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All-in-One · 2009ObsoleteUncommon · 60
iMac 21.5″ (Late 2009)
A1311 · Unibody iMac (2009-2011)
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Identifiers
| Order number | A1311 |
| Machine ID | iMac10,1 |
Reference
| Original price | $1,199 – $1,949 |
| Announced | 2009-10-20 |
| Discontinued | 2010-07-27 |
| Max supported OS | macOS 10.13 High Sierra |
| Design era | Unibody iMac (2009-2011) |
Configurations
| Colors | Anodized aluminum |
| CPU | Intel Core 2 Duo E7600 @ 3.06 GHz, Intel Core 2 Duo E8600 @ 3.33 GHz |
| Memory | 4 GB, 8 GB (max) |
| Storage | 500 GB SATA HDD, 1 TB SATA HDD |
| Graphics | NVIDIA GeForce 9400M (256 MB shared), ATI Radeon HD 4670 (256 MB) |
| Display | 21.5″ LED (1920×1080) |
| Operating system | Mac OS X 10.6 Snow Leopard, Mac OS X 10.6.1, Mac OS X 10.6.2, Mac OS X 10.6.3, Mac OS X 10.6.4, Mac OS X 10.6.5, Mac OS X 10.6.6, Mac OS X 10.6.7, Mac OS X 10.6.8, Mac OS X 10.7 Lion, Mac OS X 10.7.1, Mac OS X 10.7.2, Mac OS X 10.7.3, Mac OS X 10.7.4, Mac OS X 10.7.5, OS X 10.8 Mountain Lion, OS X 10.8.1, OS X 10.8.2, OS X 10.8.3, OS X 10.8.4, OS X 10.8.5, OS X 10.9 Mavericks, OS X 10.9.1, OS X 10.9.2, OS X 10.9.3, OS X 10.9.4, OS X 10.9.5, OS X 10.10 Yosemite, OS X 10.10.1, OS X 10.10.2, OS X 10.10.3, OS X 10.10.4, OS X 10.10.5, OS X 10.11 El Capitan, OS X 10.11.1, OS X 10.11.2, OS X 10.11.3, OS X 10.11.4, OS X 10.11.5, OS X 10.11.6, macOS 10.12 Sierra, macOS 10.12.1, macOS 10.12.2, macOS 10.12.3, macOS 10.12.4, macOS 10.12.5, macOS 10.12.6, macOS 10.13 High Sierra, macOS 10.13.1, macOS 10.13.2, macOS 10.13.3, macOS 10.13.4, macOS 10.13.5, macOS 10.13.6 |
| Removable media | SuperDrive (DVD±R DL, slot-loading) |
Physical
| Ports & connectivity | 4× USB 2.0 · 1× FireWire 800 · 10/100/1000 Ethernet · 3.5mm headphone · 3.5mm audio in · Mini DisplayPort (target display mode) · SDXC card slot · Built-in iSight |
| Dimensions (W×H×D) | 528 × 450 × 189 mm |
| Weight | 9.3 kg |
Known quirks
- New unibody aluminum enclosure — larger 21.5" and 27" options
- Mini DisplayPort doubles as Target Display Mode input
- HDD thermal sensor on Apple drives — third-party swaps require workaround
- PSU fans can whine after years