Samsung SSD 840 PRO Series
User Benchmarks
| Model | Type | Score | Seq. Read MB | Seq. Write MB | Read 4k64QD | Write 4k64QD | Read Access msek. | Write Access msek. |
| Samsung SSD 840 PRO Series | 128 | 15891 | 8054 | 4934 | 694.75 | 316.41 | 0.01 | 0.01 |
| Samsung SSD 840 PRO Series | 128 | 13303 | 7071 | 3681 | 624.92 | 319.07 | 0.01 | 0.01 |
| Samsung SSD 840 PRO Series | 128 | 12661 | 6893 | 4015 | 422.88 | 300.16 | 0.01 | 0.01 |
| Samsung SSD 840 PRO Series | 256 | 10819 | 5491 | 3558 | 633.02 | 278.41 | 0.01 | 0.01 |
| Samsung SSD 840 PRO Series | 256 | 10246 | 6082 | 3026 | 335.60 | 116.22 | 0.01 | 0.04 |
| Samsung SSD 840 PRO Series | 256 | 8629 | 2789 | 4007 | 564.75 | 285.36 | 0.01 | 0.01 |
| Samsung SSD 840 PRO Series | 128 | 5537 | 3066 | 1813 | 115.87 | 81.95 | 0.04 | 0.05 |
| Samsung SSD 840 PRO Series | 256 | 5510 | 2219 | 2225 | 460.97 | 238.89 | 0.02 | 0.03 |
| Samsung SSD 840 PRO Series | 128 | 3606 | 1907 | 1056 | 253.90 | 138.93 | 0.03 | 0.04 |
| Samsung SSD 840 PRO Series | 256 | 1568 | 518 | 491 | 338.45 | 288.87 | 0.12 | 0.05 |
| Samsung SSD 840 PRO Series | 512 | 1553 | 524 | 500 | 351.94 | 120.52 | 0.11 | 0.03 |
| Samsung SSD 840 PRO Series | 256 | 1547 | 511 | 478 | 333.23 | 359.64 | 0.15 | 0.07 |
| Samsung SSD 840 PRO Series | 256 | 1481 | 507 | 469 | 299.40 | 232.57 | 0.15 | 0.07 |
| Samsung SSD 840 PRO Series | 128 | 1474 | 520 | 378 | 391.13 | 353.39 | 0.11 | 0.03 |
| Samsung SSD 840 PRO Series | 256 | 1468 | 503 | 463 | 309.60 | 282.00 | 0.12 | 0.04 |
| Samsung SSD 840 PRO Series | 256 | 1466 | 469 | 457 | 360.23 | 315.76 | 0.14 | 0.07 |
| Samsung SSD 840 PRO Series | 256 | 1456 | 509 | 468 | 224.05 | 198.57 | 0.13 | 0.06 |
| Samsung SSD 840 PRO Series | 256 | 1400 | 485 | 453 | 245.64 | 213.44 | 0.13 | 0.06 |
| Samsung SSD 840 PRO Series | 256 | 1386 | 503 | 467 | 271.42 | 152.86 | 0.16 | 0.07 |
| Samsung SSD 840 PRO Series | 256 | 1367 | 501 | 468 | 296.68 | 174.59 | 0.16 | 0.07 |
| Samsung SSD 840 PRO Series | 128 | 1357 | 503 | 370 | 315.31 | 255.96 | 0.14 | 0.07 |
| Samsung SSD 840 PRO Series | 128 | 1328 | 503 | 329 | 349.77 | 271.10 | 0.13 | 0.06 |
| Samsung SSD 840 PRO Series | 256 | 1309 | 506 | 387 | 363.72 | 168.61 | 0.13 | 0.05 |
| Samsung SSD 840 PRO Series | 128 | 1307 | 459 | 441 | 187.97 | 166.54 | 0.14 | 0.07 |
| Samsung SSD 840 PRO Series | 128 | 1291 | 479 | 381 | 329.90 | 213.27 | 0.14 | 0.08 |
| Samsung SSD 840 PRO Series | 128 | 1208 | 494 | 367 | 241.67 | 89.42 | 0.12 | 0.05 |
| Samsung SSD 840 PRO Series | 128 | 1190 | 478 | 331 | 189.56 | 157.20 | 0.23 | 0.09 |
| Samsung SSD 840 PRO Series | 256 | 1166 | 436 | 436 | 31.31 | 82.98 | 0.15 | 0.08 |
| Samsung SSD 840 PRO Series | 256 | 966 | 421 | 296 | 56.51 | 42.47 | 0.21 | 0.16 |
| Samsung SSD 840 PRO Series | 256 | 885 | 394 | 111 | 355.57 | 107.21 | 0.13 | 0.05 |
| Samsung SSD 840 PRO Series | 128 | 767 | 261 | 247 | 178.13 | 59.21 | 0.22 | 0.11 |
| Samsung SSD 840 PRO Series | 256 | 758 | 260 | 198 | 207.70 | 179.39 | 0.16 | 0.10 |
