Western Digital Black SN750 NVMe SSD vs Seagate BarraCuda 2TB 3.5-inch HDD
Side-by-side comparison of features, pricing, ratings, and alternatives.
The WD Black SN750 delivers blazing‑fast read/write speeds up to 3,470 MB/s, making it ideal for demanding games, 4K video editing, and large file transfers. Built on a 3D NAND architecture, it offers reliable endurance and low latency for a smooth computing experience. Designed for the M.2 2280 slot, the SN750 fits seamlessly into modern desktops and laptops, providing a sleek, low‑profile solution without sacrificing capacity—available from 250 GB to 2 TB.
The Seagate BarraCuda 2TB 3.5-inch HDD delivers high-capacity storage for desktops, all‑in‑one PCs, and external enclosures. With a 7200 RPM spindle speed and 256 MB cache, it balances performance and capacity for everyday tasks. Designed for easy installation, this drive supports SATA III 6 Gb/s interface and includes advanced data protection technologies to safeguard your files. It’s an ideal upgrade for gamers, content creators, and home office users seeking more space without breaking the bank.
- Blazing sequential read/write performance
- Robust 5‑year warranty
- Thermal Guard heat management
- Wide capacity range
- High capacity at an affordable price
- Fast 7200 RPM performance
- Broad compatibility with SATA III systems
- Built‑in data encryption for security
- No built‑in DRAM cache on lower capacities
- Limited to PCIe 3.0, not PCIe 4.0
- RGB version costs more
- Mechanical drive, not as fast as SSDs
- Higher power draw than 5400 RPM drives
- Potential for vibration in noisy environments
The Verdict
AI-generated from listing dataThe Western Digital Black SN750 is a high-performance NVMe SSD built for speed, while the Seagate BarraCuda 2TB is an affordable, high-capacity mechanical hard drive. The main trade-off is choosing blazing-fast speed and a longer warranty with the WD, or a lower price and massive 2TB capacity with the Seagate.
Key differences
- •Form factor and type: Product A is a lightweight M.2 NVMe SSD (~8 g), whereas Product B is a bulky 3.5-inch mechanical HDD (0.45 kg).
- •Performance: Product A reaches up to 3,470 MB/s read speeds, while Product B relies on a 7200 RPM mechanical setup with a 256 MB cache.
- •Pricing and Capacity: Product A's 500 GB model costs $99, whereas Product B provides 2TB of storage for $59.99.
- •Warranty: Product A comes with a 5-year limited warranty, compared to Product B's 2-year warranty.
Performance
Product A features sequential read speeds up to 3,470 MB/s and NVMe 1.3. Product B is a mechanical drive limited by 7200 RPM.
Build quality
Product A includes Thermal Guard heat management options and an endurance rating of up to 600 TBW for the 1 TB model.
Connectivity
Product A utilizes PCIe Gen3 x4 NVMe. Product B uses a SATA III 6 Gb/s interface.
Power & efficiency
Product A is not specified for power draw, but Product B draws 6.8 W during active use.
Compatibility
Product A is an M.2 form factor. Product B is a 3.5-inch drive with broad compatibility for SATA III systems.
Price & value
Product B costs $59.99 for a 2TB capacity, whereas Product A costs $99 for just the 500 GB model.
Warranty & support
Product A offers a 5-year limited warranty and Acronis cloning software. Product B has a 2-year warranty.
Choose Western Digital Black SN750 NVMe SSD if…
Gamers and creators needing rapid load times and blazing NVMe read/write speeds.
Choose Seagate BarraCuda 2TB 3.5-inch HDD if…
Desktop users and home office professionals looking for affordable, everyday 2TB storage.
Common questions
How do the speeds compare between the two drives?
Product A reaches sequential read speeds up to 3,470 MB/s and write speeds up to 3,000 MB/s. Product B is a mechanical drive that spins at 7200 RPM with a 256 MB cache.
Which drive offers a better warranty?
Product A comes with a five-year limited warranty, while Product B includes a two-year warranty.
What is the price difference for capacity?
Product A's 500 GB model has an MSRP of $99, whereas Product B offers a 2TB capacity for $59.99.

