Hello. We are a family owned computer upgrade company located in Tacoma WA. We also are CompTia certified PC techs so you can count on your PC or PC part getting lots of attention , tested, and cleaned (if necessary). We take pride in the computer or component you get and also the reasonable price you pay . This kit comes with everything you will need to turn your Mac Pro 4,1 or 5.1 into a Twelve Core 3.06GHz system. You will also be able to use the new OS X Sierra when released in the fall with this upgrade. Includes: These X5675 3.06GHz CPUS can only use the 1060MHz memory and will not be able to use the faster 1333MHz memory. Only the X5680 and X5690 CPUs can use the 1060MHz or 1333GHz memory. If you have the 2009 version of the Mac Pro and have not upgraded to the 5.1 firmware yet, you will need to download and install the 4.1 to 5.1 firmware before installing these CPUs. It's very east to do and just ask and I'll send you the links for the download and a firmware installation video. ________________________________________________________________ Warranty and other info: We give a one month warranty (upon shipping arrival) on all of our items which is long enough to have it installed and know that it is working perfectly. If for some reason the product becomes faulty after this date, we will still work with you on a solution. Friendly Computers USA can not be responsible for any damages or other losses caused by the use of, or installation of the product. It is also the buyers responsibility to do any research (if needed) to insure a smooth hardware installation. U.S. and International Customers: Once payment is received, your item will be shipped via USPS. Just enter your shipping info into the shipping calculator. Thanks!! Report item - opens in a new window or tab Description current Shipping and payments eBay item number:322291720261 Seller assumes all responsibility for this listing. Item specifics Condition: New other (see details) : A new, unused item with absolutely no signs of wear. The item may be missing the original packaging, or in the original packaging but not sealed. The item may be a factory second or a new, unused item with defects. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab Seller Notes: “All OS X including Sierra compatible CPU kit. ” Brand: Intel Clock Speed: 3.06GHz Processor Type: XEON Processor: Quad Core CPUs MPN: Does Not Apply Computer type: Mac Pro 5.1 Number of Cores: 6 UPC: Does not apply Hello. We are a family owned computer upgrade company located in Tacoma WA. We also are CompTia certified PC techs so you can count on your PC or PC part getting lots of attention , tested, and cleaned (if necessary). We take pride in the computer or component you get and also the reasonable price you pay . click picture to enlarge click picture to enlarge click picture to enlarge click picture to enlarge This kit comes with everything you will need to turn your Mac Pro 4,1 or 5.1 into a Twelve Core 3.06GHz system. You will also be able to use the new OS X Sierra when released in the fall with this upgrade. Includes: Two Intel Xeon 3.06 GHz (X5675) Matched Pair HEX (6) Core CPUs.One tube of EverCool Sidewinder Thermal Paste.One Genuine Intel Core 2 Quad case sticker.One ChemTronicis Chempad® for cleaning your heat sinksOne 3mm long handle Hex wrench 24 brass heat sink washer screws (3 per screw)two Thermal strips to replace the heat sink edge strips These X5675 3.06GHz CPUS can only use the 1060MHz memory and will not be able to use the faster 1333MHz memory. Only the X5680 and X5690 CPUs can use the 1060MHz or 1333GHz memory. If you have the 2009 version of the Mac Pro and have not upgraded to the 5.1 firmware yet, you will need to download and install the 4.1 to 5.1 firmware before installing these CPUs. It's very east to do and just ask and I'll send you the links for the download and a firmware installation video. Here's a link to all of our Mac Pro 4,1 and 5,1 CPU upgrade kits: http://www.ebay.com/sch/m.html?