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ST1000LM035

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Seagate Mobile HDD ST1000LM035 internal hard drive 1000 GB
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4.8(6)

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st1000lm035 seagate mobile hdd st1000lm035 internal hard drive 1000 gb

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Seagate Mobile HDD ST1000LM035 internal hard drive 1000 GB

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ST1000LM035 Overview

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.

ST1000LM035 price is is available on request. Get immediate quote.

Request bulk order quote for ST1000LM035 for additional pricing. Browse the full Seagate Storage Devices series or explore all Seagate products.

ST1000LM035 Specifications

Product Type
Hard Drive
Drive Type
HDD
Use Case
Desktop / Server / NAS / Surveillance / Enterprise Storage
Interface
SATA III
Form Factor
2.5-inch
Storage Capacity
1 TB
Spindle Speed (RPM)
5400 RPM
Cache (Buffer Size)
128 MB
Average Latency
N/A
Data Transfer Rate
Up to 150 MB/s
Annual Workload Rating
180 TB/yr
Power Consumption (Read/Write)
3W
Power Consumption (Idle)
1.5W
Encryption Support
No
Helium Sealed
No
Drive Bays Supported
Single
Vibration Protection
No
Advanced Features
N/A
Operating Temperature
5–55°C
Product Name
Seagate Barracuda ST1000LM035
Height
0.28 inches
Width
2.75 inches
Depth
3.94 inches
Weight
0.53 lbs

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

ISO 14001 Certified - UCCISO 9001 Certified - UCCRoHS CompliantREACH CompliantFCC CertifiedCE Mark - European ConformityVCI CertifiedUKCA Mark - UK Conformity Assessed

Product Comparison Table

Seagate Mobile HDD ST1000LM035 internal hard drive 1000 GBST1000LM03518TB EXOS X18 HDD 512E/4KN SATA SED 3.5INST18000NM001J1TB HD 2.5IN INTERNAL SATA 1 TB HARD DRIVE 2.5IN INTERNAL SATAST1000NX0313Enterprise ST300MP0006 - 2.5" - 300 GB - 15000 RPMST300MP0006Enterprise ST4000NM003A - 3.5" - 4000 GB - 7200 RPMST4000NM003A
Product TypeHard DriveHard DriveHard DriveHard DriveHard Drive
Drive TypeHDDHDDHDDHDDHDD
Use CaseDesktop / Server / NAS / Surveillance / Enterprise StorageDesktop / Server / NAS / Surveillance / Enterprise StorageDesktop / Server / NAS / Surveillance / Enterprise StorageDesktop / Server / NAS / Surveillance / Enterprise StorageDesktop / Server / NAS / Surveillance
InterfaceSATA IIISATA IIISAS 12Gb/sSATA IIISAS 12Gb/s
Form Factor2.5-inch3.5-inch3.5-inch3.5-inch3.5-inch
Storage Capacity1 TB18 TB1 TB3 TB4 TB
Spindle Speed (RPM)5400 RPM7200 RPM7200 RPM7200 RPM7200 RPM
Cache (Buffer Size)128 MB256 MB128 MB64 MB128 MB
Average LatencyN/AN/AN/AN/AN/A
Data Transfer RateUp to 150 MB/sUp to 250 MB/sUp to 210 MB/sUp to 210 MB/sUp to 250 MB/s
Annual Workload Rating180 TB/yr550 TB/yr550 TB/yr300 TB/yr550 TB/yr
Power Consumption (Read/Write)3W7.0 Watts9 Watts8 Watts7.6 Watts
Power Consumption (Idle)1.5W5.3 Watts7 Watts6 Watts5.9 Watts
Encryption SupportNoAES 256-bitAES 256-bitNoAES 256-bit
Helium SealedNoHelium-SealedHelium-SealedHelium-SealedHelium-Sealed
Drive Bays SupportedSingleMulti-bayMulti-bayMulti-bayMulti-bay
Vibration ProtectionNoYesYesYesYes
Advanced FeaturesN/AAgileArrayDual ActuatorDual ActuatorDual Actuator
Operating Temperature5–55°C5–60°C5–60°C5–60°C5–60°C
Product NameSeagate Barracuda ST1000LM035ST18000NM001J 18TB Enterprise HDDSeagate ST1000NX0313ST300MP0006ST4000NM003A
Height0.28 inches1.03 inches1.03 inches1.03 inches1.03 inches
Width2.75 inches5.79 inches5.79 inches5.79 inches4 inches
Depth3.94 inches8.74 inches4.00 inches4.01 inches5.79 inches
Weight0.53 lbs2.1 lbs2.1 lbs2.1 lbs2.05 lbs

