Samsung 990 Pro vs WD Black SN850X

By Billy G. · Founder & Lead EditorVerified May 10 by Billy G.

✓ Verified Confidence: 88%

Verdict: The Samsung 990 Pro takes the lead with superior read speeds of 7450 MB/s compared to the WD Black SN850X's 7300 MB/s (per Tom's Hardware and AnandTech tests), and write speeds of 6900 MB/s versus 6600 MB/s. Its Samsung Magician software also offers better optimization tools than WD's Dashboard (per user reports on Tom's Hardware). However, the SN850X is more budget-friendly at $109.99 versus $129.99, making it a strong contender for cost-conscious buyers.

Winner: Samsung 990 Pro

Samsung 990 Pro: 9/10

WD Black SN850X: 8.5/10

Samsung 990 Pro Pros

• Exceptional read speeds at 7450 MB/s (per Tom's Hardware testing)
• High endurance rating of 600 TBW for heavy workloads (per Samsung specs)
• Samsung Magician software offers robust optimization tools

WD Black SN850X Pros

• Competitive read speeds at 7300 MB/s (per AnandTech testing)
• Optimized for gaming with low latency via Game Mode 2.0 (per WD claims)
• More affordable at $0.11/GB compared to competitors

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