Operator Headgap Systems Resale Store


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Order online or by FAX 405-445-0796. Mail orders hit the HELP button to read ordering instructions.

We accept School & Institutional P.O.'s for orders over $100. Discounts for large quantities are available. Call for a quote.

Upgrading the Office? Sell or Trade In Your Old Mac (G3 or better)! We buy quantities of Mac systems & components. Email your list for a quote!

Low End Macs have valuable information about legacy Mac Systems

Our friends at Low End Macs have valuable information about legacy Mac Systems. Click the button to visit their site.

Our friends at EveryMac.com have valuable information about legacy Mac Systems including the original specifications of many of the machines we sell. Click the button to visit their site.

24" iMac Aluminum Core 2 Duo 2.66Ghz 4GB RAM, 640GB HD, DVD Burning SuperDrive, 256MB Graphics, AirPort, w/Webcam, Bluetooth

LARGER 24" SCREEN! Bargain price on a nice clean iMac "Core 2 Duo" 2.66 24-Inch Aluminum (Early 2009) features a 2.66 GHz Intel "Core 2 Duo" processor, with two independent processor "cores" on a single silicon chip, a 6 MB shared level 2 cache, a 1066 MHz system bus, 4 GB of RAM (1066 MHz DDR3 SDRAM), a 640 GB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD±R DL "SuperDrive", NVIDIA GeForce 9400 graphics with 256 MB of dedicated GDDR3 memory, a built-in iSight video camera, and built-in stereo speakers underneath the 24" glossy TFT Active Matrix LCD (1920x1200 native) display. 1 Firewire 800 port, 4 USB 2.0 port on the Early 2009 models, Mini DisplayPort. These units take faster DDR3 memory. Units have two RAM slots supporting up to 8 GB of RAM. El Capitan 10.11.6 capable will work with OSX versions as early as 10.6 Snow Leopard. Keyboard and Mouse (will be aftermarket). Our SuperSink DVD chock full of Freeware and Shareware is included. $750-850 Value, Our $599.77 price includes domestic shipping. Add RAM - 4GB RAM Units $59.77 each. Call for custom configurations. ONE ONLY ORDER NOW!


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: imac242009

Unit Price: $599.77

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iMac 20" Aluminum Core 2 Duo 2.4 GHz, 2GB RAM, 250GB HD, DVD Burner SuperDrive, AirPort WirelessN, w/Webcam & Bluetooth, includes shipping!

LOWEST EVER PRICE! Great system for home, or office! Run up to EL CAPITAN 10.11.6! The built-in 20-inch glossy widescreen TFT active-matrix LCD offers an impressive 1680x1050 resolution and has all the Apple software you need with iPhoto, iMovie, iTunes, iPhoto, and GarageBand included! These iMacs is powered by an Intel Core 2 Duo 2.4 GHz processor and 2 GB DDR2 SDRAM so it can handle all your computing tasks with ease! Store your multimedia life on its 250 GB 7200 RPM hard drive and compute in a simple and easy-to-use environment with OSX 10.6.8 pre-installed. Load more software, music, photos, and data with the built-in slot-loading DVD±RW DL SuperDrive. Snap pictures and video-chat with friends and family using the built-in iSight camera. Connect to high-speed networks and the Internet with the built-in AirPort Extreme N wireless and built-in 10/100/1000BASE-T Gigabit Ethernet. Add wireless peripherals with Bluetooth 2.1+EDR support. Firewire 800/400, 3 USB 2 ports. OSX10.11 El Capitan capable comes with OSX 10.6.8 Snow Leopard preinstalled (call for options). Aftermarket Keyboard and Mouse included. Our SuperSink DVD chock full of Freeware and Shareware is included. VALUE $399.77 LOWEST EVER $299.77 price includes domestic shipping. These units use the faster 6400 RAM upgrades: 2 slots comes with 2 1GB chips, add a 4GB stick for $109 or 2 GB stick for $32 Max. 6GB. We can install the new SUPERFAST Hybrid 1 or 2 TB Hard Drives (call).


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: iMacAlum20-2.4

Unit Price: $299.77

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iMac 20" Aluminum Core 2 Duo 2.66 GHz, 2GB RAM, 320GB HD, DVD Burner SuperDrive, AirPort WirelessN, w/Webcam & Bluetooth, includes shipping!

