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Welcome back to Reviews Inside TV—the place where real tech meets real talk. Today, we’re diving into the world of internal storage, specifically looking at the Samsung 870 EVO 4TB 2.5 Inch SATA III Internal SSD. This model, the MZ-77E4T0B/AM, has gained attention as a high-capacity SATA SSD built on a well-established legacy. But is it really worth the premium? Let’s find out.
The Samsung 870 EVO 4TB is built for PC users needing fast, reliable internal storage with a focus on compatibility. It utilizes the SATA III interface and boasts sequential read and write speeds of up to 560MB/s and 530MB/s respectively. With a 4TB capacity, it’s designed to handle everything from routine computing tasks to heavier applications like 8K video editing and large data backups. Samsung claims up to 2,400 terabytes written (TBW), along with advanced features like AES 256-bit hardware encryption, support for TCG/Opal v2.0, and Microsoft’s eDrive.
Setting up the 870 EVO was plug-and-play simple—slide it into a 2.5-inch bay, connect your SATA power and data cables, and the system recognizes it instantly. I cloned my existing drive using Samsung’s Data Migration tool, which worked flawlessly. Once installed, I ran a series of tests: loading massive Photoshop projects, transferring 100GB+ video files, and launching games with high asset loads. Performance remained smooth and snappy across the board. Boot times were down, and file transfers averaged around 480–500MB/s in real-world scenarios—just shy of Samsung’s peak numbers, which is expected in actual workloads. Where it lagged slightly was in handling sustained write loads over extended sessions—thermal throttling can start to creep in, though it’s manageable in most cases.
Now, let’s break it down. On the plus side, you’ve got solid read/write performance, a massive 4TB capacity in a 2.5-inch form factor, and robust reliability with 2,400 TBW endurance. The encryption suite is enterprise-ready, and it’s compatible with an impressive array of systems—from modern gaming PCs to legacy motherboards and even NAS setups. On the flip side, you’re still limited by the SATA III interface. While this drive maximizes that ceiling, it can’t match the sheer speed of NVMe drives. Also, for a SATA SSD, it’s priced relatively high, especially considering that newer tech like Gen 4 NVMe is dropping in cost.
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In terms of value, it really depends on what you need. If you’re working with a system that doesn’t support NVMe or you need high-capacity SATA storage for archival, production work, or as a scratch disk, then the 870 EVO delivers solid value. You’re paying more, but you’re getting enterprise-level endurance and one of the most reliable SATA SSDs on the market. However, if raw speed is what you’re after, you might want to look elsewhere.
Comparing the 870 EVO to alternatives like Samsung’s own QVO series or lower-priced SATA drives from other manufacturers, the EVO stands out in endurance and consistency. While QVO models offer more capacity for less money, they rely on QLC NAND, which can suffer in long-term performance under sustained loads. The EVO’s TLC-based architecture gives it a clear edge in write endurance and reliability, making it better suited for demanding users.
Build quality feels premium. The 2.5-inch enclosure is sturdy, with solid internal architecture that keeps temperatures in check even under strain. While SATA drives generally don’t run hot, Samsung’s attention to thermal management helps avoid performance dips. As for longevity, Samsung’s EVO line has a strong reputation for reliability, and with a 5-year warranty backing it, you’re looking at a drive that should easily last through years of heavy use.
Though I didn’t need to contact Samsung’s customer service for this review, the brand is well-regarded for support on its SSDs. Firmware updates are rare for this model, and that’s a good thing—its stability right out of the box means fewer headaches in the long run.
If you’re considering cheaper alternatives, something like the Crucial MX500 4TB can get you in the same ballpark in terms of SATA performance at a lower cost. However, you’ll sacrifice some endurance and long-term reliability compared to the EVO. So it comes down to whether you prioritize longevity and proven reliability or are looking to save upfront.
To wrap it up, the Samsung 870 EVO 4TB isn’t trying to reinvent the SSD wheel—it’s perfecting a proven formula. It won’t win speed races against NVMe drives, but for users who need dependable, high-capacity SATA storage with professional-grade endurance and broad compatibility, it delivers where it counts. If you’re running a workstation, NAS, or even an older desktop that needs a serious storage upgrade, this drive is built to serve and last. Just know that you’re paying for long-term peace of mind more than bleeding-edge performance.
Thanks for tuning in to Reviews Inside TV. You’ll find the product link in the comments box below. Got questions? Or already using the 870 EVO? Drop your thoughts in the comments—we’d love to hear your experience. Until next time, stay sharp, stay curious, and keep your storage solid with Reviews Inside TV.
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