What You Need to Know
Priced at $319.50, the WD_BLACK SN850 1TB NVMe Gen 4 M.2 SSD is Western Digital's entry in the internal ssds category. With 8,639 buyers rating it at 4.9 stars, it currently sits at #7 of 45 in our rankings. It's in the top quartile of the category, which is where most buyers should be looking.
Drive Construction
For internal ssds, what you can't see matters more than what you can - the controller, NAND type, and DRAM cache determine real-world speed. The enclosure is just the wrapper. Sustained read/write performance is well-reviewed here.
The Numbers
- Brand: Western Digital
- Price: $319.50 (well above the $236.75 category average)
- Amazon rating: 4.9 of 5.0
- Reviews: 8,639
- Category rank: #7 of 45 in internal ssds
- Cheaper in category: 34 products
- Higher-rated in category: 0 products
- More-reviewed in category: 10 products
From the Reviews
8,639 reviews and a 4.9-star average is a strong signal. At this scale, manufactured reviews would have to be unrealistically pervasive to move the score this much, which means the satisfaction is real for the typical buyer.
For context, the average rating across all 45 internal ssds options we track is 4.7 stars, so this product is meaningfully above average.
What Else to Consider
At $319.50, the WD_BLACK SN850 1TB NVMe Gen 4 M.2 SSD sits well above the $236.75 category average. 34 options are cheaper and 10 are more expensive.
The category leader is the Samsung 970 EVO Plus 2TB NVMe M.2 SSD ($297.99, 4.8★, 60,441 reviews). It's $21.51 more expensive than the top pick despite ranking lower, which is a hard combination to justify unless a specific feature swings the decision.
Direct competitors at this price (±25%):
- Samsung 970 EVO Plus 2TB NVMe M.2 SSD - $297.99, 4.8★ (60,441 reviews) · Cheaper
- Samsung 990 PRO 2TB NVMe M.2 PCIe Gen 4 SSD - $391.00, 4.7★ (17,098 reviews) · Roughly comparable
- Samsung 990 PRO 1TB NVMe M.2 PCIe Gen 4 SSD - $249.99, 4.7★ (17,098 reviews) · Cheaper If pure price is the filter, the cheapest is the KOOTION 256GB NVMe M.2 PCIe Gen 3 SSD at $55.27.
Should You Buy It?
Only if you specifically want what makes it expensive. The rating is excellent but the price premium is meaningful. There are cheaper highly-rated options in this category - make sure the extra money is buying a feature you'll actually use.
Best fit for:
- Quality-first buyers who prioritize a track record of satisfaction over saving a few dollars
Bottom Line
8.4/10
Functional, mid-pack option. Nothing wrong with it, but nothing pushing it above the better-ranked alternatives either.