Seagate BarraCuda 2TB 3.5-inch HDD vs Western Digital Black SN750 NVMe SSD
Side-by-side comparison of features, pricing, ratings, and alternatives.
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.
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.
- High capacity at an affordable price
- Fast 7200 RPM performance
- Broad compatibility with SATA III systems
- Built‑in data encryption for security
- Blazing sequential read/write performance
- Robust 5‑year warranty
- Thermal Guard heat management
- Wide capacity range
- Mechanical drive, not as fast as SSDs
- Higher power draw than 5400 RPM drives
- Potential for vibration in noisy environments
- No built‑in DRAM cache on lower capacities
- Limited to PCIe 3.0, not PCIe 4.0
- RGB version costs more
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 Seagate BarraCuda 2TB 3.5-inch HDD if…
Desktop users and home office professionals looking for affordable, everyday 2TB storage.
Choose Western Digital Black SN750 NVMe SSD if…
Gamers and creators needing rapid load times and blazing NVMe read/write speeds.
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.

