TRIM Performance: While SSDs offer many benefits, there are some downsides to using flash memory. One of the biggest issues people run into is performance degradation. Over time, an SSD will run out of fresh blocks and will have to write over data the file system has marked as deleted.

Equipped with 3-bit 3D V-NAND; Available in 120GB; 250GB; 500GB and 1TB capacities; Features RAPID mode and TurboWrite technology; Excellent sequential read and write speeds under most conditions; Good random read performance; Performs equally well with compressible and incompressible data; Good...

Mediocre random write performance; RAPID mode is Windows only

Throughout testing, the 1TB Samsung 850 EVO has proven to be quite the performer. Utilizing the same controller as the 850 Pro and 840 EVO, we were able to see great speeds in our synthetic tests. Reads and writes both pushing past 500MB/s.

Once again, Samsung delivers a great product, taking the lead in the SSD space with its advanced technology. 3D V-NAND is really a game changer. The 3rd TCL generation offers pretty much everything the consumer would want to see from an SSD, performance, high endurance, encryption, low power...

After we reviewed the 850 Pro 512GB model and heard that Samsung would also send us the 850 EVO 500GB we thought that there would be a sufficient performance gap between those two to "justify" both the different target areas and the difference in price.

- Build Quality / Endurance (150TBW / 1 Million Hours MTBF; - Excellent Overall Performance; - Features (TurboWrite/RAPID Mode/eDrive Support; - Samsung Magician Software; - 5 Year Warranty; - Available In 1TB

- Price (For Some

Can Samsung pull off a "three-peat?" The Seoul, South Korea-based memory giant this week unveiled the 850 EVO series, its latest solid-state drives for professionals and consumers that Samsung claims will deliver unmatched performance and endurance due to its 3-bit vertical NAND stacked-cell...

The Samsung 850 EVO is the latest in its affordable line of performance SSDs and shows Samsung's desire to push the solid state game along, even at the lower end of the price/performance stack.

It's been only a few short months since Samsung's 850 Pro delivered the company's long-lasting 32-bit 3D NAND to the high-end/corporate market.

3D NAND promise drive longevity; Good performance for the price

RAPID software creates a risk of data loss

Samsung is at the ready with a brand new family of mainstream solid state drives, targeting the market segment previously occupied by its popular SSD 840 EVO series. The new Samsung SSD 850 EVO series is the follow-up to the company's current flagship SSD 850 PRO , but the new EVO is Samsung's first...

There are only a few names in the industry that build exceptional SSDs that are affordable and very reliable these days, Toshiba, Plextor, OCZ, Micron, the latest Corsair SSDs and then there is Samsung.

Samsung has an excellent overall package here, with great features, innovative technologies, performance, and durability.

Slim form factor; Very fast out of the box; Blistering fast with RAPID Mode enabled; Data Migration software; Large capacity

Modest price premium