Apple iMac Desktop MB871LL/A 1x1TB HD, 2.66 QuadCore Xeon 8GB RAM Wireless Added*Computer has OSX El Capitan OS Installed*2.66 QuadCore Xeon*8GB RAM*2x640GB HDs and 1x1TB HD*Wireless Added**NOTE - this listing is for the computer tower only* he Mac Pro "Quad Core" 2.66 (Early 2009/Nehalem) is powered by one 2.66 GHz Quad Core 45-nm Xeon W3520 (Nehalem) processor with a dedicated 256k of level 2 cache for each core and 8 MB of "fully shared" level 3 cache.By default, it was configured with 3 GB of 1066 MHz DDR3 ECC SDRAM, a 640 GB (7200 RPM, 16 MB cache) 3Gb/s Serial ATA hard drive, an 18X dual-layer "SuperDrive" and an NVIDIA GeForce GT 120 with 512 MB of GDDR3 memory.Expansion includes two external 5.25" "optical" bays (one free by default), four internal 3.5" "cable-free, direct attach" hard drive bays (three free by default), and four PCIe 2.0 slots (one free PCIe 2.0 x16 slot and two free PCIe 2.0 x4 slots with the default single graphics card installed).Ports include five USB 2.0 ports, four Firewire "800" ports, dual Gigabit Ethernet, and both a Mini DisplayPort and a dual-link DVI port, among others. Bluetooth 2.1+EDR is standard, AirPort Extreme (802.11g/n) is optional.Although the "Early 2009/Nehalem" models look practically the same externally as the "Early 2008" models, there are major technical differences. The 64-bit "Nehalem" architecture is substantially faster and supports "Hyper-Threading" -- which "allows two threads to run simultaneously on each core" (so MacOS X recognizes eight "virtual cores" on this model) -- and "Turbo Boost" -- which "automatically boosts the processor speed based on workload" (so if an application is only using one of the four cores it will automatically increase the speed of the core in use and turn off the unused cores).It also replaces the frontside bus with a new "QuickPath Interconnect" (QPI) system described as a "bidrectional, point-to-point connection" that provides "quick access to the disk, I/O, and other Mac Pro subsystems".Other changes include four PCIe 2.0 slots (instead of two PCIe and two PCIe 2.0 slots), four Firewire "800" ports (instead of two Firewire "400" and "800" ports), and a redesigned interior case with the processors and memory on a removable "tray".Introduction Date:March 3, 2009Discontinued Date:July 27, 2010*Processors:1 (4 Cores)Architecture:64-BitGeekbench 2 (32):8269Geekbench 2 (64):9237Geekbench 3 (32):1911Geekbench 3 (32):7156Geekbench 3 (64):2073Geekbench 3 (64):8034Processor Speed:2.66 GHzProcessor Type:Q. Core Xeon W3520Details:The 64-bit 45-nm Xeon W3520 (Bloomfield/Nehalem) processor has four independent processor "cores" each with a dedicated 256k level 2 cache, 8 MB of "fully shared" level 3 cache, an integrated memory controller, and "a 128-bit SSE4 SIMD engine". It also supports "Hyper-Threading" -- which "allows two threads to run simultaneously on each core" (so Mac OS X recognizes eight total cores on this model, four real and four virtual) -- and "Turbo Boost" -- which "automatically boosts the processor speed based on workload" (so if an application is only using one of the four cores it will automatically increase the speed of the core in use and turn off the unused cores).Also see: How much faster are the "Early 2009/Nehalem" Mac Pro models than the "Early 2008" Mac Pro models?Turbo Boost:2.93 GHzCustom Speeds:2.93 GHz, 3.33 GHz*Processor Upgrade:LGA 1366 SocketFPU:IntegratedSystem Bus Speed:4.8 GT/s*Cache Bus Speed:2.66 GHz (Built-in)ROM/Firmware Type:EFIEFI Architecture:64-BitL1 Cache:32k/32k x4L2/L3 Cache:256k (x4), 8 MB*RAM Type:PC3-8500 DDR3 ECCMin. RAM Speed:1066 MHzDetails:Uses "1066 MHz DDR3 ECC SDRAM" (PC3-8500) modules.Also see: How do you upgrade the RAM in the "Early 2009/Nehalem" Mac Pro? How much RAM of what type does it support?Standard RAM:3 GBMaximum RAM:48 GB*Details:By default, 3 GB of RAM was installed as three 1 GB modules. One slot free.*As originally shipped, Apple officially supported a maximum of 8 GB of RAM but third-parties discovered that the system could actually support 16 GB of RAM using four 4 GB memory modules. On December 4, 2009, Apple "officially" began supporting 16 GB of RAM as well. Shortly thereafter, third-parties determined that the system could, in fact, support 32 GB of RAM using four 8 GB modules. Finally, third-parties have been able to support 48 GB of RAM with three 16 GB modules.In the US (and many other countries), site sponsor Other World Computing sells memory -- as well as other upgrades -- for this Mac Pro.In the UK, site sponsor Flexx sells memory and other upgrades for this Mac Pro.In Australia, site sponsor RamCity sells memory and other upgrades for this Mac Pro.Also see: Actual Max RAM of All