Apple 最新的操作系统 Snow Leopard 将在本周五正式开售。这款 Mac OS X 10.6 版系统将在全美 Apple 专卖店和特许店上市，目前 Apple 在线店已经开始接受预定。

Leopard 系统的用户可升级到最新版系统，单个用户需支付 29 美元，家庭组用户（最多包含 5 位用户）需支付 49 美元。对于 Intel 芯片、运行 Tiger 系统 Mac 电脑的用户转到 Snow Leopard ，单个用户价格为 169 美元，家庭组用户价格为 229 美元。

另外，凡在 6 月 8 日至 12 月 26 日购买了符合升级资格 Mac 电脑的消费者，可按照 9.95 美元价格升级到 Snow Leopard 。用户必须在购买电脑后的 90 天内或在 12 月 26 日前提出升级要求。

Apple 表示， Snow Leopard 系统大小只有原先版本的一半，在安装时能节约最多 7GB 硬盘空间。同时该系统要求 RAM 内存大小最低为 1GB，并可运行在使用 Intel 处理器的 Mac 电脑上。 Snow Leopard 系统也兼容微软的 Exchange Server 2007。

以下是官方新闻稿：

Apple to Ship Mac OS X Snow Leopard on August 28

CUPERTINO, Calif., Aug. 24 /PRNewswire-FirstCall/ - Apple® today announced that Mac OS® X v10.6 Snow Leopard(TM) will go on sale Friday, August 28 at Apple's retail stores and Apple Authorized Resellers, and that Apple's online store is now accepting pre-orders. Snow Leopard builds on a decade of OS X innovation and success with hundreds of refinements, new core technologies and out of the box support for Microsoft Exchange. Snow Leopard will be available as an upgrade for Mac OS X Leopard® users for $29.

"Snow Leopard builds on our most successful operating system ever and we're happy to get it to users earlier than expected," said Bertrand Serlet, Apple's senior vice president of Software Engineering. "For just $29, Leopard users get a smooth upgrade to the world's most advanced operating system and the only system with built in Exchange support."

To create Snow Leopard, Apple engineers refined 90 percent of the more than 1,000 projects that make up Mac OS X. Users will notice refinements including a more responsive Finder(TM); Mail that loads messages up to twice as fast;* Time Machine® with an up to 80 percent faster initial backup;* a Dock with Expose® integration; QuickTime® X with a redesigned player that allows users to easily view, record, trim and share video; and a 64-bit version of Safari® 4 that is up to 50 percent** faster and resistant to crashes caused by plug-ins. Snow Leopard is half the size of the previous version and frees up to 7GB of drive space once installed.

For the first time, system applications including Finder, Mail, iCal®, iChat® and Safari are 64-bit and Snow Leopard's support for 64-bit processors makes use of large amounts of RAM, increases performance and improves security while remaining compatible with 32-bit applications. Grand Central Dispatch (GCD) provides a revolutionary new way for software developers to write applications that take advantage of multicore processors. OpenCL, a C-based open standard, allows developers to tap the incredible power of the graphics processing unit for tasks that go beyond graphics.

Snow Leopard is the only desktop operating system with built in support for Microsoft Exchange Server 2007, and it allows you to use Mac OS X Mail, Address Book and iCal to send and receive email, create and respond to meeting invitations, and search and manage contacts with global address lists. Exchange information works seamlessly within Snow Leopard so users can also take advantage of OS X only features such as fast Spotlight® searches and Quick Look previews.

Mac OS X Server Snow Leopard, the next major release of the world's easiest to use server operating system, will also go on sale Friday, August 28. Snow Leopard Server includes innovative new features such as Podcast Producer 2 and Mobile Access Server and is priced more affordably than ever at $499 with unlimited client licenses. More information and full system requirements for Snow Leopard Server can be found at www.apple.com/server/macosx/.

Pricing & Availability

Mac OS X version 10.6 Snow Leopard will be available as an upgrade to Mac OS X version 10.5 Leopard on August 28 at Apple's retail stores and through Apple Authorized Resellers, and online pre-orders can be made through Apple's online store (www.apple.com) starting today. The Snow Leopard single user license will be available for a suggested retail price of $29 (US) and the Snow Leopard Family Pack, a single household, five-user license, will be available for a suggested price of $49 (US). For Tiger® users with an Intel-based Mac®, the Mac Box Set includes Mac OS X Snow Leopard, iLife® '09 and iWork® '09 and will be available for a suggested price of $169 (US) and a Family Pack is available for a suggested price of $229 (US).

The Mac OS X Snow Leopard Up-to-Date upgrade package is available to all customers who purchased a qualifying new Mac system from Apple or an Apple Authorized Reseller between June 8, 2009 and the end of the program on December 26, 2009, for a product plus shipping and handling fee of $9.95 (US). Users must request their Up-to-Date upgrade within 90 days of purchase or by December 26, 2009, whichever comes first. For more information please visit www.apple.com/macosx/uptodate. Snow Leopard requires a minimum of 1GB of RAM and is designed to run on any Mac computer with an Intel processor. Full system requirements can be found at www.apple.com/macosx/specs.html.