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We review Samsung's flagship 840 Pro series solid state drive. Driven by Samsung's own triple-core MDX memory controller, equipped with Samsung's 21 nm MLC memory and Samsung DDR2 cache, 840 Pro 128GB promises sequential read and write speeds of up to 530 MB/s and 390 MB/s, respectively, as well as 97000 and 90000 IOPS random read and write performance. Samsung SSDs are known not only for their performance, but also for unmatched reliability. As a result, 840 Pro series models get 5 year warranty.
Specifications:
| Model | MZ-7PD128 |
| Controller | Samsung MDX |
| Memory |
Samsung 21 nm Toggle MLC NAND |
| Cache | Samsung 256MB DDR2 1066MHz |
| Real capacity | 119.24 GB |
| Format | 2.5", 7mm height |
| Max sequential read/write | 530/390 MB/s |
| Max 4K random read/write | 97000/90000 IOPS |
| MTBF | 1500000 hours |
| Warranty | 5 years |
| Price | $129.99 |
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