G3 & Later Macs.Motherboard RAM:NoneRAM Slots:4Video Card:GeForce GT 120VRAM Type:GDDR3 SDRAMDetails:By default, a NVIDIA GeForce GT 120 with 512 MB of GDDR3 memory was installed in a double-wide, 16-lane PCI Express 2.0 graphics slot. It has both a Mini DisplayPort and a dual-link DVI port. By custom configuration, this model also was available with as many as four NVIDIA GeForce GT 120 graphics cards (for US$150/each after the first one) or an ATI Radeon HD 4870, also with 512 MB of GDDR5 memory, for an additional US$200. Standard VRAM:512 MBMaximum VRAM:512 MBDisplay Support:Up to 8 Displays*Resolution Support:2560x1600*Details:*With four video cards installed. By default, one NVIDIA GeForce GT 120 was installed and it can support two 30-inch displays. The default video card is capable of supporting digital resolutions up to 2560x1600 and analog resolutions up to 2048x1536.2nd Display Support:Dual/Mirroring2nd Max. Resolution:2560x1600Details:The NVIDIA GeForce GT 120 is capable of supporting two 30-inch displays with a resolution of 2560x1600 in either dual display or mirrored mode.Also see: Apple Cinema Displays.Standard Storage:640 GB HDDStd. Storage Speed:7200 RPMDetails:By default, this system shipped with a single 640 GB (7200 RPM, 16 MB cache) Serial ATA 3Gb/s hard drive.Also see: How do you upgrade the hard drives in the Mac Pro models? How many drives of what type are supported?In the US (and many other countries), site sponsor Other World Computing sells storage upgrades for this Mac Pro.In the UK, site sponsor Flexx sells storage upgrades for this Mac Pro.In Australia, site sponsor RamCity sells storage upgrades for this Mac Pro.In Southeast Asia, site sponsor SimplyMac.sg sells storage upgrades for this Mac Pro.Also see: SSD Compatibility Guide for All G3 & Later Macs.Storage Dimensions:3.5" (25.4 mm)Storage Interface:Serial ATA (3 Gb/s)Standard Optical:18X DL "SuperDrive"Standard Disk:NoneStandard Modem:NoneStandard Ethernet:Gigabit (x2)Details:External Apple USB Modem offered for US$49. The system has "two independent 10/100/1000BASE-T [Gigabit] Ethernet (RJ-45) interfaces with support for jumbo frames."Standard AirPort:802.11a/b/g/n (Opt)Standard Bluetooth:2.1+EDRUSB Ports:5 (2.0)Firewire Ports:4 (800)Expansion Slots:4 PCIe 2.0, AP*Expansion Bays:4 3.5", 2 5.25"Details:*This model has four full-length PCI Express (PCIe) 2.0 expansion slots, two x16 slots and two x4 slots. In the default configuration, one PCIe 2.0 x16 slot is occupied by the graphics card. Apple also reports that "all slots provide mechanical support for 16-lane cards" and there is a "300W combined maximum for all PCI Express slots."AirPort Extreme (802.11g/n) additionally could be installed at extra cost.In the default configuration, one internal 3.5" bay is occupied by a hard drive and three are free, and one external 5.25" bay is occupied by a "SuperDrive" and the other is free.Also see: How many PCI slots of what type are provided by each Mac Pro model? How do you install a PCIe card in the Mac Pro?In the US (and many other countries), site sponsor Other World Computing sells a wide variety of internal and external expansion options and hand-picked accessories ranging from internal PCIe cards to external storage, stands, keyboards, cables, adapters, and more for this Mac Pro.In Australia, site sponsor Macfixit offers an extensive selection of external expansion options and accessories like docks, stands, chargers, keyboards, and security products (as well as some PCIe cards) for this Mac Pro.Incl. Keyboard:Apple Aluminum KBIncl. Input:Mighty MouseCase Type:TowerForm Factor:Mac ProApple Order No:MB871LL/AApple Subfamily:Early 2009Apple Model No:A1289 (EMC 2314)Model ID:MacPro4,1Details:Please note that these identifiers refer to more than one model.Also see: All Macs with the A1289 Model Number, the 2314 EMC Number, and the MacPro4,1 Model Identifier. For more about these identifiers and how to locate them on each Mac, please refer to EveryMac.com's Mac Identification section.Battery Type:N/ABattery Life:N/APre-Installed MacOS:X 10.5.6 (9G3553)Maximum MacOS:X 10.11.x*Minimum Windows:XP SP2 (32-Bit)*Maximum Windows:8.1 (64-Bit)*MacOS 9 Support:NoneWindows Support:Boot/VirtualizationDetails:Also see: Are there any third-party programs to run Mac OS 9/Classic applications on Intel Macs?Site sponsor OHS specializes in heavily upgraded Macs capable of running both Mac OS X and Mac OS 9 applications.For more on running Windows on Intel Macs, please refer to the exhaustive Windows on Mac Q&A.Dimensions:20.1 x 8.1 x 18.7Avg. Weight:39.9 lbs. (18.1 kg)Original Price (US):US$2499Est. Current Retail:US$600-US$900Brand
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