| Samsung SSD 840 PRO Series | 250 | 751 | 425 | 79 | 244.29 | 11.76 | 0.11 | 10.62 |
| Samsung SSD 840 PRO Series | 512 | 718 | 299 | 203 | 93.10 | 70.92 | 0.31 | 0.07 |
| Samsung SSD 840 PRO Series | 256 | 666 | 232 | 217 | 93.73 | 83.35 | 0.29 | 0.13 |
| Samsung SSD 840 PRO Series | 512 | 499 | 204 | 96 | 107.41 | 94.44 | 0.37 | 0.09 |
| Samsung SSD 840 PRO Series | 256 | 397 | 256 | 141 | 0.00 | 0.00 | ||
| Samsung SSD 840 PRO Series | 128 | 0 | 0 | 0 | 0.00 | 0.00 | ||
| Samsung SSD 840 PRO Series | 256 | 0 | 0 | 0 | 0.00 | 0.00 | ||
| Samsung SSD 840 PRO Series | 256 | 0 | 0 | 0 | 0.00 | 0.00 |
The Samsung SSD 840 PRO Series was a line of 2.5-inch solid-state drives (SSDs) released by Samsung Electronics between 2012 and 2014. They were among the first SSDs to use Toggle Mode DDR (Toggle DDR) NAND flash, and offered market-leading performance and reliability at the time.
Specifications:
Interface: SATA III (6 Gb/s)
Form factor: 2.5-inch (7mm)
Capacity: 128GB to 1TB
NAND flash: Toggle Mode DDR (MLC)
Controller: Samsung MDX (S4LN021X01-8030)
Read speed: Up to 540 MB/s
Write speed: Up to 520 MB/s
Random read IOPS: Up to 100,000 IOPS
Random write IOPS: Up to 80,000 IOPS
Cache: 256MB or 512MB
MTBF: 1,000,000 hours
Warranty: 3 years
Features:
High performance: The Samsung SSD 840 PRO Series offered market-leading performance at the time, with sequential read speeds of up to 540 MB/s and write speeds of up to 520 MB/s.
High reliability: The 840 PRO Series was known for its high reliability, offering an MTBF (Mean Time Between Failures) of 1,000,000 hours and a 3-year warranty.
High security: The 840 PRO Series featured several security features, including AES-256-bit encryption and TCG Opal 2.0 support.
Low power consumption: The 840 PRO Series was energy efficient, consuming only 0.2 watts in idle mode.
The Samsung SSD 840 PRO Series was a good choice for users who wanted a fast, reliable, and secure SSD with high performance. However, it was also relatively expensive, and there were more affordable SSDs on the market at the time.
Today, the Samsung SSD 840 PRO Series is outdated. There are newer and better SSDs on the market that offer higher performance, capacity, and reliability.
If you are still interested in a Samsung SSD 840 PRO Series, you should look for it on the used market. You may be able to find it for a lower price.
However, be aware that the warranty for these SSDs is likely to have expired, and they may not be performing at their full capacity.
Alternatives:
Samsung 870 QVO: This SSD offers high capacity at an affordable price.
Samsung 980 Pro: This SSD offers the best performance that Samsung currently has to offer.
Crucial MX500: This SSD is a good choice for users who want a reliable and affordable SSD.
Western Digital Blue SN570: This SSD offers good performance and value for the price.
Before buying an SSD, you should consider your needs and budget.