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Massive 6TB desktop storage. Perfect for backing up large files and media libraries easily.
ST6000DM003
6TB BARRACUDA SATA 5400 RPM 256MB 3.5IN
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ST6000DM003
6TB BARRACUDA SATA 5400 RPM 256MB 3.5IN
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ST6000DM003 is a 3.5-inch HDD built for high-performance desktop, server, NAS, and surveillance applications. It features a SATA III interface with a robust 7200 RPM spindle speed, delivering a 6 TB storage capacity paired with a 64 MB cache to ensure responsive data handling and efficiency.
This drive is engineered for demanding workloads with an annual rating of 180 TB/yr while operating within a 5–55°C temperature range. Although it does not include advanced enhancements such as helium sealing, vibration protection, or dual actuator technology, its optimized power consumption of 8.5 Watts (read/write) and 5.5 Watts (idle) makes it a reliable choice for data centers, desktops, and NAS environments.
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 ST6000DM003 |  ST6000VN001 |  ST6000NM029A |  ST1000LM035 |  ST4000VX013 | |
|---|---|---|---|---|---|
| Product Type | Hard Drive | Hard Drive | Hard Drive | Hard Drive | Hard Drive |
| Drive Type | HDD | HDD | HDD | HDD | HDD |
| Use Case | Desktop / Server / NAS / Surveillance / Enterprise Storage | Enterprise Storage | Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SATA III |
| Form Factor | 3.5-inch | 3.5-inch | 3.5-inch | 2.5-inch | 3.5-inch |
| Storage Capacity | 6 TB | 6 TB | 6 TB | 1 TB | 4 TB |
| Spindle Speed (RPM) | 7200 RPM | 7200 RPM | 7200 RPM | 5400 RPM | 7200 RPM |
| Cache (Buffer Size) | 64 MB | 256 MB | 256 MB | 128 MB | 128 MB |
| Average Latency | N/A | 4.17 ms | 4.17 ms | N/A | N/A |
| Data Transfer Rate | Up to 250 MB/s | Up to 250 MB/s | Up to 250 MB/s | Up to 150 MB/s | Up to 210 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 550 TB/yr | 180 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 8.5 Watts | 9.6 W | 9.0 Watts | 3W | 8.0 Watts |
| Power Consumption (Idle) | 5.5 Watts | 6.8 W | 5.1 Watts | 1.5W | 5.0 Watts |
| Encryption Support | No | No | AES 256-bit | No | No |
| Helium Sealed | No | Helium-Sealed | Helium-Sealed | No | Helium-Sealed |
| Drive Bays Supported | Single | Multi-bay | Multi-bay | Single | Multi-bay |
| Vibration Protection | No | Yes | Yes | No | Yes |
| Advanced Features | N/A | Rotational Vibration Sensors | Rotational Vibration Sensors | N/A | Rotational Vibration Sensors |
| Operating Temperature | 5–55°C | 5–55°C | 5–60°C | 5–55°C | 5–60°C |
| Product Name | Seagate Barracuda ST6000DM003 | ST6000VN001 6TB Enterprise SATA Hard Drive | Seagate ST6000NM029A 6TB 7200 RPM 256MB Cache SAS Enterprise HDD | Seagate Barracuda ST1000LM035 | ST4000VX013 Enterprise 4TB HDD |
| Height | 1.03 inches | 1.03 inches | 1.03 inches | 0.28 inches | 1.03 inches |
| Width | 4.01 inches | 5.79 inches | 4.0 inches | 2.75 inches | 5.79 inches |
| Depth | 5.79 inches | 8.74 inches | 5.8 inches | 3.94 inches | 7.79 inches |
| Weight | 2.43 lbs | 1.8 lbs | 1.80 lbs | 0.53 lbs | 1.5 lbs |
Massive 6TB desktop storage. Perfect for backing up large files and media libraries easily.
Consistent and quiet operation. The 256MB cache helps keep file transfers moving smoothly.
Reliable high-capacity drive for archiving. Great value for large scale home office backups.
Simple setup and stable performance. A dependable choice for secondary desktop storage.
Provides plenty of space with reliable performance. Ideal for long-term data retention needs.
Quiet and efficient. The 6TB capacity is great for massive document storage arrays.
The Seagate Barracuda ST6000DM003 provides 6 TB of raw storage capacity.
It uses a standard SATA 6 Gb/s interface in a 3.5-inch form factor.
The drive spins at 5400 RPM, balancing performance and energy efficiency.
The drive features a 256 MB cache buffer for improved data access.