Detailed Specifications
Seagate ST2000NX0253 Exos 7E20 2TB 7200 RPM SATA 6Gb/s 128MB Cache 2.5-inch Enterprise HDD
Overview
The Seagate ST2000NX0253 is a high-density 2TB enterprise hard drive from the Exos 7E20 series (formerly Enterprise Capacity 2.5). This drive is specifically designed for data centers and server environments where floor space and power efficiency are critical. Despite its compact 2.5-inch form factor, it delivers full 7200 RPM performance and industrial-grade reliability. Engineered to support nearline workloads of up to 550TB per year, the ST2000NX0253 is ideal for high-density blade servers, content delivery networks (CDNs), and cloud-based storage. It features advanced write caching and Seagate's PowerChoice technology for optimized power consumption during idle periods. With a 2 million-hour MTBF and enhanced rotational vibration resistance, this drive ensures consistent, 24/7 performance in the most demanding multi-drive configurations.
Key Features
Compact Enterprise Storage: 2TB capacity in a small 2.5-inch form factor for high-density racks.
7200 RPM Performance: High-speed rotational performance for faster data access and throughput.
550TB/Year Workload: Built to handle 10x the workload of standard mobile drives.
PowerChoice Technology: Advanced power management to reduce cooling and energy costs.
24/7 Reliability: Designed for continuous operation with a 2.0 million-hour MTBF.
Technical Specifications
| Attribute | Specification |
| Brand | Seagate |
| Part Number | ST2000NX0253 |
| Category | Enterprise Internal Hard Drive |
| Series | Exos 7E20 |
| Capacity | 2 TB |
| Interface | SATA 6Gb/s |
| Rotational Speed | 7200 RPM |
| Buffer / Cache | 128 MB |
| Form Factor | 2.5 inch (15mm Z-height) |
| Sustained Transfer Rate | Up to 136 MB/s |
| MTBF | 2.0 Million Hours |
| Dimensions (L x W x H) | 3.95 x 2.75 x 0.59 in (100.45 x 69.85 x 15.00 mm) |
| Weight | 0.43 lbs (198 g) |
| Sector Size | 512 Native (512n) |
