OWC / Other World Computing Mercury Accelsior E2 480GB PCI Express High-Performance SSD, 780 MB/s Read Speed and 763 MB/s Write Speed at Sandy Bridge (PC) Other World Computing Mercury Accelsior E2 480GB PCI Express High-Performance Internal SSD - Mercury Accelsior E2 PCIe Card - 2x Mercury Accelsior SSD Blades - Requires 6Gb/s Certified Cables for Connecting to eSATA Drives - Quick Start Guide - Other World Computing 3 Year Limited Warranty 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 PCIe Capacity: Total Capacity: 480GBTotal Flash Memory Components: 512 GB32GB allocated to real-time data redundancy & error correction