Great FASTER system for home, school or office! FASTER Penryn Processors! The built-in 20-inch glossy widescreen TFT active-matrix LCD offers an impressive 1680x1050 resolution and has all the Apple software you need with iPhoto, iMovie, iTunes, iPhoto, and GarageBand included! These iMacs is powered by an Intel Core 2 Duo 2.66 GHz processor with two independent processor "cores" on a single silicon chip, a 6 MB shared level 2 cache and 2 GB DDR3 SDRAM so it can handle all your computing tasks with ease! Store your multimedia life on its larger 320 GB 7200 RPM hard drive and compute in a simple and easy-to-use environment with OSX 10.6.8 pre-installed. Load more software, music, photos, and data with the built-in slot-loading DVD±RW DL SuperDrive. Snap pictures and video-chat with friends and family using the built-in iSight camera. Connect to high-speed networks and the Internet with the built-in AirPort Extreme N wireless and built-in 10/100/1000BASE-T Gigabit Ethernet. Add wireless peripherals with Bluetooth 2.1+EDR support. 1 Firewire 800, 4 USB 2 ports. FAST graphics with 256 MB of memory, and built-in stereo speakers underneath the 20" glossy TFT Active Matrix LCD (1680x1050 native) display. Up to OSX10.11 El Capitan capable (more RAM required) comes with OSX 10.6.8 Snow Leopard preinstalled (call for options). Aftermarket Keyboard and Mouse included. Our SuperSink DVD chock full of Freeware and Shareware is included. EVEN LOWER $449.77 price includes domestic shipping. These units use 2 slots comes with 2 1GB chips, Upgrades: 2 slots comes with 2 1GB chips, add a 4GB stick for $115 or 2 GB stick for $40 6GB Maximum. Optionally we can install the new 1 or 2 Terabyte Seagate Hybrid Drives for more capacity and speed. Call for options.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: iMacAlum20-2.66

Unit Price: $449.77

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21.5" iMac Core i7-Quad-Core 3.1Ghz, 16GB RAM, 1TB HD, NVIDIA 512MB, Airport, Webcam & Bluetooth. FAST and THIN!

THIS IS THE FASTEST MAC I HAVE EVER USED! This 21.5" iMac Core i7-Quad-Core 3.1Ghz Aluminum features a 22 nm Quad Core 3.1 GHz Intel "Core i7" I7-3770S (Ivy Bridge) processor with four independent processor cores on a single chip, an 8 MB shared level 3 cache, This one was STUFFED at purchase time with 16 GB of 1600 MHz DDR3 SDRAM, a 1 TB (5400 RPM) hard drive, and a NVIDIA GeForce GT 650M graphics processor with 512 MB of dedicated GDDR5 memory. It also has a built-in "FaceTime HD" webcam and stereo speakers, NO OPTICAL DRIVE, too thin (call for options). This model has a 21.5" 1920x1080 LED-backlit 16:9 widescreen IPS display with the "cover glass fully laminated to the LCD and anti-reflective coating." The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges. Connectivity includes four USB 3.0 ports, dual Thunderbolt ports, Gigabit Ethernet, 802.11n, and Bluetooth 4.0. This iMac model include a compact aluminum Apple Wireless Keyboard and a Mouse. Will take OSX10.8 Mountain Lion up to the latest, OS10.13 High Sierra preinstalled (call for options). VALUE $1299, $999.77 price includes domestic shipping. 90 day warranty on systems. Want a larger iMac, we special order and build to suit! Call! ONE ONLY! ORDER NOW!


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: imac21.5i7Quad

Unit Price: $999.77

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iMac Aluminum 21.5" Core i3 Dual-Core 3.06GHz, 4GB RAM, 500GB HD, SuperDrive, Radeon HD 4670 AirPort Wireless-N, Bluetooth w/Webcam, Keyboard & Mouse

$100 LOWER SPECIAL PURCHASE and FAST iMac "Core i3" 3.06 21.5-Inch Aluminum (Mid-2010) is powered by a dual core 3.06 GHz Intel "Core i3" I3-540 (Clarkdale) processor with a dedicated 256k level 2 cache for each core and a 4 MB shared level 3 cache. In lieu of a system bus, it has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" at 2.5 GT/s. Our refurbished unit is configured with 4 GB of RAM (1333 MHz PC3-10600 DDR3 SDRAM), a 500 GB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD±R DL "SuperDrive", and ATI Radeon HD 4670 graphics with 256 MB of dedicated GDDR3 memory. It also has a built-in iSight video camera and built-in stereo speakers underneath the 21.5" glossy 16:9 LED-backlit TFT Active Matrix LCD (1920x1080 native) display "with IPS technology". Connectivity includes four USB 2.0 ports, a Firewire "800" port, built-in AirPort Extreme (Wireless N), and Gigabit Ethernet, as well as an audio capable Mini DisplayPort, which supports an external display up to 30" (2560x1600). Built-in Bluetooth 2.1+EDR. Built-in Microphone. Externally, this iMac uses "edge-to-edge" glass design and "seamless all aluminum enclosure". This iMac includes a new iKey Keyboard and Logitech Mouse" OSX 10.12 SIERRA capable comes with OSX 10.6.8 Snow Leopard preinstalled (call for options). Our SuperSink DVD chock full of Freeware and Shareware is included. VALUE $949 WAS $799 REDUCED PRICE $699.77 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: iMaci5DualCore306-21.5

