First Impressions
Looking for a internal ssds? The SIX NVMe M.2 512GB PCIe Gen 4 SSD comes in at $99.99 and has earned 4.6 stars across 422 Amazon reviews. That's enough data to take its #33 ranking (out of 45) seriously. It won't beat the top picks on raw rating, but at 58% below the category average price, it has a different value proposition.
Form Factor & Build
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: Six
- Price: $99.99 (well below the $236.75 category average)
- Amazon rating: 4.6 of 5.0
- Reviews: 422
- Category rank: #33 of 45 in internal ssds
- Cheaper in category: 5 products
- Higher-rated in category: 30 products
- More-reviewed in category: 32 products
From the Reviews
422 reviews and a 4.6-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.
Cheap vs. Capable
At $99.99, the SIX NVMe M.2 512GB PCIe Gen 4 SSD sits well below the $236.75 category average. 5 options are cheaper and 39 are more expensive.
The category leader is the Samsung 970 EVO Plus 2TB NVMe M.2 SSD ($297.99, 4.8★, 60,441 reviews). The SIX NVMe M.2 512GB PCIe Gen 4 SSD is $198.00 cheaper, which is the main reason to pick it over the leader.
Higher-rated options in this category:
- WD_BLACK SN850 1TB NVMe Gen 4 M.2 SSD - $319.50, 4.9★ (8,639 reviews) · Higher rated
- Samsung 970 EVO Plus 2TB NVMe M.2 SSD - $297.99, 4.8★ (60,441 reviews) · Higher rated
- Samsung 990 PRO 2TB NVMe M.2 PCIe Gen 4 - $479.99, 4.8★ (14,159 reviews) · Higher rated
If rating alone is your filter, the highest-rated option in this category is the WD_BLACK SN850 1TB NVMe Gen 4 M.2 SSD at 4.9★. 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?
Yes - high rating, below-average price, healthy review volume. The SIX NVMe M.2 512GB PCIe Gen 4 SSD is the kind of choice that's hard to regret. The only reason to skip it is if a specific feature you need is missing.
Best fit for:
- Budget shoppers who want functional internal ssds without overspending
- Quality-first buyers who prioritize a track record of satisfaction over saving a few dollars
Bottom Line
7.9/10
Not a top-tier rank, but the price-to-rating combo is genuinely good. A reasonable choice if the top picks don't fit your budget.