← Catalog
All-in-One · 2011ObsoleteUncommon · 55
iMac 21.5″ (Mid 2011)
A1311 · Unibody iMac (2009-2011)
0 in collections0 wanted
Have one in your collection? Track it on Orchard.
Start your collection
Identifiers
| Order number | A1311 |
| Machine ID | iMac12,1 |
Reference
| Original price | $1,199 – $2,599 |
| Announced | 2011-05-03 |
| Discontinued | 2012-10-23 |
| Max supported OS | macOS 10.13 High Sierra |
| Design era | Unibody iMac (2009-2011) |
Configurations
| Colors | Anodized aluminum |
| CPU | Intel Core i5-2400S @ 2.5 GHz, Intel Core i5-2500S @ 2.7 GHz, Intel Core i7-2600S @ 2.8 GHz |
| Memory | 4 GB, 8 GB, 16 GB (max) |
| Storage | 500 GB SATA HDD, 1 TB SATA HDD |
| Graphics | AMD Radeon HD 6750M (512 MB), AMD Radeon HD 6770M (512 MB) |
| Display | 21.5″ LED (1920×1080) |
| Operating system | Mac OS X 10.6.6, macOS 10.13 High Sierra |
| Removable media | SuperDrive (DVD±R DL, slot-loading) |
Physical
| Ports & connectivity | 4× USB 2.0 · 1× FireWire 800 · 2× Thunderbolt · 10/100/1000 Ethernet · 3.5mm headphone · 3.5mm audio in · SDXC card slot · Built-in FaceTime HD |
| Dimensions (W×H×D) | 528 × 450 × 189 mm |
| Weight | 9.3 kg |
Known quirks
- First iMac with Thunderbolt — replaced Mini DisplayPort
- Sandy Bridge quad-core i5 was huge performance boost
- Radeon HD 6770M had widespread GPU failures — Apple's repair program covered through 2017
- Still uses laptop HDDs inside — third-party swaps awkward