Plextor M6e Series 256GB PCI Express Internal Solid State Drive PX-AG256M6e Capacity: 256 GB Interface: PCI-Express 2.0 x2 DRAM Cache: 512MB DDR3 Lightning-fast boot-up times, application launches, and system responsiveness for an unbeatable feeling of speed Maximum reliability with industry's highest 5 year warranty. Take the M6e to the limits with Plextor's best quality components and extensive failure testing Sequential Read Speed: 770 MB/s - Sequential Write Speed: 580 MB/S - Random Read Speed: 105,000 IOPS - Random Write Speed: 100,000 IOPS