I have a 128GB A55 that's been through 5 years of service
Ambitious-Yard7677 in r/PS4Pro
Source5 Reddit comments and posts discuss both products: 0 lean toward PNY CS900, 2 toward Silicon Power A55, and 3 don't pick a side.
Green marks the row winner: the strongest supported feature sentiment with at least 3 mentions, or the lowest listed price. Everything else stays neutral.
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We may earn a small commission.
| Feature | PNY CS900 | Silicon Power A55 |
|---|---|---|
| Price | ||
| value | ||
| reliability | ||
| storage capacity | ||
| nand type | ||
| read speed | No mentions | |
| form factor | No mentions | |
| endurance | ||
| dram cache | No mentions | |
| write speed | No mentions | |
| overall performance |

PNY
$48.73
Reddit score
RedDB's algorithmic rating based only on relevant Reddit opinions.
It uses one opinion per author: their highest-upvoted mention.
Evidence volume, recency, and votes affect the result.
The opinion count and sentiment bar include all analyzed relevant opinions; the bar does not represent the score out of 100.
We may earn a small commission.

Silicon Power
$129.97
Reddit score
RedDB's algorithmic rating based only on relevant Reddit opinions.
It uses one opinion per author: their highest-upvoted mention.
Evidence volume, recency, and votes affect the result.
The opinion count and sentiment bar include all analyzed relevant opinions; the bar does not represent the score out of 100.
We may earn a small commission.
5 Reddit comments and posts discuss both products: 0 lean toward PNY CS900, 2 toward Silicon Power A55, and 3 don't pick a side. Overall, Reddit is fairly split โ the better pick depends on your priorities.
Across all discussions RedDB tracks, PNY CS900 has 60% positive sentiment over 84 Reddit mentions, while Silicon Power A55 has 80% positive sentiment over 20 mentions.