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Apple iMac Models
Within the iMac family there are 6 distinct models that each have their own specific architectures. Our exclusive premium certified HyperVelocity modules deliver the highest possible performance you can get for your model iMac. Please select your specific model in order to choose the correct memory modules.
Whenever applicable, Mac RAM Direct will spec upgrades in the form of modules capable of faster speeds than originally supplied. Remember, faster RAM is like Premium gasoline where even if your car uses 87 octane Regular, she'll purr like a kitten with the higher octane juice. The same holds true for RAM. Enjoy!
Electrostatic discharge precautions here.
The BRAND NEW 2008 2.4, 2.66, 2.8 & 3.06GHz iMac models
DDR2-800MHz RAM
20" thru 24" Screens
The Newest Intel Core Duo powered iMac models have two memory expansion slots that use special 200 pin Mac spec DDR2-800 SODIMM type modules. The 2.4GHz, 2.66GHz, 2.8GHz, or 3.06GHz models have either 1GB or 2GB installed from the factory. There are two memory expansion slots that can each address up to 2GB for a full maximum potential of a full 4GB of RAM in these models.
| iMac "Core Duo2" model specs (2.4, 2.66, 2.8 & 3.06GHz) "Intel Core Duo 2 Models" | |
|---|---|
| 4GB maximum for ALL Aluminum models. | |
| processor speed | 2.4GHz, 2.66GHz, 2.8GHz, or 3.06GHz |
| built in memory | None. factory removable 1GB-2GB factory supplied |
| memory type | DDR2-800 (PC2-6400) 200 pin SODIMM |
| memory slots | 2 |
| maximum memory | 4GB maximum for ALL Aluminum models |
| MRD Premium HyperVelocity DDR2-800 PC2-6400 modules | ||
|---|---|---|
| Special Apple spec DDR2-800 PC2-6400 modules | ||
| 1GB | 1 1GB SODIMM | $59.61  |
| 2GB | 1 2GB SODIMM | $79.61 |
| 4GB | 2 2GB SODIMMs (For those who want FULL POWER!) | $129.61 |
| SAMSUNG FACTORY ORIGINAL DDR2-800 PC2-6400 Modules (For those who insist on using ONLY Apple factory original RAM) | ||
|---|---|---|
| Apple Original Equipment OEM Modules | ||
| 1GB | 1 1GB SAMSUNG SODIMM | $79.33 |
| 2GB | 1 2GB SODIMM | $109.33 |
| 4GB | 2 2GB SODIMMs (For those who want FULL POWER!) | $159.33 |
Installation instructions for iMac here.
2006 and 2007 Core Duo, Core 2 & Core 2 Extreme Models"
The First Intel Core & Core 2 Duo iMac models
1.83, 2.0, 2.16, 2.4 & 2.83GHz models with
17", 20"& 24" Screens
The First series Intel Core Duo and Core 2 Duo powered iMac models have two memory expansion slots that use special 200 pin Mac spec DIMM DDR2 type modules. The 1.83GHz models come from the factory with 512MB installed, the 2.0GHz and faster models have 1GB. There are two memory expansion slots that can address up to 1GB each in the 1.83GHZ machines with a maximum total potential being 2GB. The 2.0Ghz and faster Core Duo 2 models can expand up to 3GB maximum and the newest Aluminum models top out at a very nice 4GB!
