ST20000DM001 specification sheet

Overview:

Seagate Barracuda 20TB Hard Drive for Desktop PCs
Seagate brings reliable, high-performance storage to your desktop with the Barracuda 20TB 3.5-inch hard drive. Designed for both everyday computing and demanding tasks, this drive combines large capacity, fast data transfer, and proven durability in one trusted package.

Description:

The Seagate Barracuda 20TB HDD offers massive storage for desktops, supporting up to 24TB in the family lineup. With a 7200rpm spindle speed, 512MB cache, and SATA 6Gb/s interface, it delivers fast data access and smooth performance. Advanced power management reduces energy usage without compromising speed, while CMR recording technology ensures reliable, long-term data storage. Perfect for gamers, content creators, and professionals who need dependable high-capacity storage.

Features:

High-Capacity Storage for Every PC
The Barracuda 20TB drive is ideal for users who need ample space for large files, games, and multimedia libraries. It supports capacities up to 24TB across the BarraCuda family, offering flexibility for growing storage needs.

Reliable Performance You Can Trust
Built on Seagate's proven technology, this drive ensures consistent performance and durability. The combination of 7200rpm speed and 512MB cache provides smooth multitasking and fast data retrieval for your desktop.

Efficient Data Transfer
The SATA 6Gb/s interface maximizes burst performance, allowing faster file transfers and improved workflow efficiency. Whether moving large video files or running multiple applications, the Barracuda 20TB keeps your system responsive.

Energy-Saving Design
Advanced power modes help reduce electricity usage without affecting performance. This balance between energy efficiency and high-speed operation makes it an ideal choice for both home and office desktops.

Proven Recording Technology
Using CMR (Conventional Magnetic Recording), the drive delivers reliable long-term storage for critical files, ensuring your data remains safe and accessible over time.

Technical Highlights

• 3.5-inch desktop HDD with 7200rpm speed
• 20TB storage capacity
• 512MB cache for faster data access
• SATA 6Gb/s interface
• CMR recording technology for reliability
• Max sustained data rate: 190MB/s

Specifications:

©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specifications
Product Code	ST20000DM001
Specifications	20TB
Standard Model Number	ST20000DM001
Bytes per Sector	512e
Performance
Interface	SATA 6Gb/s
SATA Transfer Rates Supported (Gb/s)	6.0/3.0/1.5
Max Sustained Data Rate, OD Read (MB/s)	190MB/s
Cache, Multisegmented (MB)	512MB
Rotational Speed (RPM)	7200RPM
Recording Technology	CMR
Reliability/Data Integrity
Load/Unload Cycles	600000
Nonrecoverable Read Errors per Bits Read, Max	1 sector per 10E14
Power-On Hours (per year)	2400
Workload Rate Limit (TB/Year)	120
Power Management
Startup Power (A)	2.0A
Operating Mode, Typical (W)	8.9W
Idle Average (W)	6.7W
Standby Mode/Sleep Mode, Typical (W)	1.2 W
Voltage Tolerance, Inc. Noise (5V)	±5%
Voltage Tolerance, Inc. Noise (12V)	±10%
Environmental/Temperature
Operating (drive reported, min)	10degreesC
Operating (drive reported, max)	60degreesC
Nonoperating (ambient)	-40degreesC - 70degreesC
Halogen Free	Yes
RoHS Compliance	Yes
Physical
Height (mm/in, max)	26.1mm/1.028in
Width (mm/in, max)	101.85mm/4.010in
Depth (mm/in, max)	147mm/5.787in
Weight (g/lb, typical)	695g/1.532lb
Carton Unit Quantity	20
Cartons per Pallet/Cartons per Layer	40 / 8