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The CS900 500GB sits at the midpoint of the PNY CS900 capacity ladder: 250GB at $0.215/GB, 500GB at $0.180/GB ($89.99), 1TB at $0.160/GB. The 500GB is a weaker price-efficiency step than moving to 1TB — doubling capacity to 1TB adds $70 while cutting $/GB by $0.02 and nearly doubling TBW from 160 to 320. Sequential specs are good for SATA: 535 MB/s reads, 515 MB/s writes. Against the Patriot P210 512GB ($69.99, $0.137/GB), the CS900 500GB costs $20 more for comparable capacity — P210's 500/450 MB/s sequential speeds trail the CS900's 535/515 MB/s by 15–65 MB/s, a difference not perceptible in real-world SATA use. PNY's 6,104 reviews modestly edge the P210's 6,093. For buyers locked into the PNY CS900 line, this is the right mid-tier option. For buyers choosing fresh, the P210 512GB delivers comparable performance for $20 less; stepping to the CS900 1TB at $159.99 provides better long-term value per GB. Right buy for: SATA-only systems committed to PNY that need 500GB and cannot stretch to 1TB — all other buyers should evaluate the Patriot P210 512GB ($69.99) or PNY CS900 1TB ($159.99) first.
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Last checked: Jul 18, 2026
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