| 2,3 2nd Generation Intel® Core™ i5 and i3 Processors, Intel® Pentium® Processors, Intel® Celeron® Processors (Select processors | support Intel® VPro™ Technology) | Intel® Q67 Express | Four DIMMs, dual-channel; Standard non-ECC DDR3 PC3-10600 (1333 MHz) and PC3-8500 (1066 MHz) memory; supports up to 16 | Dual channel memory configurations supported for enhanced performance. When memory is labeled DDR 800 MHz, it | will clock down to run at 667 MHz system speed | 320 GB SATA 6.0GB/s hard drive (7200 rpm) SMART IV, 2.5; available 128 GB or 256 GB 2.5” Solid State Drive or 32 GB Flash Drive | HP DVD-ROM Drive, HP SuperMulti DVD Writer Drive, Blu-ray Writer Drive; optional HP 22-n-1 Media Card Reader | visual10 Rear-line input (supports microphone or line input), lineout; line-out used if CFD installed; High Definition Audio with Realtek | ALC261 codec (all ports are stereo); SRS Premium Sound audio management technology; Multi-streaming capable; Dual Internal | Display panel: 15-inch diagonal |