Unit Price: $699.77

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Apple iMac Core 2 Duo T7200 2.0GHz 1GB 160GB Combo DVD/CD-RW Radeon X1600 17" AirPort OS X w/Webcam

TRUCKLOAD SALE! FASTER UNIT LOWER BARGAIN PRICE, Limited Quantities, Order NOW! Lion capable. Great for School or Home, Apple iMac adds a nice touch to any room in the house while offering high performance to keep you productive and entertained! Backed by an Intel Core 2 Duo 2.0 GHz processor and 1 GB DDR2 5300 SDRAM, this Apple iMac is ready to go. The 160 GB SATA hard drive provides plenty of storage for your data and multimedia files. Nicely configured with 10.6.8 Snow Leopard and is ready to upgrade to Lion (more RAM required, call for options). Backup data and burn CDs with the slot-loading Combo DVD/CD-RW drive. Connectivity includes three USB 2.0 ports, two Firewire "400" ports, built-in AirPort Extreme, and Gigabit Ethernet, as well as mini-DVI, which supports an external display in "extended desktop" mode (rather than just "mirrored mode"). Chat with friends and family over the Internet using the iSight camera. Enjoy bright and clear images on the 17-inch widescreen LCD display. An keyboard and mouse are included. Size 8.6"x19.4"x7.34"(HxWxD, approx.). Our SuperSink DVD chock full of Freeware and Shareware is included. Was $329 Special $219.77 price includes domestic shipping. Upgrade to 2GB RAM for $30. ASK CHERYN FOR THE RAM UPGRADE SPECIAL.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: iMacT7200

Unit Price: $219.77

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Apple iMac Core Duo T2400 1.83 GHz 1.0 GB RAM, 160GB HD, SuperDrive, 17" AirPort, w/Webcam

LOWER PRICE BARGAIN and Backed by an Intel Core Duo T2400 1.83 GHz dual-core processor and 1.0 GB DDR2 RAM, this Apple iMac is ready to power through workloads and applications! The 160 GB SATA hard drive provides plenty of storage for your data and multimedia files. Use the slot-loading SuperDrive to record and store data on CD media, install DVD software, and even watch your favorite DVD movies. Its slim form factor case feature a 17-inch widescreen TFT active matrix display with a 1440 x 900 resolution! Connect to the Internet via integrated 10/100/1000BASE-T Gigabit Ethernet LAN or enjoy wireless connectivity with 802.11g AirPort Extreme. Chat with friends and family over the Internet using the iSight camera! Includes a keyboard and mouse. Nicely refurbished and configured with OSX 10.6.8 Snow Leopard preinstalled (latest version capable). Our SuperSink DVD chock full of Freeware and Shareware is included. Was $249.77 SPECIAL $199.77 price includes domestic shipping. Upgrade to 2GB RAM for $30. ASK CHERYN FOR THE RAM UPGRADE SPECIALS!


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: IMACT2400

Unit Price: $199.77

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1 Terabyte Black Bullet Aluminum Firewire 400, USB2 Hard Drive, IN STOCK!

HIGH SPEED! Brand new 7200 rpm 1 TB mechanisms and they are in stock now! Our Black Bullet Aluminum Drives feature an all aluminum housing with external power supply to keep the heat out of the housing. These units use a small thermal pad to dissipate drive heat via the housing. We build our external hard drives to be a fast, but affordable high capacity storage solution. They come with Firewire 400, as well as high-speed USB 2.0 ports for the widest possible range of compatibility. We install a new 1 Terabyte Seagate or Hitachi hard drive mechanism. Includes 2 Firewire 400 ports so you can daisy chain them. Includes the cables, USB 2.0 A-B cable, IEEE 1394 6p-6p cable. REQUIRES Mac OS8.6 or later, OSX compatible (comes Mac HFS Extended formatted for PPC, can be GUID formatted for INTEL on request) El Capitan tested, Windows 98SE/ME/2000/XP/Vista/7, Firewire 400, or USB Port. Our SPECIAL 129.77 includes domestic shipping! We can install new Seagate Hybrid +$20 call.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: Bullet1TB

Unit Price: $129.77

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Apple Pro Optical Mouse (White) Used-$19.88 shipped

Back in stock! This used Apple Optical Pro Mouse (white) can be used with all USB-equipped Apple Computers. The Apple Pro Mouse has no rollers or tracking mechanisms to wear out or clog, and no mouse balls to fish out and clean. It even lets you fine-tune the way it clicks, with user-adjustable click tension. Accommodates right and left-handed users. 400 dots per inch resolution at rates of motion up to 14 inches per second (15% faster than you could with other optical mice) High-precision digital optical tracking. Adjustable clicking tension. No Software needed. Compatible with All USB Apple Computers. These are used cleaned and thoroughly tested units. Our $19.88 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: aplpromousewhite

