WD Black SN850X 4TB: Massive Capacity at a Deep Discount
The WD Black SN850X 4TB is the headline grabber in today’s SSD deals 2025, with Best Buy offering a huge WD Black discount at 65% off. That price drop pulls a once eye‑watering high‑capacity drive closer to pre‑AI pricing, turning a premium upgrade into a realistic option for power users. As a PCIe Gen4 M.2 NVMe SSD, it delivers up to 7,300MB/s reads and 6,600MB/s writes, ideal for high‑end gaming, heavy creative workloads, and massive app libraries. Western Digital also rates the drive for endurance up to 2,400TB written, meaning you could refill the drive hundreds of times before worrying about wear. If your desktop or laptop has a spare M.2 slot and you’re tired of uninstalling games or archiving projects, this 4TB storage sale is hard to ignore, especially if you prioritize long‑term capacity over short‑term savings.
WD Black SN7100 1TB: Budget-Friendly Gen4 Performance
If 4TB feels excessive or out of budget, the WD Black SN7100 1TB offers a compelling middle ground. This Gen4 PCIe NVMe SSD hits up to 7,250MB/s reads and 6,900MB/s writes, putting it near the top of the Gen4 performance stack while currently discounted by 49%. Using Western Digital’s Polaris 3 controller and BiCS8 218‑layer TLC NAND, it relies on Host Memory Buffer instead of onboard DRAM to keep power draw in check without making everyday tasks feel sluggish. Its single‑sided design is a key advantage for slim laptops and handheld gaming devices, where thicker double‑sided drives can cause fitment or thermal issues. For users who want a serious speed upgrade for operating systems, a few flagship games, or core productivity apps, this 1TB option delivers strong value without committing to the cost of a 4TB monster.
Lexar ES3 1TB: External SSD Portable Storage for Everywhere
Not everyone can or wants to crack open a PC or console, which is where the Lexar ES3 1TB external SSD portable drive steps in. This USB 3.2 Gen2 model delivers up to 1,050MB/s read and 1,000MB/s write speeds, making it far quicker than traditional external hard drives and fast enough for 4K editing or moving large game installs. It’s currently available for USD 143.99 (approx. RM670), down from USD 159.99 (approx. RM745), giving you a modest but welcome saving. The ES3 works seamlessly with iPhone 16 and 15 series devices, as well as Macs, consoles like PS5 and Xbox, laptops, and desktops. That versatility makes it a strong pick for creators, students, and gamers who need to shuttle large files between systems. If portability and plug‑and‑play convenience matter more than maximum throughput, this deal hits a sweet spot.
Performance Showdown: Internal NVMe vs. External USB SSDs
When comparing these SSD deals 2025, performance differences are crucial. Both the WD Black SN850X and SN7100 sit on the PCIe Gen4 NVMe bus, delivering multi‑gigabyte per second throughput that can exceed 7,000MB/s in sequential reads. That level of speed dramatically cuts game load times, accelerates project file access, and keeps operating systems feeling snappy. The Lexar ES3, while fast for a USB drive at up to 1,050MB/s read and 1,000MB/s write, still trails the raw bandwidth of internal NVMe options. For gaming PCs and high‑performance laptops, internal drives remain the best way to unlock the full potential of modern CPUs and GPUs. However, external SSDs shine in flexibility: they can upgrade multiple devices at once and add storage to consoles or phones that don’t support internal expansion, making them the more versatile, if slightly slower, choice.
Cost-per-Terabyte and Use Cases: Which Drive Should You Buy?
Choosing the right upgrade means balancing capacity, performance, and portability. The WD Black SN850X 4TB shines on cost‑per‑terabyte during this 4TB storage sale, making the most sense for users with huge game libraries, large 4K or 8K projects, or long‑term archival needs on a single machine. The SN7100 1TB is the value pick for upgrading a boot drive or a compact laptop or handheld; you get near‑peak Gen4 speeds without overbuying capacity you might never fill. The Lexar ES3 1TB is best for multi‑device users—especially iPhone 16 owners, console gamers, and creators who frequently move data between systems. In short: pick the 4TB SN850X if you’re capacity‑hungry, the SN7100 if you’re speed‑focused on a budget, and the ES3 if portability and broad compatibility outweigh the benefits of internal NVMe performance.