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WD Black SN7100 1TB NVMe Gen4 SSD
Key Specifications
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Capacity: 1 TB.
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Form Factor: M.2 2280 (single-sided).
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Interface: PCIe 4.0 ×4, NVMe. Back-compatible with PCIe 3.0/2.0.
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Sequential Read Speed (max): up to ≈ 7,250 MB/s.
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Sequential Write Speed (max): up to ≈ 6,900 MB/s.
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Random IOPS (1TB model): ~1,000K reads / ~1,400K writes (based on some review data) for the 1TB and 2TB variants.
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NAND Type: TLC 3D NAND (Western Digital’s next-gen).
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DRAM: It is a DRAM-less design employing HMB (Host Memory Buffer) instead of on-board DRAM.
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Endurance (TBW): For the 1TB model, rated around ~600 TBW (terabytes written) in some listings.
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Warranty: 5-year limited warranty.
WD Green 240GB SSD
- Boost your system’s performance with the WD 240GB SATA Solid State Drive, designed for faster boot times, quick file transfers, and improved overall responsiveness.
- Built with reliable Western Digital technology, this SSD delivers up to 550MB/s read and 500MB/s write speeds, ensuring smooth multitasking and efficient storage performance.
- Ideal for upgrading desktops and laptops, it offers low power consumption, silent operation, and shock resistance for enhanced durability.
Key Features:
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Capacity: 240GB
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Interface: SATA III 6Gb/s
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Sequential Read/Write: Up to 550/500 MB/s
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Faster boot-up and application load times
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Energy-efficient and reliable WD quality
Western Digital Green 1TB Internal SSD
✅ Key Features
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It’s an internal solid-state drive (SSD) with a 1 TB capacity, using the SATA III interface (6 Gb/s) in a 2.5″ / 7 mm form factor.
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It uses no moving parts (typical of SSDs), which offers better shock-resistance and quieter operation compared to mechanical hard drives.
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It supports SLC (single-level cell) caching (in the underlying controller/firmware) to help boost write performance for everyday tasks.
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It is marketed for everyday computing: desktops, laptops, general use rather than heavy enterprise workloads.
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Low power consumption: suitable for laptops where battery life matters.
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Comes with a 3-year limited warranty (for many regions) from the manufacturer.
Western Digital Green SN350 1TB M.2 NVME Intenal SSD
✅ Key Specifications & Features
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Form factor: M.2 2280 (80 mm length) — fits most modern laptops/desktops with an NVMe slot.
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Interface: PCIe 3.0 ×4, NVMe version (v1.3) compatible.
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Sequential read speed: Up to ~3,200 MB/s for the 1TB model.
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Sequential write speed: Up to ~2,500 MB/s for the 1TB model.
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Random performance: Up to ~300,000 IOPS (4 KB reads) and ~400,000 IOPS (4 KB writes) according to one spec sheet.
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Endurance: For the 1TB version, rated at 100 TBW (terabytes written) which is quite low compared to many other 1TB SSDs.
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Warranty: 3-year limited warranty.
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Other: Single-sided design (makes it a good fit in compact laptops where clearance under the board may matter) and uses QLC NAND (for the 1TB/2TB models) and is DRAM-less (for cost savings) according to reviews.