Unit Price: $19.88

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iMac G4 Power Cord

iMac G4 Power Cord. Special 3 prong connector. New Black only. Our $14.88 price includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: iMacG4PowerCord

Unit Price: $14.88

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Apple Internal 56k v.90 Fax Modem for G3 Blue&White/G4 Yikes(PCI) and iMac Rev A-D 233-333Mhz models - Used Tested $19.99 Shipped

Apple 56K Internal Modem V.90 for the B&W G3 Power Macintosh, Yikes G4, (and iMacRev A-D 233-333) is an internal 56K V.90 modem is designed to be installed in the modem communications slot inside your computer, allowing you to save your PCI slots and USB ports for other resources! With features not found in any other modem this affordable, the Internal 56K comes complete with everything you need. Uses the built in software. Note: For Blue & White G3, G4 "Yikes" model that is based off of the same logic board and iMac Rev A-D 233-333's. This V90 modem features up to 56,000 bps Data modem transmission speeds: Full duplex at 33,600 (V.34 annex 12), 28,800, 14,400, 9600, 4800, 2400, 1200 and 300 bps Error correction: V.42 (LAP-M), MNP2-4 Data compression: V.42bis, MNP5 Fax speeds: 14,400, 9600, 7200, 4800 and 2400 bps Fax standards: Group 3 compatible, V.17, V.29, V.27ter, EIA-578 service, Class 1 commands Upgradability: Flash ROM and flash DSP Requirements: Any Power Macintosh G3 with internal COM slot. System software version 8.5 or later Minimum 4MB RAM Minimum 8MB hard disk space. Standard analog phone line. We include our 9 Kitchen Sink CD (9.99 value) that has other telecom and fax software. Was $34.77 REDUCED SPECIAL $19.99 includes domestic shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: BWModem56Kint-KS

Unit Price: $19.99

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Internal iMac G3 Apple CD-Rom 24x - Trayload Replacement - $69.77 shipped!

Internal 24X Tray Load CD-Rom. Genuine Apple Drive (no logo on item). Apple Bootable, Rev B. For Tray Loading iMac 233Mhz, 266Mhz 333Mhz. Used tested units. Perfect replacement. Lower Price $69.77 shipped. Installation instructions available on request.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: cd24x-imac

Unit Price: $69.77

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Internal iMac G3 Apple CD-Rom 24x - Slot Load Replacement - $49.77 shipped!

Price Reduced! For iMac G3. Internal 24X Slot Load CD-Rom. Genuine Apple Drive (no logo on item). Apple Bootable, Used tested units. Perfect replacement. Was $49.77 Special $39.77 shipped. Installation instructions available on request.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: cd24x-imac-slot

Unit Price: $39.77

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CD or DVD Adapter for Slotload iMacs

Adapter for CD or DVD mechanism for Slotload iMacs. You should have pulled the old one before throwing away your old mechanism, but you already know that now. Our $14.99 price includes shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: imaccdadaptslot

Unit Price: $14.99

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CD or DVD Adapter for Trayload iMacs

Adapter for CD or DVD mechanism for Trayload iMacs. You should have pulled the old one before throwing away your old mechanism, but you already know that now. Our $14.99 price includes shipping.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: imaccdadapttray

Unit Price: $14.99

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Internal iMac G3 Apple CDRW 8X/4X/24X - Slot Load Replacement - $89.77 shipped!

Internal iMac G3 Apple 8X/4X/24X Slot Load CDRW. Burn CD's! Genuine Apple Drive. Apple Bootable, Used tested units. Perfect replacement. Our $89.77 includes domestic shipping. Installation instructions available on request. Limited quantities.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: cdrw-imac-slot

Unit Price: $89.77

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White Thermal Grease Compound - New!

I use a small amount of this thermal grease to keep the CPU's from sticking to the gasket and to improve heat transfer. Use this or any compound sparingly as too much can cause problems. This is also required when you dissassemble Flat Screen iMacs for battery replacement. You actually break the thermal seal on the Flat Screen iMac when you remove the base and it must be renewed when reassembling the iMac to prevent damage. Computer processors generate a lot of heat. Too much heat will cause damage to this costly component! Increase the heat dissipation of CPUs and improve performance with this Thermal Grease compound! Mirror Drive Door owners take note you need to add this to your system now! Tiny syringe type applicator for easy spreading. 1.0 gram of Thermal Compound (Thermal Grease) for CPU use. Covers approximately 10-15 small CPUs. Helps the heat dissipation from a CPU to a heatsink. Our price $2.99 with any order.


Shipping charges included in price of item. Sales tax added for Oklahoma residents only.

 Stock Number: thermalwhite

Unit Price: $2.99

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