Samsung announces SSD 845DC PRO solid-state drive line
Samsung has announced a new solid-state drive line that makes use of the company’s 3D V-NAND flash memory technology. This time, however, the new line targets the corporate market segment and comes under the SSD 845DC PRO brand name. Unlike the earlier released 3D V-NAND flash SSD 850 PRO line, the SSD 845DC PRO makes use of 24-layer 3D V-NAND memory.
The new solid-state drive line joins the corporate-oriented SSD 845DC EVO line that was released a while ago. Samsung markets these solid-state drives as “data center” because they have been designed to handle hefty storage needs in the content delivery, server and media workstation spaces. Based on 2-bit MLC 24-layer 3D V-NAND memory they offer low power consumption and high performance for mixed and write intensive loads. Currently there are two capacities only – 400 GB and 800 GB, which means that Samsung uses massive overprovision on its drives to further enhance endurance and performance. The 400 GB model comes with 512 MB of cache, while the more spacious 800 GB model offers 1 GB of DRAM cache. In both cases, however, the drives come with Samsung’s own MDX memory controller, 7 mm of thickness and support for the common 2.5-inch form factor and SATA 3.0 technology.
Speaking of performance, here’s what you can expect – 530 MB/sec of read speed and 460 MB/sec of write speed for both drives. Random 4K read performance is around 92 000 IOPS, while random 4K write performance is 50 000 IOPS for the 400 GB model and 51 000 IOPS for the 800 GB model. Both SSDs come with a warranty of 5 years but Samsung is so sure in its drives that the company allows writing of 7.3 PB for the 400 GB model and 14.6 PB for the 800 GB model before the warranty is invalidated.
The new SSD line will be commercially available sometime this month. There’s no information on pricing but a Samsung representative has estimated that the drives will cost between USD 1.50 and USD 2.00 per gigabyte.