Seller: auctionseller109 (15,235) 99.8%, Location: Liberty Hill, Texas, Ships to: US, Item: 370510563139 New Dell Optiplex 755 Desktop Motherboard Part # DR845 NEW OEM System Board Socket 775 Hyper-Threading Technology Support This was removed from a NEW system with cosmetic damage on the outside of the case. It has been tested with Dell’s 32 bit diagnositics. Please check you part numbers for equivalent part numbers. We got some conflicting information on the Internet. You will receive this exact part number # DR845 It comes complete with a CD disk downloaded from Dell with the manual and latest drivers. It will be sealed in an anti-static bag. 30 Day Warranty Please be advised that it does take some expertise to install a motherboard. This warranty will be VOID if not installed by a qualified computer technician. Please read our policies below specifications! Desktop Computer Specifications (from Dell) User's Guide Microprocessor (not included) Microprocessor type The following are supported: Intel® Core™2 Intel vPro™ Intel Celeron® Internal cache L1: up to 128 KB; L2: up to 8 MB (depending on your processor) Memory (not included) Type 667-MHz or 800-MHz DDR2 SDRAM Memory connectors 4 Memory modules supported 512 MB, 1 GB, or 2 GB non-ECC Minimum memory dual-channel: 1 GB; single-channel: 512 MB NOTE: 512 MB is the minimum shipping configuration. Maximum memory 64-bit operating system: 8 GB 32-bit operating system: 4 GB BIOS address F0000h Computer Information Chipset Intel Q35 Express Chipset w/ICH9DO Data bus width 64 bits Address bus width 32 bits DMA channels eight Interrupt levels 24 BIOS chip (NVRAM) 32 Mb NIC integrated network interface with ASF 1.03 and 2.0 support as defined by DMTF Capable of 10/100/1000 communication iAMT 3.0 Video Type Intel Graphics Media Accelerator 3100 (integrated on system board) PCI Express x16 slot can support either a PCI Express graphics card or a DVI graphics card (for dual-monitor support) Audio Type ADI 1984 High Definition Audio Stereo conversion 24-bit analog-to-digital; 24-bit digital-to-analog Controllers Drives three SATA controllers and one eSATA controller supporting one device each Expansion Bus Bus type PCI 2.3 PCI Express 1.0A SATA 1.0A and 2.0 USB 2.0 Bus speed PCI: 133 MB/s PCI Express x16: 8 GB/s bidirectional speed SATA: 1.5 Gbps and 3.0 Gbps USB: 480 Mbps Cards standard configuration supports low-profile cards only; with optional riser-card cage, computer supports half-length, full-height cards. Full-height cards are supported in the 6.875-inch riser card cage. PCI: without riser-card cage connectors two card size low profile connector size 120 pins connector data width (maximum) 32 bits PCI Express: without riser-card cage connectors one x16 card size low profile power 25 W (maximum) connector size 164 pins (x16) connector data width (maximum) 16 PCI Express lanes (x16) PCI and PCI Express: with optional, full-height PCI Express riser-card cage, supporting both low-profile and full-height cards PCI connectors two card size one low-profile card and one full-height card connector size 120 pins connector data width (maximum) 32 bits PCI Express connectors one x16 card size full-height power 25 W maximum connector size 164 pins (x16) connector data width (maximum) 16 PCI Express lanes (x16) PCI only: with optional, full-height PCI riser-card cage, supporting both low-profile and full-height cards connectors three PCI card size one low-profile card and two full-height cards connector size 120 pins connector data width (maximum) 32 bits eSATA Drives Externally accessible one One eSATA drive (optional) Internally accessible two SATA (Serial ATA) hard drives one3.5-inch floppy drive or media card reader one SATA optical drive Connectors External connectors: Serial 9-pin connector; 16550C-compatible Parallel 25-pin connector (bidirectional) Video 15-pin VGA connector Network adapter RJ45 connector Optional PS/2 with secondary serial port adapter two 6-pin mini-DINs USB two front-panel and six back panel USB 2.0–compliant connectors Audio two connectors for line-in/ microphone and line-out; two front-panel connectors for headphones and microphone System board connectors: SATA three 7-pin connectors eSATA one 7-pin connector Internal USB 10-pin header for optional media card reader (in 3.5-inch drive bay) Floppy drive 34-pin connector Serial 12-pin connector for optional secondary PS/2 serial port card Fan 5-pin connector PCI Express one 120-pin (x16) connector PCI 2.3 two 120-pin connectors Front panel 40-pin connector A few policies from AuctionSeller109: 1. NO International Sales. We ship only in the United States. If you live in Alaska, Hawaii, Puerto Rico, or other US territory—we require an additional $3.00 and payment with the priority shipping option. 2. If you pay with Pay Pal, we will ship only to the listed Pay Pal address once the payment is cleared. If you have a non-USA Pay Pal account or a Pay Pal account that is funded with non-USA money---do not bid. We do NOT accept payment from non-USA accounts. 3. If something is wrong with the product and a warranty is noted in the ad, contact us for a return authorization number. If the item is defective, we will repair or replace it. We will refund your money ONLY if we do not have another in stock. If the returned item is NOT defective, you may pay shipping charges to have the item returned to you or pay a 25% re-stocking fee. Shipping and handling fees are non-refundable in all circumstances. Shipping costs are the buyer's responsibility. If the item is defective or we made some error, we will pay to return it to you. 4. We ship often - at least by the 3rd business day - usually sooner. Sorry, we do not combine shipping. If stated in the ad, we will combine on multiples of the same exact item in the same auction. We will mark the item shipped after it is sent so please check the e-bay auction site so you will know when to expect it. We generally use the USPS, but on larger items or those with more quantity, we will ship with either UPS or FedEx. We try to support our local post office, so we do not have an automated system of sending out USPS delivery confirmation numbers. We personally take all items to the local post office. If your item is overdue—longer than the maximum as stated next to the method of shipping you selected—please contact us. We will retrieve the delivery confirmation slip and send you the information. 5. We try hard to please our customers. If you have a problem with the product, please contact us. Batteries or date expired products are not covered under warranty.