Sony VAIO VGN-Z591U/B - Core 2 Duo 2.53 GHz - 13.1 " - 4 GB Ram - 320 GB HDD

General Platform Technology Intel Centrino 2 System Type Notebook Built-in Devices Wireless LAN antenna, Bluetooth antenna Embedded Security Trusted Platform Module (TPM 1.2) Security Chip , fingerprint reader Width 12.4 in Depth 8.3 in Height 1.3 in Weight 3.5 lbs Color Black Processor Processor Intel Core 2 Duo P9500 / 2.53 GHz Multi-Core Technology Dual-Core 64-bit Computing Yes Data Bus Speed 1066 MHz Chipset Type Mobile Intel GM45 Express Cache Memory Type L2 cache Installed Size 6 MB RAM Installed Size 4 GB / 4 GB (max) Technology DDR3 SDRAM - 1066 MHz Memory Specification Compliance PC3-8500 Configuration Features 2 x 2 GB Storage Hard Drive 320 GB - Serial ATA-150 - 5400 rpm Optical Storage Type BD-RE - integrated Read Speed 24x (CD) / 8x (DVD) / 2x (BD) Write Speed 16x (CD) / 8x (DVD±R) / 4x (DVD±R DL) / 2x (BD-R) / 1x (BD-R DL) Rewrite Speed 10x (CD) / 4x (DVD±RW) / 5x (DVD-RAM) / 2x (BD-RE) / 1x (BD-RE DL) Card Reader Type Card reader Supported Flash Memory Cards SD Memory Card, Memory Stick Duo Display Display Type 13.1" TFT Max Resolution 1600 x 900 Widescreen Display Yes Features X BRITE-DuraView Video Graphics Processor / Vendor NVIDIA GeForce 9300M GS / Intel GMA 4500MHD Video Memory 256 MB Total Available Graphics Memory 1300 MB Video System Features Sony Hybrid Graphic System Audio Audio Output Sound card Audio Input Microphone Notebook Camera Camera Type Integrated Input Device(s) Type Keyboard, touchpad Keyboard - Localization and Layout QWERTY Telecom Modem Fax / modem Max Transfer Rate 56 Kbps Protocols & Specifications ITU V.90, ITU V.92 Networking Networking Network adapter Wireless LAN Supported Yes Wireless NIC Intel PRO/Wireless 5100AGN Data Link Protocol Bluetooth, IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n (draft) Compliant Standards IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n (draft) Expansion / Connectivity Expansion Slots Total (Free) 2 ( 0 ) x memory 1 ( 1 ) x ExpressCard/34 Interfaces 1 x headphones - output - mini-phone stereo 3.5 mm 1 x display / video - VGA - 15 pin HD D-Sub (HD-15) 2 x Hi-Speed USB - 4 pin USB Type A 1 x microphone - input - mini-phone 3.5 mm 1 x modem - phone line - RJ-11 1 x network - Ethernet 10Base-T/100Base-TX - RJ-45 1 x IEEE 1394 (FireWire) - 4 pin FireWire 1 x docking / port replicator Miscellaneous Compliant Standards RoHS Power Power Device External Battery Technology Lithium ion Installed Qty 1 Operating System / Software OS Provided Microsoft Windows Vista Ultimate Software VAIO Music Box, AOL Online (90 days trial), Microsoft Works 9 SE, VAIO Movie Story, Microsoft Office 2007 Home and Student Edition (60 days trial), Sony Click to Disc Editor 1.0, VAIO Media Plus, Microsoft Windows Live OneCare (Trial) Environmental Standards EPA Energy Star Compliant Yes Manufacturer Warranty Service & Support 1 year warranty Service & Support Details Limited warranty - 1 year Technical support - phone consulting - 1 year