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All-in-One · 2010ObsoleteUncommon · 55
iMac 21.5″ (Mid 2010)
A1311 · Unibody iMac (2009-2011)
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Identifiers
| Order number | A1311 |
| Machine ID | iMac11,2 |
Reference
| Original price | $1,199 – $1,849 |
| Announced | 2010-07-27 |
| Discontinued | 2011-05-03 |
| Max supported OS | macOS 10.13 High Sierra |
| Design era | Unibody iMac (2009-2011) |
Configurations
| Colors | Anodized aluminum |
| CPU | Intel Core i3-540 @ 3.06 GHz, Intel Core i3-550 @ 3.2 GHz, Intel Core i5-680 @ 3.6 GHz |
| Memory | 4 GB, 8 GB, 16 GB (max) |
| Storage | 500 GB SATA HDD, 1 TB SATA HDD |
| Graphics | ATI Radeon HD 4670 (256 MB), ATI Radeon HD 5670 (512 MB) |
| Display | 21.5″ LED (1920×1080) |
| Operating system | Mac OS X 10.6.3, macOS 10.13 High Sierra |
| 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 · SDXC card slot · Built-in FaceTime HD |
| Dimensions (W×H×D) | 528 × 450 × 189 mm |
| Weight | 9.3 kg |
Known quirks
- HDD temperature sensor still an Apple-specific firmware requirement
- 5670 GPU runs hot — common failure mode after years
- Glass front has embedded iSight but often yellows
- PSU rebuild is common on 10-year-old units