Reviews & Ratings

H
Holden Craft
5

Slim 1TB mobile HDD. Ideal for thin laptops and compact external enclosures requiring reliable storage.

Z
Zelda Vance
5

Consistent performance for a 2.5-inch drive. Reliable enough for everyday professional mobile use.

G
Gideon Moore
5

Quiet operation and steady data transfer. A solid replacement drive for standard laptop configurations.

I
Indie Hart
5

Reliable SATA integration. Provides the 1TB capacity we need for our mobile workforce deployments.

L
Lukas Graham
5

Dependable and efficient. The ST1000LM035 offers consistent uptime for portable workstations.

I
Ivy Sinclair
4

Excellent value for 1TB mobile storage. Lightweight design with stable long-term performance.

Questions & Answers

What is the storage capacity of the Seagate ST1000LM035 internal hard drive?

The Seagate ST1000LM035 internal hard drive provides 1 000 GB (1 TB) of storage for applications, media files and backups.

What interface and protocol does the ST1000LM035 use?

The ST1000LM035 uses a SATA III (6 Gb/s) interface with the ATA-7 command protocol for broad compatibility with modern laptops.

What are the rotational speed and cache size of the Seagate ST1000LM035?

The Seagate ST1000LM035 spins at 5 400 RPM and includes 128 MB of Multi-Tier Caching (MTC) to boost read/write performance.

What are the typical sequential read and write speeds of the ST1000LM035?

Under optimal conditions, the ST1000LM035 delivers up to 140 MB/s sequential read and write speeds.

Is the Seagate ST1000LM035 compatible with my laptop?

The ST1000LM035 is compatible with any 2.5-inch notebook or small-form-factor PC that supports SATA III or SATA II connections.

How do I install the Seagate ST1000LM035 in my laptop?

Power down your laptop, open the drive bay, connect the SATA data and power cables to the ST1000LM035, secure it with screws, and close the bay.

What is the power consumption of the ST1000LM035?

The ST1000LM035 draws 0.7 W idle and 1.6 W during typical read/write operations, optimizing battery life in portable systems.

How reliable is the Seagate ST1000LM035?

The ST1000LM035 offers a 600 000-hour MTBF rating and Seagate’s Multi-Level Parity technology for enhanced data integrity.

What warranty does the Seagate ST1000LM035 come with?

Seagate backs the ST1000LM035 with a two-year limited warranty covering manufacturing defects and premature failure.

Does the ST1000LM035 support Native Command Queuing (NCQ)?

Yes, the ST1000LM035 supports NCQ to optimize command processing and improve performance under multitasking workloads.

Does the Seagate ST1000LM035 include hardware encryption?

No, the ST1000LM035 does not include onboard hardware encryption; Seagate recommends using software-based encryption solutions.

What are the physical dimensions and weight of the ST1000LM035?

The ST1000LM035 measures 100 × 69.85 × 7 mm (L×W×H) and weighs approximately 90 g, fitting most ultrabooks and laptops.

How loud is the Seagate ST1000LM035 during operation?

The ST1000LM035 operates at 24 dB idle and 26 dB during seeks, delivering near-silent performance in everyday use.

Can I use the ST1000LM035 as an external drive?

Yes, by installing it in a compatible 2.5-inch USB or Thunderbolt external enclosure, you can use the ST1000LM035 as a portable drive.

What use cases is the Seagate ST1000LM035 best suited for?

The ST1000LM035 is ideal for laptop upgrades, secondary storage, casual gaming, multimedia libraries and file backup applications.

How does the ST1000LM035 compare to a solid-state drive?

The ST1000LM035 offers higher capacity at a lower cost per gigabyte but has slower access times and lower shock resistance compared to SSDs.