iMac 21.5″ (Mid 2011) (2011)
Apple于2011年5月3日宣布年中21.5英寸iMac，并表示已可购买。美国基础售价1199美元，配备2.5GHz四核Core i5、4GB 1333MHz DDR3、500GB 7200转硬盘和512MB GDDR5 Radeon HD 6750M。1920 × 1080 LED屏幕延续铝与玻璃机身。
© Riquix · CC BY 4.0 ↗ 仅缩小尺寸，未裁剪、未修饰。
规格
| 芯片 | Intel Core i5 · 2.5 GHz |
| 内存 | 4 GB DDR3 · 1333 MHz |
| 存储 | 500 GB |
| 屏幕 | 21.5″ · 1920 × 1080 |
| 图形 | AMD Radeon HD 6750M · 512 MB GDDR5 |
| 价格 | 1199美元（美国，2011年） |
| 上市日期 | 2011-05-03 · 宣布 |
宣布与配置
Apple于2011年5月3日宣布年中21.5英寸iMac，并表示已可购买。美国基础售价1199美元，配备2.5GHz四核Core i5、4GB 1333MHz DDR3、500GB 7200转硬盘和512MB GDDR5 Radeon HD 6750M。1920 × 1080 LED屏幕延续铝与玻璃机身。
图形与接口
1499美元配置包括2.7GHz四核Core i5、1TB硬盘、512MB GDDR5 Radeon HD 6770M，同为4GB内存，本页作为同次更新的配置合并介绍。2.8GHz Core i7、2TB硬盘和第二块256GB SSD是这一高配版本的选项，不是基础款。
软件与照片
包括一个Thunderbolt、四个USB 2.0、一个FireWire 800、SDXC卡槽、8倍速SuperDrive、FaceTime HD、802.11n Wi-Fi、Bluetooth 2.1+EDR和千兆以太网。发布公告写明Snow Leopard与iLife 11，Apple目前技术页面显示Lion，因此不将Lion称为5月发布系统。附带Apple Wireless Keyboard与Magic Mouse，可选用Magic Trackpad替换。Riquix将照片机型标为2011年中，照片中的Terra键盘鼠标不是原装附带配件。
来源
- Apple Newsroom (2011-05-03)
- Apple: 21.5-inch Mid 2011 technical specifications
- Wikimedia Commons
- CC BY 4.0
Riquix / Wikimedia Commons, CC BY 4.0. 已删除元数据，未裁剪。作者标为2011年中21.5英寸iMac，Terra键鼠不是原装配件。
更多产品
Apple Cluster Controller (1983)Apple DuoDisk (1984)Apple IIc Flat Panel Display (1984)ImageWriter 15-inch (1984)Apple Monitor IIc (1984)AppleColor Monitor 100 (1984)AppleLine (1984)Macintosh 512K (1984)Macintosh External Disk Drive (1984)Apple ImageWriter II (1985)Apple UniDisk 3.5 (1985)Apple LaserWriter (1985)AppleColor RGB Monitor (1986)LaserWriter Plus (1986)Apple Extended Keyboard (1987)ImageWriter LQ (1987)Apple Joystick IIe/IIc (1987)Apple Standard Keyboard (1987)Apple Tape Backup 40SC (1987)Apple IIc Plus (1988)Apple Scanner (1988)AppleCD SC (1988)LaserWriter IINT (1988)LaserWriter IINTX (1988)LaserWriter IISC (1988)Apple Extended Keyboard II (1990)Apple Keyboard II (1990)Personal LaserWriter NT (1990)Personal LaserWriter SC (1990)Apple OneScanner (1991)Apple StyleWriter (1991)LaserWriter IIf (1991)LaserWriter IIg (1991)Personal LaserWriter LS (1991)Personal LaserWriter NTR (1992)Apple Adjustable Keyboard (1993)Apple Color Printer (1993)Apple PowerCD (1993)Apple StyleWriter II (1993)AppleDesign Powered Speakers (1993)LaserWriter Pro 600 (1993)LaserWriter Pro 630 (1993)LaserWriter Pro 810 (1993)LaserWriter Select 300 (1993)LaserWriter Select 310 (1993)LaserWriter Select 360 (1993)Newton Fax Modem (1993)Personal LaserWriter 300 (1993)Personal LaserWriter 320 (1993)Portable StyleWriter (1993)AppleCD 300e Plus (1994)AppleCD 300i Plus (1994)AppleDesign Keyboard (1994)Color StyleWriter 2400 (1994)Color StyleWriter Pro (1994)LaserWriter 16/600 PS (1994)QuickTake 100 (1994)StyleWriter 1200 (1995)Color LaserWriter 12/600 PS (1995)Color