Samsung 990 EVO Plus vs Western Digital Black SN850X 2 TB NVMe SSD
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Samsung 990 EVO Plus is a high-performance M.2 NVMe SSD designed for use with PCIe 4.0 and 5.0 hosts. It offers sequential read speeds of up to 7,250 MB/s, making it ideal for applications that require fast data transfer rates. The drive is designed to provide reliable and efficient storage for a variety of use cases, including gaming, content creation, and datacenter applications.
The WD Black SN850X 2 TB is a high‑end PCIe 4.0 NVMe solid‑state drive that delivers up to 7,300 MB/s sequential reads and 6,300 MB/s writes, making it ideal for demanding workloads. It features a heatsink‑compatible design, low latency, and a five‑year limited warranty for peace of mind. Designed for gamers, creators, and power users, the SN850X offers rapid game load times, fast 4K video editing, and swift data transfers. Its firmware is optimized for Windows 11 and supports the latest NVMe 2.0 features, ensuring future‑proof performance.
- High-speed storage for demanding applications
- Reliable and efficient design
- Compact M.2 form factor
- Support for advanced security features
- Industry‑leading sequential read/write speeds
- Heatsink‑compatible design for sustained performance
- Five‑year warranty for reliability
- Optimized for Windows 11 DirectStorage
- May require specific hardware support
- Higher cost compared to slower storage options
- Limited compatibility with older systems
- Higher price point than SATA SSDs
- Requires PCIe 4.0 motherboard for full speed
- No bundled heatsink in base model
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The Verdict
AI-generated from listing dataThe WD Black SN850X offers slightly higher sequential speeds and a heatsink‑compatible design, while the Samsung 990 EVO Plus adds PCIe 5.0 support and better power efficiency.
Key differences
- •Sequential read: 7,300 MB/s (WD) vs 7,250 MB/s (Samsung).
- •Write speed disclosed only for WD (6,300 MB/s); Samsung’s write speed not provided.
- •Connectivity: WD limited to PCIe 4.0 x4; Samsung works on PCIe 4.0 and PCIe 5.0 hosts.
- •Power management: Samsung explicitly mentions efficient power design; WD gives no power details.
- •Physical design: WD is heatsink‑compatible (no bundled heatsink); Samsung only notes standard M.2 form factor.
Performance
WD lists 7,300 MB/s read and 6,300 MB/s write; Samsung lists 7,250 MB/s read and no write spec.
Build quality
WD provides a heatsink‑compatible M.2 2280 design; Samsung gives no thermal features.
Connectivity
Samsung supports both PCIe 4.0 and PCIe 5.0; WD is PCIe 4.0 x4 only.
Power & efficiency
Samsung highlights efficient power management; WD provides no power‑efficiency information.
Compatibility
Samsung works with PCIe 4.0 and 5.0 platforms; WD requires PCIe 4.0 for full speed.
Pricing & value
WD price is $199.99; Samsung price not specified, so direct value comparison is unavailable.
Warranty & support
Both offer a five‑year limited warranty.
Choose Samsung 990 EVO Plus if…
Users wanting future‑proof PCIe 5.0 compatibility and lower power draw, even if speed is marginally lower.
Choose Western Digital Black SN850X 2 TB NVMe SSD if…
Gamers/content creators with a PCIe 4.0 board who prioritize raw sequential speed and thermal headroom.
Common questions
Which drive is faster for large file transfers?
The WD Black SN850X, with 7,300 MB/s read and 6,300 MB/s write, is listed as faster than Samsung’s 7,250 MB/s read.
Do I need a separate heatsink for the WD drive?
The WD is heatsink‑compatible but does not include a bundled heatsink; you must add one if needed.
Can the Samsung 990 EVO Plus be used in a PCIe 4.0‑only system?
Yes, it supports PCIe 4.0 hosts, though full performance may be limited compared to a PCIe 5.0 slot.