The Samsung 830 was a solid-state drive in the 2.5" form factor, launched in September 2011, that is no longer in production. It was available in capacities ranging from 64 GB to 512 GB. This page reports specifications for the 256 GB variant. With the rest of the system, the Samsung 830 interfaces using a SATA 6 Gbps connection. The SSD controller is the MCX (S4LJ204X01) from Samsung, a DRAM cache chip is available. Samsung has installed MLC NAND flash on the 830, the flash chips are made by Samsung. To improve write speeds, a cache is used, so bursts of incoming writes are soaked up more quickly. The 830 is rated for sequential read speeds of up to 520 MB/s and 400 MB/s write; random IOPS reach up to 80K for reads and 36K 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. The TBW rating for the Samsung 830 256 GB is unknown, too.