Apple 20” iMac (Early 2008); iMac8,1 Installation Guides and Specifications
Upgrading the Apple 20” iMac (Early 2008) RAM is very easy. Other upgrades or repair like the Hard Drive or the Optical Drive are a bit more advanced but still manageable. All You'll need is some simple tools, and the correct parts. We then urge you to follow the videos or the Apple manual provided on the links below.
Please see our Apple RAM Memory for Macbook Pro page to locate your Apple compatible RAM upgrade for your Mac, and we'll ship it fast from our warehouse in Victoria.
Please see our Hard Drive for iMac 21.5" (Late 2009) page to locate your Apple compatible Hard Drive upgrades for your iMac
Apple User Guides for the Apple iMac 21.5" (Early 2008)
iMac: How to remove or install memory Learn how to remove or install memory in your iMac computer on the Apple support page.
OWC Video Installation Guide for Apple 20” iMac (Early 2008):
Memory Install Video
Duration: 5:08 | Model ID: iMac7,1; iMac8,1 & iMac9,1
Recommended Tools for the RAM upgrade:
Here is how to fix or upgrade the main Hard Drive:
NewerTech AdaptaDrive - Drive Install Video
Use the Hard Drive Install Video below for iMac 21.5" (Late 2009) to install aNewerTech AdaptaDrive mounted drive:
Hard Drive Install Video
Recommended Tools for the HDD/SSD upgrade: aaa
- Heavy-duty Suction Cups
- Newer Technology 14 Piece Tool Set
- 2.5" to 3.5" adapter - for SSD installation only >-
- External Hard Drive Enclosure - Convert your existing drive into an external one
Here is some detailed specifications as well as direct link to available upgrades:
| Apple 20” iMac (Early 2008) | |
| OVERVIEW | |
| Introduced | April 2008 |
| Discontinued | March 2009 |
| Model Identifier | iMac8,1 |
| Model Number | A1224 |
| EMC | 2210 |
| Order Number | MB323LL/A (2.4 GHz), MB324LL/A (2.66 GHz) |
| PROCESSOR | |
| Processor | Intel Core 2 Duo (E8135, E8335) ("Penryn") |
| Processor Speed | 2.4 or 2.66 GHz |
| Architecture | 64-bit |
| Number of Cores | 2 |
| Cache | 6 MB shared L2 cache at full processor speed |
| System Bus | 1066 MHz |
| STORAGE AND MEDIA | |
| Standard Storage | 250 (2.4 GHz only), 320, 500, 750 GB 7200-rpm |
| Link to upgrade tool & kits | |
| Link to internal HDD | Upgrade to a new 3.5” HDD |
| Link to internal SSD | Upgrade to a new 2.5” SSD |
| Media | Slot-loading 8x SuperDrive (DVD±R DL/DVD±RW/CD-RW) |
| Link to external optical drive | Get an external burner here |
| PERIPHERALS | |
| Peripherals | Apple Remote, Apple Keyboard with Numeric Keypad, Mighty Mouse |
| RAM | |
| Built-in Memory | |
| Maximum Memory | 6.0 GB (Actual) 4.0 GB (Apple) |
| Memory Slots | 2 - 200-pin PC2-6400 (800MHz) DDR2 SO-DIMM |
| Interleaving Support | Yes |
| Link to RAM upgrade | Upgrade your RAM here |
| DISPLAY | |
| Built-in Display | 20-inch (viewable) glossy widescreen TFT LCD |
| Resolutions | 16:10 aspect ratio: 1680 x 1050 |
| GRAPHICS | |
| Graphics Card | ATI Radeon HD 2400 XT or ATI Radeon HD 2600 PRO |
| Graphics Memory | 128 MB (2400 XT) or 256 MB (2600 PRO) GDDR3 |
| Display Connection | 1 - Mini-DVI (DVI, VGA, Composite and S-video with adapter) |
| Display Modes | Dual display extended and video mirroring |
| External Resolution | Up to 1920 by 1200 pixels (Digital) Up to 2048 by 1536 pixels (Analog) |
| Camera | Built-in iSight |
| CONNECTIONS | |
| Wi-Fi | Built-in AirPort Extreme card (802.11a/b/g/n) |
| Bluetooth | Built-in Bluetooth 2.1 + EDR |
| Ethernet | 10/100/1000BASE-T (RJ-45) |
| Modem | |
| USB | 3 - 480 MBit/s |
| FireWire | 1 - 400 MBit/s, 1 - 800 MBit/s (7W each) |
| Thunderbolt | |
| Display | 1 - Mini-DVI (DVI, VGA, Composite and S-video with adapter) |
| Infrared | 1 - For Apple Remote only |
| Audio In | 1 - 3.5-mm analog/optical combo input jack, Built-in microphone |
| Audio Out | 1 - 3.5-mm analog/optical combo output jack, Built-in speakers |
| EXPANSION | |
| Slots | |
| Hard Drive Interface | 3.0 Gbps Serial ATA (SATA) |
| Optical Drive Interface | Ultra ATA/100 (operates at UATA/33 or UATA/66) |