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ST1000LM035
Seagate Mobile HDD ST1000LM035 internal hard drive 1000 GB
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ST1000LM035 is a 2.5-inch HDD built with a SATA III interface, spinning at 5400 RPM to deliver 1 TB of reliable storage capacity and a 128 MB buffer. It is engineered for efficient performance with an annual workload rating of 180 TB/yr, an operating temperature range of 5–55°C, and power consumption of approximately 3W during read/write operations and 1.5W when idle.
This drive is ideal for common use cases including data centers, desktops, NAS, and surveillance systems. While it does not incorporate advanced features such as helium sealing, vibration protection, or dual actuators, its dependable design makes it a solid choice for users seeking a balance of performance and energy efficiency in everyday computing environments.
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 ST1000LM035 |  ST18000NM001J |  ST1000NX0313 |  ST300MP0006 |  ST4000NM003A | |
|---|---|---|---|---|---|
| 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 | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance / Enterprise Storage | Desktop / Server / NAS / Surveillance |
| Interface | SATA III | SATA III | SAS 12Gb/s | SATA III | SAS 12Gb/s |
| Form Factor | 2.5-inch | 3.5-inch | 3.5-inch | 3.5-inch | 3.5-inch |
| Storage Capacity | 1 TB | 18 TB | 1 TB | 3 TB | 4 TB |
| Spindle Speed (RPM) | 5400 RPM | 7200 RPM | 7200 RPM | 7200 RPM | 7200 RPM |
| Cache (Buffer Size) | 128 MB | 256 MB | 128 MB | 64 MB | 128 MB |
| Average Latency | N/A | N/A | N/A | N/A | N/A |
| Data Transfer Rate | Up to 150 MB/s | Up to 250 MB/s | Up to 210 MB/s | Up to 210 MB/s | Up to 250 MB/s |
| Annual Workload Rating | 180 TB/yr | 550 TB/yr | 550 TB/yr | 300 TB/yr | 550 TB/yr |
| Power Consumption (Read/Write) | 3W | 7.0 Watts | 9 Watts | 8 Watts | 7.6 Watts |
| Power Consumption (Idle) | 1.5W | 5.3 Watts | 7 Watts | 6 Watts | 5.9 Watts |
| Encryption Support | No | AES 256-bit | AES 256-bit | No | AES 256-bit |
| Helium Sealed | No | Helium-Sealed | Helium-Sealed | Helium-Sealed | Helium-Sealed |
| Drive Bays Supported | Single | Multi-bay | Multi-bay | Multi-bay | Multi-bay |
| Vibration Protection | No | Yes | Yes | Yes | Yes |
| Advanced Features | N/A | AgileArray | Dual Actuator | Dual Actuator | Dual Actuator |
| Operating Temperature | 5–55°C | 5–60°C | 5–60°C | 5–60°C | 5–60°C |
| Product Name | Seagate Barracuda ST1000LM035 | ST18000NM001J 18TB Enterprise HDD | Seagate ST1000NX0313 | ST300MP0006 | ST4000NM003A |
| Height | 0.28 inches | 1.03 inches | 1.03 inches | 1.03 inches | 1.03 inches |
| Width | 2.75 inches | 5.79 inches | 5.79 inches | 5.79 inches | 4 inches |
| Depth | 3.94 inches | 8.74 inches | 4.00 inches | 4.01 inches | 5.79 inches |
| Weight | 0.53 lbs | 2.1 lbs | 2.1 lbs | 2.1 lbs | 2.05 lbs |
Slim 1TB mobile HDD. Ideal for thin laptops and compact external enclosures requiring reliable storage.
Consistent performance for a 2.5-inch drive. Reliable enough for everyday professional mobile use.
Quiet operation and steady data transfer. A solid replacement drive for standard laptop configurations.
Reliable SATA integration. Provides the 1TB capacity we need for our mobile workforce deployments.
Dependable and efficient. The ST1000LM035 offers consistent uptime for portable workstations.
Excellent value for 1TB mobile storage. Lightweight design with stable long-term performance.
The Seagate ST1000LM035 internal hard drive provides 1 000 GB (1 TB) of storage for applications, media files and backups.
The ST1000LM035 uses a SATA III (6 Gb/s) interface with the ATA-7 command protocol for broad compatibility with modern laptops.
The Seagate ST1000LM035 spins at 5 400 RPM and includes 128 MB of Multi-Tier Caching (MTC) to boost read/write performance.
Under optimal conditions, the ST1000LM035 delivers up to 140 MB/s sequential read and write speeds.