SAMSUNG 870 EVO 4TB 2.5 Inch SATA III Internal SSD (MZ-77E4T0B/AM) , Black
- THE SSD ALL-STAR: The latest 870 EVO has indisputable performance, reliability and compatibility built upon Samsung's pioneering technology.Computer Platform:PC.Environmental Specs - Shock : 1,500 G & 0.5 ms (Half sine). Performance - Encryption : Class 0 (AES 256) TCG/Opal v2.0, MS eDrive (IEEE1667).
- EXCELLENCE IN PERFORMANCE: Enjoy professional level SSD performance with 870 EVO, which maximizes the SATA interface limit to 560/530 MB/s sequential speeds, Accelerates write speeds and maintains long term high performance with a larger variable buffer
- INDUSTRY DEFINING RELIABILITY: Meet the demands of every task from everyday computing to 8K video processing, with up to 2,400 TBW.
- MORE COMPATIBLE THAN EVER: 870 EVO has been compatibility tested for major host systems and applications, including chipsets, motherboards, NAS, and video recording devices
Any questions? Ask CelesteSM will help you find out quickly.
SSD (PART NUMBER: MZ-77E4T0B/AM) IS A HIGH-PERFORMANCE, 2.5 -
Warranty & Returns
Warranty, Returns, And Additional Information
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Manufacturer Contact Info
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- Support Phone: 1-800-726-7864
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The Samsung 870 EVO is a 4TB 2.5-inch SATA III internal SSD for desktop and laptop users who need substantial storage and sequential speeds up to 560 MB/s read and 530 MB/s write in a standard SATA drive bay.
Recommended For
- People upgrading a desktop or laptop that has a 2.5-inch SATA bay: it offers a high-capacity SSD option for systems that cannot use an M.2 NVMe drive.
- PC gamers with an available SATA connection who want a 4TB drive for a large game library or secondary storage, and do not need NVMe-class transfer speeds.
- Desktop users who need roomy, quiet internal storage for files and everyday applications, with SSD responsiveness and a standard 2.5-inch SATA connection.
- Users with recurring large file transfers who need a high-capacity SATA SSD: the 4TB model is rated for up to 530 MB/s sequential writes and 2,400 TBW, though it remains limited by the SATA interface.
Real-World Use Scenarios
- Replacing a mechanical hard drive in a SATA-equipped laptop or desktop: the system and apps should feel more responsive during startup and everyday use, while the 4TB capacity leaves room for files and programs. Confirm the computer has a compatible 2.5-inch SATA bay.
- Expanding a PC’s game library when an M.2 slot is full or unavailable: games can be kept installed on the internal drive instead of shuffled between drives, with load times typical of a SATA SSD. It will not provide NVMe-level transfer speeds or increase game frame rates by itself.
- Keeping a large photo, video, or project-file collection on a workstation: 4TB provides substantial local space for active media and project files, and the SSD can make browsing and moving files feel more responsive than a hard drive. For demanding video-editing workflows, performance still depends on the software, file formats, and the system’s SATA connection.
- Upgrading an older computer without an NVMe slot: the standard 2.5-inch SATA format can add SSD storage to a compatible system, making it a practical way to extend the life of a desktop or laptop without replacing the whole computer. The actual benefit depends on the device having a usable SATA bay and connection.
- Moving an existing system drive to a larger SSD: a user can migrate the operating system and files, then use the 4TB drive as the main internal storage if the computer supports it. Check the cloning process and drive compatibility before replacing the original drive.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | 4TB internal SSD upgrades for consumer PCs, laptops, Macs, and compatible Sony PlayStation 4 Slim systems |
| Capacity And Memory | 4TB solid-state storage using Samsung V-NAND flash |
| Interface And Form Factor | Internal 2.5-inch SATA III drive with SATA 6.0 Gb/s connectivity |
| Read And Write Performance | Sequential speeds up to 560 MB/s read and 530 MB/s write; random performance up to 98,000 IOPS read and 88,000 IOPS write |
| Cache And Drive Features | 4GB Samsung low-power DDR4 SDRAM cache; supports an auto garbage collection algorithm |
| Endurance And Reliability | Rated for up to 2,400 TBW with a 1,500,000-hour MTBF |
| Security | Class 0 encryption with AES 256, TCG/Opal v2.0, and MS eDrive (IEEE 1667) |
| Compatibility And Software | Listed for PC, Mac, laptop, Windows, Linux, and Mac OS X systems; Samsung Magician 6 software supports drive management and health monitoring |
| Dimensions And Weight | 100 × 70 × 7 mm; item weight 0.19 lb |
| Model Identifiers | Samsung 870 EVO Series; model and part number MZ-77E4T0B/AM |
Reference Q&A
Q: Samsung 870 EVO 4TB or 870 QVO 4TB for a SATA storage drive?
