Processors
Intel® CoreTM 2 Duo E6550 (2.33GHz, 1333FSB, 4MB L2 cache)
Intel® CoreTM 2 Duo E6750 (2.66GHz, 1333FSB, 4MB L2 cache)
Chipset
Intel® G33 chipset
Operating Systems
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Microsoft Windows Vista
Genuine Windows Vista® Ultimate
Genuine Windows Vista® Business
Genuine Windows Vista® Home Basic
Genuine Windows® XP Home Edition
Genuine Windows® XP Professional
For more details on Dell systems that run Windows Vista, see www.dell.com/vista.
Memory
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Up to 4GB1 Dual-Channel4 DDR2 SDRAM2 (667MHz)
Graphics
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Integrated
Intel® Graphics Media Accelerator 31007
Discrete
256MB NVIDIA® GeForce® 8600 GT
256MB NVIDIA® GeForce® 8600 GTS
Hard Drives
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SATA hard drive
Up to 2 Hard Drives (Maximum 1TB8 with two 500GB hard drives)
Hard drive sizes include: 160GB or 250GB , 320GB , 500GB 7200 RPM hard drives
Optical & Other External Bay Devices
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16X DVD-ROM5 Drive
48X CDRW/16X DVDROM Combo Drive
16X DVD+/-RW Drive
48X COMBO & 16X DVD+/-RW DUAL DRIVE
16X DVD-ROM & 16X DVD+/-RW DUAL DRIVE
Dell 13-in-1 Media Card Reader
Internal Floppy Disk Drive
Audio Options
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High Definition Audio (HDA)
Integrated 7.1 Channel Audio HD
Integrated Sound Blaster Audigy HD SW Edition
Sound Blaster® X-FiTM Xtreme Gamer Windows Vista® Edition (D)
Certain system components may differ from the retail version.
External Speakers:
Dell A225 2.0 Speakers
Dell A525 2.1 Speakers with Subwoofer
Dell AS501PA Speakers for Attachment to Analog Panels
Dell AS501 Speakers for Attachment to UltraSharpTM Panels
Dell WL6000 5.1 Wireless Rear Speakers
Ports, Slots, Chassis
Back of the Vostro 400
Externally Accessible
Video: 1 VGA standard; 1 DVI and 1 S-Video with add-in PCI-Express video card
USB: 10 USB Ports (4 front, 4 back, 2 internal)
Audio: Six back-panel connectors for line-in, line-out, microphone, rear surround, side surround, two front-panel connectors for headphones/microphone, integrated 7.1 channel sound
Network: Integrated 10/100 network interface
56k9 PCI Data Fax Modem (optional)
Expansion Slots
PCI: 2 Slots
PCIe x1: 1 Slot
PCIe x16 (Graphics): 1 Slot
Chassis
300 Watt DC Power Supply
3.5” Bays: 3 bays (one external; two internal)
5.25” Bays: 2 bays
Memory DIMM slots: 4 available

Dell Vostro 400

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