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SSD Performance and Reliability at HDD Cost

Samsung Enterprise Solid State Drives (SSDs) are being used increasingly as data storage media in computing, communication, and multimedia devices. Most SSDs use NAND Flash memory as the storage media, which is capable of retaining data without an external power supply. A typical SSD consists of two main components: the data storage device and a controller for the storage device that acts as an interface between the SSD and the host system. The SSD controller manages the interfaces from both the host side and the device side, which includes mapping bad data blocks, caching read/write data, and error checking and correction (ECC); and the controller's built-in ROM contains the firmware needed to control the drive. An SSD is an example of an embedded system, and needs a Real-Time OS (RTOS) for its operation. Several open source and proprietary firmware solutions are available for SSD controllers

The primary advantage of using Samsung SSDs is their lack of moving parts, resulting in extremely short startup and shutdown/standby times. SSDs offer superior reliability compared to traditional Hard Disk Drives (HDDs). Advances in semiconductor flash memory technologies have enabled the development of SSDs that are equal in capacities to HDDs and can be used as direct replacements. SSDs also prove to be highly cost effective in-use due to their much lower power consumption and maintenance costs. As the world leader in semiconductor memory technology, Samsung offers a comprehensive range of SSDs for deployment in a wide range of devices across every industry segment.


Samsung PM1633a SAS SSD delivers:

  • Consistently High Performance
    Up to 1,000 times the performance of the fastest 15K RPM hard drives, the Samsung PM1633a SAS SSD provides enterprise IT administrators performance to spare. An optimized Samsung native SAS 3.0 controller supplies the drive with 12 Gb/s of bandwidth and provides enterprises the performance margin to prevent costly and disruptive application support tickets.

  • Exceptional Value
    The same low cost per gigabyte as slower SAS HDDs. By utilizing Samsung state-of-the-art 3D V-NAND flash memory, cost effective TLC flash memory can address high-end enterprise applications, outperforming older planar MLC flash memory, and providing solid state performance and reliability at hard drive cost. With no moving parts, the PM1633a SAS SSD delivers over 10 times the reliability of spinning disks, reducing the administrative cost overhead associated with drive replacement.

  • Breakthrough Storage Density
    Capacities up to 16TB in a 2.5” small form factor (SFF) drive. With 60% higher capacity per drive, and a smaller 2.5” form factor, up to 384TB can be stored in a 2U server. This breakthrough in storage density more than triples the density available with high-capacity HDDs, using an industry standard form factor, and
    without sacrificing enterprise reliability, availability, and serviceability (RAS).

Technical Specifications

Model Samsung PM1633a SSD
Form Factor 2.5 SFF
Capacity 480 GB, 960 GB, 1.92 TB, 3.84 TB, 7.68 TB, 15.36 TB
Host Interface SAS 3.0 @ 12 Gb/s
MTBF 2,000,000 hours
Power Consumption (Active/Idle) 11 W / 4.5 W
Endurance 1 DWPD for 5 Years
UBER 1 in 10^17
Random Read Up to 195,000 IOPS
Random Write Up to 31,000 IOPS
Sequential Read Up to 1,200 MB/s
Sequential Write Up to 900 MB/s
Physical Dimensions 70 x 100 x 15 mm
Weight 140 grams