# SAMSUNG 870 Evo 1TB — 2.5-Inch SATA III Internal SSD

> The SAMSUNG 870 EVO 1TB is a 2.5-inch SATA III SSD delivering near-interface-limit speeds of 560/530MB/s and up to 2,400TBW endurance. Featurin

Tags: ssd, samsung, 870-evo, sata, 2-5-inch, internal-storage
Source: https://www.amazon.co.jp/dp/B08W5TLTL2
Article page: https://web-autoai.com/articles/samsung-870-evo-1tb-25-sata-iii-ssd-mz-77e1t0bw?lang=en

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

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## Overview
The SAMSUNG 870 EVO 1TB is a 2.5-inch SATA III internal SSD that has become a benchmark for reliability in the SATA storage segment. With model number MZ-77E1T0BW, it delivers sequential read speeds of up to 560MB/s and write speeds of up to 530MB/s, effectively saturating the SATA III interface. This drive fits seamlessly into both desktop PCs and laptops that support the standard 2.5-inch drive form factor.
What sets the 870 EVO apart is Samsung's Intelligent TurboWrite technology, which accelerates write performance through a larger variable buffer, combined with the 6th-generation V-NAND and the MKX controller. The drive offers up to 2,400TBW endurance, making it suitable for workloads ranging from everyday office tasks to 8K video processing.
In the current storage market, the 870 EVO occupies a sweet spot for users who want a dependable upgrade from HDD without the premium cost of NVMe drives. While NVMe SSDs dominate the performance segment, the 870 EVO remains a compelling choice for maximizing the potential of existing SATA-based systems.

## Compatibility Guide
The SAMSUNG 870 EVO 1TB uses the standard 2.5-inch form factor, making it compatible with virtually all desktop PCs and most laptops that have a 2.5-inch drive bay. It connects via SATA III (6Gbps) and is backward compatible with SATA II (3Gbps) and SATA I (1.5Gbps) ports, ensuring it works with older systems as well.
For desktop installations, you'll need an available SATA port on your motherboard and a SATA power connector from your power supply. For laptop users, check whether your system has a 2.5-inch drive bay and whether it accommodates 7mm-thick drives, as some ultra-thin notebooks only support 9.5mm drives. The drive's low power consumption and minimal heat output make it suitable for compact systems and laptops.
Samsung has conducted compatibility testing with major chipsets, motherboards, NAS devices, and video recording equipment, ensuring broad system compatibility. Unlike NVMe SSDs, the 870 EVO doesn't consume PCIe lanes or require heatsink considerations, making it a straightforward drop-in upgrade for older systems.

## Product Info
The SAMSUNG 870 EVO 1TB (MZ-77E1T0BW) was released in 2021 and remains widely available through Samsung's official channels, major electronics retailers, and online stores. It comes with a 5-year limited warranty, reflecting Samsung's confidence in the drive's longevity.
Key performance figures include sequential read speeds of 560MB/s and write speeds of 530MB/s, which are near the theoretical limits of the SATA III interface. The drive also delivers strong random read/write performance, significantly improving OS boot times and application loading compared to traditional HDDs.
In terms of market positioning, the 870 EVO sits at the high end of the SATA SSD category. The EVO series has been one of the best-selling SSD lines globally for years, and the 870 EVO continues that legacy with a balance of performance, reliability, and value. While it can't match NVMe speeds, it's the optimal choice for users looking to get the most out of their existing SATA infrastructure.

## Best Use Cases
1. Users upgrading an older desktop PC
If you're replacing a mechanical HDD with your first SSD, the 870 EVO is an excellent starting point. Boot times will drop dramatically, and applications will feel noticeably more responsive. Since it only requires a SATA port and power connector, installation is straightforward even for beginners.
2. Laptop users with a 2.5-inch drive bay
For notebooks that still feature a 2.5-inch SATA bay, the 870 EVO provides a reliable upgrade path. It generates less heat and consumes less power than NVMe drives, making it ideal for mobile use where battery life and thermal management matter.
3. Users needing a large secondary storage drive
If you need extra space for game libraries, photos, or video files that don't require NVMe-level speeds, the 870 EVO offers a cost-effective solution. It's particularly well-suited for storing media collections where sequential read performance is sufficient.
4. NAS and recording device owners
Samsung has validated the 870 EVO for use in NAS and video recording environments, where 24/7 operation is common. It works well as a cache drive in network storage or as a recording drive for surveillance systems, providing consistent performance over extended periods.

## Things to Consider
While the SAMSUNG 870 EVO 1TB is an excellent SATA SSD, it's important to acknowledge its limitations compared to NVMe drives. For large file transfers and heavy creative workloads, PCIe-based NVMe SSDs offer significantly higher throughput. If your motherboard has an available M.2 slot, investing in an NVMe drive might be a better long-term choice.
Price competition has also narrowed the gap between SATA and NVMe SSDs. In some regions, 1TB NVMe drives cost only slightly more th

### Product Disclosure (Amazon)
- Manufacturer: サムスン(SAMSUNG)
- Seller: Kk-shop
- Fulfilled by: Kk-shop
- ASIN: B08W5TLTL2
- Note: This article covers a manufacturer-made product based on Amazon listing details.