# Seagate Exos X24 internal hard drive 20 TB 7200 RPM 512 MB 3.5" Serial ATA III

**URL:** https://aio.lv/en/product--seagate-exos-x24-35-20-tb-serial--12079448
**Data updated:** 2026-03-12 21:58 (EET)
**Category:** Hard Disk Drives (HDD)
**Manufacturer:** SEAGATE
**Manufacturer code:** Exos X24 3.5" 20 Tb Serial
**EAN:** 5715063804704
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Seagate Exos X24. HDD capacity: 20 TB, HDD speed: 7200 RPM, Storage drive buffer size: 512 MB, HDD size: 3.5", Interface: Serial ATA III

## Long description

Seagate Exos X24 internal hard drive 20 TB 7200 RPM 512 MB 3.5" Serial ATA III is an enterprise-class 3.5" HDD designed for high-density storage environments. With 20 TB capacity, 7200 RPM spindle speed and a 512 MB buffer, this drive targets applications that require large-scale, reliable storage and efficient rack-space usage. The drive implements Seagate technologies for performance tuning, power management, and secure data retirement.
Advantages
The Seagate Exos X24 offers a high-capacity single-drive footprint that increases rack-space efficiency while providing enterprise-grade reliability with a mean time between failures (MTBF) of 2,500,000 hours and a workload rating suitable for demanding environments. Built-in large cache and advanced write caching improve sustained transfer behaviour, and configurable power modes allow balancing performance and power consumption. Security features support rapid and secure drive erasure when decommissioning media.
Suitable for
Data center bulk storage and hyperscale deployments
Backup and archival systems requiring high capacity per drive
Network-attached storage (NAS) and server storage arrays
Applications needing a balance of performance and dense capacity
Key specifications
Capacity: 20 TB
Form factor: 3.5 inch
Rotational speed: 7200 RPM
Cache buffer: 512 MB
Interface: SATA III (6 Gbit/s)
Workload rating: 550 TB/year
Mean time between failures (MTBF): 2,500,000 hours
Uncorrectable Bit Error Rate (UBER): \< 1 per 10^15 bits read
Weight: 0.685 kg
How to use
Install the Seagate Exos X24 into a compatible 3.5" drive bay or tray and connect to a host system using a SATA III interface. Ensure the server or storage enclosure supports enterprise 7200 RPM drives and adequate cooling. Configure the drive within your operating system or storage controller, format as required by your file system, and incorporate into RAID or storage pools according to your redundancy and performance needs. Follow your hardware vendor guidelines for torque and mounting to avoid mechanical stress.
Usage recommendations
Operate the drive within specified ambient temperature and humidity ranges provided by your system vendor and ensure stable power delivery. Use the drive in arrays with appropriate monitoring and backup routines, and employ the built-in secure erase feature when retiring the drive to remove data reliably.

## Specifications

### Features

| Feature | Value |
|---|---|
| HDD capacity | 20000 GB |
| HDD size | 3.5 |
| HDD speed | 7200 |
| Mean time between failures (MTBF) | 2500000 h |
| Average latency | 4.16 ms |
| HDD interface transfer rate | 6 Gbit/s |
| HDD sustained transfer rate | 272 MiB/s |
| Component for | PC |
| HDD average transfer rate | 285 MB/s |
| Interface | Serial ATA III |
| Type | HDD |
| Uncorrectable Bit Error Rate (UBER) | \< 1 per 10^15 bits read |
| Storage drive buffer size | 512 MB |
| Rotational Vibration (RV) sensors | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 10 - 60 |
| Operating shock | 40 G |
| Non-operating shock | 200 G |
| Operating vibration | 2.27 G |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.685 kg |
| Height | 26.1 mm |
| Width | 101.85 mm |
| Depth | 147 mm |

### Power

| Feature | Value |
|---|---|
| Power consumption (idle) | 6.3 W |
| Power consumption (read) | 8.9 W |
| Power consumption (write) | 7.1 W |
| Operating voltage | 5 / 12 |

### Packaging data

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All SEAGATE products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized SEAGATE service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: hdd capacity, hdd size, hdd speed, mean time between failures (mtbf), weight, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Seagate Exos X24 internal hard drive ST20000NM002H?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/12079448/67576413_large.webp