StyleWriter 2200 (1995)LaserWriter 4/600 PS (1995)Apple Pippin (1996)Color LaserWriter 12/660 PS (1996)Color StyleWriter 1500 (1996)Color StyleWriter 2500 (1996)Color StyleWriter 4100 (1997)Color StyleWriter 4500 (1997)Color StyleWriter 6500 (1997)LaserWriter 8500 (1997)QuickTake 200 (1997)Twentieth Anniversary Macintosh (1997)Apple USB Keyboard (1998)Apple USB Mouse (1998)Apple Studio Display 15" (1998)AirPort (1999)Apple iSub (1999)Apple Cinema Display 22" (1999)iMac G3 (333 MHz, 1999) (1999)iMac G3 Slot Loading / DV (1999) (1999)Apple Pro Keyboard (2000)Apple Pro Mouse (2000)iMac G3 (Summer 2000) (2000)SoundSticks (2000)Apple Pro Speakers (2001)iMac G3 (Early 2001) (2001)Apple Studio Display 17" (2001)Apple Cinema HD Display 23" (2002)iMac G4 17″ (2002)iPod (2G) (2002)Xserve G4 (2002)AirPort Extreme (2003)Apple Wireless Keyboard (2003)Apple Wireless Mouse (2003)iMac G4 20-inch (2003)iPod (3G) (2003)iSight (2003)Power Mac G5 (Dual 2 GHz) (2003)AirPort Express (2004)Apple Cinema HD Display 30" (2004)iPod (4G) (2004)iPod mini (2004)iPod (5G) (2005)iPod mini (2G) (2005)Mighty Mouse (2005)iMac Core 2 Duo 17″ (2006)iMac Core 2 Duo 20″ (2006)iMac Core 2 Duo 24″ (2006)iMac Core Duo 17″ (2006)iMac Core Duo 20″ (2006)iPod Hi-Fi (2006)iPod nano (2G) (2006)iPod Radio Remote (2006)iPod shuffle (2G) (2006)Mac mini (Intel, early 2006) (2006)Mac Pro (2006)Mighty Mouse (Wireless) (2006)Apple Keyboard (2007)Apple Wireless Keyboard (2007)iPod classic (2007)iPod nano (3G) (2007)iPod nano (4G) (2008)iPod touch (2G) (2008)Apple LED Cinema Display 24" (2008)MacBook Air SuperDrive (2008)Time Capsule (2008)iMac 20″ (Early 2009) (2009)iMac 24″ (Early 2009) (2009)iPod nano (5G) (2009)iPod shuffle (3G) (2009)iPod touch (3G) (2009)Apple Battery Charger (2010)iPod nano (6G) (2010)iPod shuffle (4G) (2010)iPod touch (4G) (2010)Apple LED Cinema Display 27" (2010)Apple Thunderbolt Display 27" (2011)AirPort Express (2012)EarPods (3.5 mm) (2012)iMac 21.5″ (Late 2012) (2012)iPod nano (7G) (2012)iPod touch (5G) (2012)AirPort Extreme (802.11ac) (2013)iMac Retina 5K 27″ (Late 2015) (2015)iPod touch (6G) (2015)iMac Pro (2017) (2017)iPad Pro 11-inch (2018)iPad Pro 12.9-inch (3rd generation) (2018)Mac mini (Intel) (2018)iPod touch (7G) (2019)iPad Pro 11-inch (2nd generation) (2020)iPad Pro 12.9-inch (4th generation) (2020)iPad Pro 11-inch (3rd generation) (2021)iPad Pro 12.9-inch (5th generation) (2021)iPad Pro 11-inch (4th generation) (2022)iPad Pro 12.9-inch (6th generation) (2022)iPad Air 11-inch (M2) (2024)iPad Air 13-inch (M2) (2024)iPad Pro 11-inch (M4) (2024)iPad Pro 13-inch (M4) (2024)iPad Air 11-inch (M3) (2025)iPad Air 13-inch (M3) (2025)iPad Pro 11-inch (M5) (2025)iPad Pro 13-inch (M5) (2025)iPad Air 11-inch (M4) (2026)iPad Air 13-inch (M4) (2026)iPad mini (A20 Pro) (2026)