_ssn=friendlycomputersusa&_armrs=1&_from=R40&_sacat=0&_nkw=mac+pro+5.1&_sop=15 ________________________________________________________________ Warranty and other info: We give a one month warranty (upon shipping arrival) on all of our items which is long enough to have it installed and know that it is working perfectly. If for some reason the product becomes faulty after this date, we will still work with you on a solution. Friendly Computers USA can not be responsible for any damages or other losses caused by the use of, or installation of the product. It is also the buyers responsibility to do any research (if needed) to insure a smooth hardware installation. Please note that when you bid on eBay you are entering into a legal binding contract. Be kind. Please do not bid or 'Buy Now' unless you intend to pay or send payment within 7 days. We are asked to only list Paypal however we will accept any payment form. If you wish to pay via Credit Card you can sign in as a guest using the Credit Card. It is very safe and easy. If paying via Paypal...you will need to have a Paypal confirmed address or we will have to void the sale to you!! Paypal won't support any loss if your address is not confirmed. If not paying PayPal, please contact me with how you will be paying. U.S. and International Customers: Once payment is received, your item will be shipped via USPS. Just enter your shipping info into the shipping calculator. Thanks!! txzj pxzj6855 txzj67 Questions and answers about this item No questions or answers have been posted about this item. Ask a question - opens in a new window or tab 00045 Seller assumes all responsibility for this listing. Shipping and handling This item will ship to Thailand, but the seller has not specified shipping options. Contact the seller- opens in a new window or tab and request a shipping method to your location. Shipping cost cannot be calculated. Please enter a valid ZIP Code. Item location: Tacoma, Washington, United States Shipping to: Worldwide No additional import charges at delivery! This item will be shipped through the Global Shipping Program and includes international tracking. Learn more- opens in a new window or tab Quantity: Change country: -Select- Afghanistan Albania Algeria American Samoa Andorra Angola Anguilla Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Republic Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia Bosnia and Herzegovina Botswana Brazil British Virgin Islands Brunei Darussalam Bulgaria Burkina Faso Burundi Cambodia Cameroon Canada Cape Verde Islands Cayman Islands Central African Republic Chad Chile China Colombia Comoros Congo, Democratic Republic of the Congo, Republic of the Cook Islands Costa Rica Cote d Ivoire (Ivory Coast) Croatia, Republic of Cyprus Czech Republic Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Ethiopia Falkland Islands (Islas Malvinas) Fiji Finland France French Guiana French Polynesia Gabon Republic Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Honduras Hong Kong Hungary Iceland India Indonesia Iraq Ireland Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea, South Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macau Macedonia Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia Moldova Monaco Mongolia Montenegro Montserrat Morocco Mozambique Namibia Nauru Nepal Netherlands Netherlands Antilles New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norway Oman Pakistan Palau Panama Papua New Guinea Paraguay Peru Philippines Poland Portugal Puerto Rico Qatar Reunion Romania Russian Federation Rwanda Saint Helena Saint Kitts-Nevis Saint Lucia Saint Pierre and Miquelon Saint Vincent and the Grenadines San Marino Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa Spain Sri Lanka Suriname Swaziland Sweden Switzerland Taiwan Tajikistan Tanzania Thailand Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States Uruguay Uzbekistan Vanuatu Vatican City State Venezuela Vietnam Virgin Islands (U.S.) Wallis and Futuna Western Sahara Western Samoa Yemen Zambia Zimbabwe There are 2 items available. Please enter a number less than or equal to 2. Select a valid country. ZIP Code: Please enter a valid ZIP Code. Please enter 5 or 9 numbers for the ZIP Code. Shipping and handling To Service Delivery* US $31.95 Thailand USPS Priority Mail International Small Flat Rate Box Estimated between Tue. Nov. 8 and Thu. Nov. 17 Seller ships within 3 days after receiving cleared payment - opens in a new window or tab. US $61.85 Thailand USPS Priority Mail Express InternationalTM Estimated between Thu. Nov. 3 and Thu. Nov. 10 Seller ships within 3 days after receiving cleared payment - opens in a new window or tab. * Estimated delivery dates- opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment- opens in a new window or tab. Delivery times may vary, especially during peak periods. Domestic handling time Will usually ship within 3 business days of receiving cleared payment - opens in a new window or tab. Return policy After receiving the item, contact seller within Refund will be given as Return shipping 14 days Money back or item exchange (buyer's choice) Buyer pays return shipping Payment details Payment method Preferred / Accepted Accepted Immediate payment required for this item Immediate payment of US $299.00 is required.