Compare Lenovo ThinkStation C20 (426592U) PC Desktop to Toshiba Pt42nu-00c004 R845-s95 I5-2450m 2.5g 6gb 64 (DHM645S4118X) PC Desktop

Genuine Windows 7 Home Premium 64-bit, Intel Pentium Processor G620, 2. 0GHz, Intel H61 PCH Chipset, 3MB Cache, DMI 5. GT/s, 4GB PC3-10600 DDR3 SDRAM memory (2x2GB) (expandable to 8GB), 500GB 7200RPM Serial ATA hard drive, Slot-load SuperMulti DVD Burner 8x DVD-R, 8x DVD+RW, 6x DVD-RW, 6x DVD R DL, 5x DVD-RAM, 8x DVD-ROM, 24x CDR, 24x CDRW, 24x CD-ROM, Intel HD Graphics, Up to 1696MB Total Available Graphics Memory as allocated by Windows, Onboard 10/100/1000Mbps Gigabit Ethernet Support, Wireless LAN 802. 1b/g/n featuring Single-band (2. Ghz) 2x2 MIMO technology, Beats Audio Studio Quality Sound -- Hear music the way the artist intended, Integrated speakers, 2 SODIMM (DDR3) (occupied), 2 SO-DIMM (occupied), 1 MXM Graphics Module PCI Express slot (available), 2 PCI-E x1 mini socket slots (one available), 6-in-1 memory card reader (left side) ? supports Secure Digital (SD, SDHC), MultiMedia Card, Memory Stick, Memory Stick Pro, Headphone/Mic (left side), 7 USB 2. ports (2x3. left side, 4x2. rear, 1x2. Less