Samsung’s SSD 840 PRO Series is a high-performance SSD, capable of delivering up to 100,000 IOPS Random Read Speed and 540MB/s Sequential Read Speed—an SSD of unrivaled high performance. Built with an advanced MDX controller, Samsung’s SSD delivers high speeds regardless of data type, unlike competing controllers that greatly favor compressible data.
As the world’s #1 DRAM, NAND Flash, and SSD supplier; Samsung SSDs are designed and built completely in-house. The Samsung SSD 840 Series is optimized for exceptional, sustained performance and unrivaled reliability through its specially-engineered wear-leveling and garbage collection algorithms backed by a generous 5-year limited warranty.
The Samsung SSD 840 PRO Series provides the same excellent performance throughout its entire lifetime even under extremely heavy workloads. In fact, the sophisticated MDX controller is capable of maintaining peak performances under punishing conditions for more than twice as long the nearest competitor.
Business Friendly Features
The 840 SSD 840 PRO Series introduces three important hardware features for businesses: Worldwide Name (WWN), LED Indicator support, and AES 256-bit Full Disk Encryption (FDE). The first two features make it easier to integrate the 840 PRO SSD into server and storage systems while the AES Encryption helps safeguard data against attack. By encrypting all information on the disk at the hardware level, there is no detrimental effect on performance.
Plus, Samsung’s Magician software has been completely redesigned and includes several business-friendly features including Drive Health Status, Total Bytes Written (TBW), and Disk Scan & Error Reporting functionality. This allows IT managers to monitor drive health and plan hardware replacement cycles.
- by David_W @Oct 16, 2012
Solid State Drive
2.5" 7mm (Ultraslim) Form Factor
Sequential Read Speed
Up to 540MB/s
Sequential Write Speed
Up to 520MB/s
Random Read Speed
Up to 100K IOPS
Random Write Speed
Up to 90K IOPS
Power Consumption (W)
5V ± 5%
Windows 7 (32-bit and 64-bit), Vista, XP, MAC OSX, Linux
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Reviews from the Web
Below are reviews found on other web sites for this product submitted by customers.
It's very quick, topping a majority of our benchmark charts. Moreover, it achieves its great performance while using less power than its competition. This makes the 840 Pro the fastest, most efficient SSD we've seen to date.
The Samsung 840 Pro 256GB SSD not only looks good, it’s one of the fastest drives on the market, it’s reliable, and it’s not priced too exorbitantly either. Looks like Samsung has pulled all the stops on the 840 Pro and it’s definitely a very worthy successor to the Samsung 830. Highly recommended!
The performance and power characteristics of Samsung's SSD 840 Pro are as close to perfect as we've seen from any drive this generation. In all but a handful of benchmarks, the 840 Pro is the fastest consumer SSD we've ever tested.
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Is extremely fast. Assuming you are using as a boot drive make sure to force your motherboard to use UEFI mode only when installing the OS or it will install using the legacy BIOS mode and boot times will be much slower.
General use is great - it will speed up your system no matter what hardware you are using.
Maximum performance and the most reliable SSD on the market currently. You can't go wrong with this. If you already own a Samsung 830 series, this isn't really worth the upgrade since the 830 is already a very fast and reliable drive.
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