A: Choose the 870 EVO if the drive will handle frequent or sustained writes, or if higher rated endurance matters: Samsung specifies up to 2,400 TBW for the 4TB EVO, compared with 1,440 TBW for the 4TB QVO. The QVO can make sense for read-heavy bulk storage when its price is lower; the EVO uses TLC NAND, while the QVO uses QLC NAND.
Q: Should I get the 870 EVO 4TB or an NVMe SSD?
A: Choose the 870 EVO when your computer needs a 2.5-inch SATA drive or lacks a compatible NVMe slot; it delivers up to 560/530 MB/s sequential read/write. If your system supports NVMe and faster storage is the priority, choose an NVMe drive instead: the EVO is limited by its SATA interface.
Q: Is the 870 EVO 4TB worth choosing over the older 860 EVO 4TB?
A: For a new purchase, the 870 EVO has slightly higher rated sequential speeds—up to 560/530 MB/s versus 550/520 MB/s for the 860 EVO—and is the newer model. If you already own a working 860 EVO, benchmark reviews show the performance gap is generally modest; replacing it solely for speed is unlikely to be a meaningful upgrade.
Q: Should I replace a hard drive with the 870 EVO 4TB?
A: Choose the 870 EVO for a compatible 2.5-inch SATA bay when you want SSD storage for apps, games, or files that you access often. It offers up to 4TB capacity and up to 560/530 MB/s sequential speeds. A hard drive may remain the practical choice when minimizing storage cost is more important than SSD responsiveness.
Q: Will this SSD work in my laptop or desktop?
A: It can work in a computer that supports a 2.5-inch SATA drive. Check your device’s drive bay, SATA connection, and supported capacity before buying; the drive’s 2.5-inch size alone does not guarantee compatibility with every system.
Q: Does it come with the cable or accessories needed to install or clone a drive?
A: The supplied product information lists the SSD and migration software but does not specify included cables or mounting accessories. Check the seller’s package details; cloning through USB may require a separate USB-to-SATA adapter or cable.
Q: What speeds can I expect from this SSD?
A: The drive is rated for sequential reads up to 560 MB/s and writes up to 530 MB/s. Actual performance depends on the computer and workload, and the SATA interface limits peak speeds compared with newer storage interfaces.
Q: Who is a 4TB SATA SSD like this suitable for?
A: It suits users who need substantial internal storage for applications, games, media, or work files in a device with a compatible 2.5-inch SATA connection. Its 2,400 TBW rating is a specified endurance figure, not a guarantee of lifespan; users who need less capacity or higher interface speeds may not need this type of drive.
Q: Is the 870 EVO 4TB worth buying for a SATA storage upgrade?
A: It may suit a system that needs a 2.5-inch SATA drive and 4TB of capacity. Reddit discussions describe it as a useful option when SATA is required, but value depends on the price and whether a faster NVMe drive is compatible with your system. Its rated sequential speeds are up to 560 MB/s read and 530 MB/s write.
Q: Is the 870 EVO 4TB a good choice for a NAS?
A: It can fit a NAS with compatible 2.5-inch SATA bays, and the product information says it has been tested with NAS systems. However, Reddit reports include both long-running use and drive-failure concerns. For a write-heavy NAS role, consider the workload and endurance requirements, and keep backups; the drive is rated for up to 2,400 TBW.
Q: Should I be concerned about reliability with the 870 EVO 4TB?
A: Reddit posts include reports of failures as well as users reporting several years of trouble-free operation, so anecdotes alone do not establish how often failures occur. The listed endurance rating is up to 2,400 TBW. Keep a separate backup of important data and monitor drive health.
Q: Is the 870 EVO 4TB suitable for storing PC games?
A: It can work as a game-storage drive if your PC has a 2.5-inch SATA connection. In a Reddit discussion, users reported using it for games and noted that SATA may mainly affect initial or level-loading times compared with faster storage. Its sequential speeds are capped by the SATA interface.




























