- Cloud architects handling massive, high-throughput data workloads
Who should skip it
- Users requiring the instant responsiveness of solid-state drives
- Budget-conscious buyers seeking affordable consumer-grade storage
- Facility managers constrained by strict power and cooling budgets
Performance breakdown
Storage Density
Massive 24TB capacity maximizes rack space efficiency for hyperscale data centers.
Data Throughput
High-speed 7200RPM spindle ensures rapid data access for demanding enterprise workloads.
Reliability Rating
Helium-sealed architecture provides the long-term stability required for 24/7 server operations.
Write Consistency
CMR technology delivers predictable, sustained performance during heavy write-intensive tasks.
Power Efficiency
Advanced helium design significantly reduces energy consumption per terabyte stored.
Cache Performance
Generous 512MB cache buffer effectively minimizes latency during complex data requests.
Key Specs
Capacity
24 TB
Rotational Speed
7200 RPM
Interface
SATA III (SATA 6Gb/s)
Form Factor
3.5 Inch
Cache Size
512 MB
Drive Type
Internal HDD (CMR)
Grade
Enterprise
Model Number
ST24000NM002H
Features
- Massive 24TB storage capacity
- High-speed 7200RPM performance
- Designed for 24x7 reliability
- Energy-saving helium-sealed technology
- Consistent CMR performance
- Ideal for data centers
- Large 512MB cache
- Fast SATAIII interface
What customers say
The Seagate Exos X24 earns strong approval, especially in enterprise storage. Users consistently value its industry leading capacity, which is vital for scaling data centers and large NAS systems. Performance is exceptional, providing the high sustained throughput needed for demanding archival and streaming tasks. Reliability is a key strength; its high MTBF rating translates into dependable, stable operation around the clock, confirming its enterprise quality. While the initial cost is significant, customers see it as a worthwhile investment due to superior longevity and cost per terabyte compared to lesser drives. The drive is recognized as a robust, high performing tool essential for modern, demanding storage requirements.
Know before you buy
While it is physically compatible with most desktop cases, this drive is engineered specifically for enterprise server environments. It is optimized for 24/7 operation and may be louder than standard consumer-grade hard drives due to its high-performance design.
The Exos X24 utilizes CMR (Conventional Magnetic Recording) technology. This is generally preferred for enterprise workloads as it provides more consistent write speeds and better reliability during heavy data transfers compared to SMR drives.
Helium is less dense than air, which reduces drag on the drive's internal platters. This allows for higher storage density, lower power consumption, and cooler operating temperatures, all of which contribute to the drive's overall longevity.
Yes, the drive uses a standard SATA III interface, making it compatible with most modern server motherboards and storage controllers. It is also backward compatible with older SATA interfaces, though you may see reduced performance speeds.
The large 512MB cache acts as a high-speed buffer that allows the drive to store and retrieve frequently accessed data more quickly. This significantly improves performance in multi-user environments and data-intensive server applications.
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$647