The Samsung 470 Series was a solid-state drive in the 2.5" form factor, launched in 2009, that is no longer in production. It is only available in the 256 GB capacity listed on this page. With the rest of the system, the Samsung 470 Series interfaces using a SATA 3 Gbps connection. The SSD controller is the S3C2400 (S3C29MAX01-Y340) from Samsung, a DRAM cache chip is available. Samsung has installed MLC NAND flash on the 470 Series, the flash chips are made by Samsung. The 470 Series is rated for sequential read speeds of up to 250 MB/s and 220 MB/s write; random IO reaches 31K IOPS for read and 21K for writes. The SSD's price at launch is unknown. The warranty length is set to three years, which is above average, but shorter than the five years offered by many other vendors. Samsung guarantees an endurance rating of 22 TBW, a very low value compared to other SSDs.