OWC / Other World Computing Mercury Accelsior E2 240GB PCIe Solid State Drive Card, Dual eSATA 6Gb/s Ports OWC / Other World Computing Mercury Accelsior E2 240GB PCIe Solid State Drive Card - 2x SSD Blades - Quick Start Guide - OWC / Other World Computing 3 Year Limited Warranty Compatibility: Compatible with all eSATA equipped storage solutions Controller: Dual LSI SandForce SF-2281 series processors with 7% Over Provisioning NAND: Tier 1 Major Multi-Level Cell (MLC) High-Performance Sync-NAND Flash Form Factor: Low Profile PCI Express