# Seagate ST1000LM035 1TB HDD Review | 2.5-Inch SATA Internal Drive Guide

> 5400RPM, budget-friendly storage expansion. Compatibility and buying tips include

Tags: hdd, seagate, st1000lm035, 1tb, 2-5-inch, internal-hard-drive
Source: https://www.amazon.co.jp/dp/B01BU0YXDS
Article page: https://web-autoai.com/articles/seagate-mobile-hdd-st1000lm035-internal-hard-drive-1000-gb?lang=en

Prices and ratings change over time — check the article page for the current values.

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## Overview
The Seagate Mobile HDD ST1000LM035 is a 1TB internal hard drive designed for laptops. With a 2.5-inch form factor and 7mm thickness, it fits into most modern notebooks without clearance issues. It uses a SATA 6Gbps interface and spins at 5400RPM, offering a balance of capacity and cost. While SSDs have become the primary storage for operating systems, this HDD remains a popular choice for mass storage expansion on a budget.

## Compatibility Guide
This is a standard 2.5-inch SATA HDD. It works with any laptop or desktop motherboard that has an available SATA port. For desktops, you may need a mounting bracket to fit a 3.5-inch bay. The 7mm height ensures compatibility with ultra-thin laptops that often reject 9.5mm drives. It can also be used externally with a USB-to-SATA adapter for consoles like PS4 or PS5.

## Product Info
The ST1000LM035 was released around 2016 and sits in the entry-to-midrange HDD segment. It comes with a 2-year manufacturer warranty. Sequential read speeds are around 140MB/s, which is typical for a 5400RPM drive. It consumes very little power (around 1.5-2W active), making it suitable for battery-powered laptops. The drive uses Shingled Magnetic Recording (SMR) technology, which reduces cost but can impact sustained write performance.

## Best Use Cases
* Bulk storage for laptops: Users who need extra space for media files, documents, and backups without spending much. Avoid if you need fast boot times or app loading.
* Secondary drive in a desktop: Pair with an SSD for OS and use this HDD for data. Ideal for file servers or media libraries.
* Console storage expansion: Works well as external storage for PS4/PS5 for archived games. Not recommended for online multiplayer titles where load times matter.
* Cost-sensitive NAS or external enclosure: The low price per gigabyte makes it a good candidate for non-critical data in a home NAS. Avoid for RAID arrays that require constant writes.

## Things to Consider
Performance is the main drawback. At 5400RPM, random access is slow, and SMR technology can cause write performance drops under heavy sustained writes. Do not use it as a boot drive for a modern OS. For backup and archival purposes, it is perfectly adequate. Also, mechanical drives are shock-sensitive; if you carry it in a bag, use an external enclosure with rubber mounts. Compare with a 1TB SATA SSD which costs about 2-3 times more but offers 5-10x speed.
## FAQ
Q: Can I use this HDD in a desktop PC?
A: Yes, as long as you have a free SATA port and a 2.5-inch mounting solution (bracket or adapter).
Q: How fast is it?
A: Sequential read/write speeds are around 140-160MB/s. Random IOPS are low, around 100-200. Suitable for bulk storage, not for OS.
Q: Is this drive CMR or SMR?
A: The ST1000LM035 uses SMR (Shingled Magnetic Recording). This means sustained write speeds may drop after the PMR cache fills, but for typical file storage it works fine.

### Product Disclosure (Amazon)
- Manufacturer: シーゲイト(SEAGATE)
- Seller: one office
- Fulfilled by: one office
- ASIN: B01BU0YXDS
- Note: This article covers a manufacturer-made product based on Amazon listing details.