| iMac "Core Duo" model specs (1.83, 2.0, 2.16, 2.4 & 2.83GHz) "Intel Core Duo & Duo 2 Models" | |
|---|---|
| Maximum possible of 2GB for 1.83GHz models, 3GB for 2+GHz models, 4GB maximum for Aluminum models. | |
| processor speed | 1.83, 2.0, 2.16, 2.4 & 2.83GHz |
| built in memory | None. factory removable 512MB-1GB supplied |
| memory type | DDR2-667 (PC2-5300) 200 pin SODIMM |
| memory slots | 2 |
| maximum memory | 2GB , 3GB on Duo 2 2Ghz & faster models; 4GB maximum for Aluminum models |
| MRD Premium HyperVelocity DDR2-667 PC2-5300 modules | ||
|---|---|---|
| Special Apple spec DDR2-667 PC2-5300 modules | ||
| 512MB | 1 512MB SODIMM | $39.66 |
| 1GB | 1 1GB SODIMM | $55.66 |
| 2GB Kit | 1 2GB SODIMM Kit (2X1GB)one MATCHED Pair 1GB (2X1GB) | $79.66 |
| 2GB | 1 2GB SODIMM 2.0GHz and faster Core2 Duo models ONLY | $69.85 |
| 3GB | 1 2GB+ 1 1GB SODIMM 2.0GHz and faster Core2 models ONLY | $125.66 |
| 4GB | 2 2GB SODIMMs (New Aluminum models ONLY) | $119.66 |
| SAMSUNG FACTORY ORIGINAL DDR2-667 PC2-5300 Modules (For those who insist on using ONLY Apple factory original RAM) | ||
|---|---|---|
| Apple Original Equipment OEM Modules | ||
| 512MB | 1 512MB SAMSUNG SODIMM | $59.68 |
| 1GB | 1 1GB SAMSUNG SODIMM | |
| 2GB Kit | 2 1GB SAMSUNG SODIMMs one MATCHED Pair 1GB (2X1GB) | $129.68 |
| 2GB | 1 2GB SODIMMs Core2 Duo 2.0GHz and faster ONLY! | $119.68 |
Installation instructions for iMac here.
iMac G5 iSight Models
1.9GHz - 2.1GHz
17" & 20"
The DDR2 G5 Flat iMac "iSight" models have one memory expansioin slot that use special 240 pin Mac spec DIMM DDR2 type modules. This model comes from the factory with 512MB soldered to the logic board. There is only one memory expansion slot that can address up to 2GB for a possible maximum total potential being 2.5GB.
| G5 Flat iMac model specs (1.9 & 2.1GHz models ONLY) "iSight Models" | |
|---|---|
| One memory slot will address 2GB for maximum possible of 2.5GB | |
| processor speed | 1.9GHz-2.1GHz |
| built in memory | 512MB |
| memory type | DDR2-533 (PC2-4200) 240 pin |
| memory slots | 1 |
| maximum memory | 2.5GB |
| MRD Premium HyperVelocity DDR2-533 PC2-4200 modules | ||
|---|---|---|
| Special Apple spec DDR2-533 PC2-4200 modules | ||
| 512MB | 1 512MB DIMM | $59.77 |
| 1GB | 1 1GB DIMM | $69.77 |
| 2GB | 1 2GB DIMM | $89.77 |
| SAMSUNG FACTORY ORIGINAL DDR2-533 PC2-4200 Modules (For those who insist on using ONLY Apple factory original RAM) | ||
|---|---|---|
| Apple Original Equipment OEM Modules | ||
| 512MB | 1 512MB SAMSUNG DIMM | $79.74 |
| 1GB | 1 1GB SAMSUNG DIMM | $89.74 |
Installation instructions for iMac here.
iMac G5 Original Models
1.6GHz - 2.0GHz
17" & 20"
The Original G5 Flat iMac models have two memory slots that use two DIMM DDR type modules. The orignal factory installed module is a single special Apple spec 256MB DDR DIMM. There are two memory slots that can each address up to 1GB for a possible maximum total potential being 2 full GB.
| G5 17" & 20" iMac model specs (1.6, 1.8 & 2.0GHz) | |
|---|---|
| Two memory slots will address 1GB each for maximum possible of 2GB | |
| processor speed | 1.6, 1.8 & 2.0GHz models |
| built in memory | 0 |
| memory type | DDR400 (PC3200) |
| memory slots | 2 |
| maximum memory | 2GB |
| MRD Premium HyperVelocity DDR400 PC3200 Modules | ||
|---|---|---|
| Special Apple spec DDR400 PC3200 Modules | ||
| 512MB | 1 512MB DIMM | $69.93 |
| 1GB | 1 1GB DIMM | $89.93 |
| 1GB Kit | 2 512MB DIMMs | $88.93 |
| 2GB Kit | 2 1GB DIMMs | $149.93 |
| SAMSUNG FACTORY ORIGINAL DDR400 PC3200 Modules (For those who insist on using ONLY Apple factory original RAM) | ||
|---|---|---|
| Apple Original Equipment OEM Modules | ||
| 512MB | 1 512MB SAMSUNG DIMM | $89.94 |
| 1GB | 1 1GB SAMSUNG DIMM | $119.94 |
Installation instructions for iMac here.
G4 Flat Panel iMac
1GHz and faster DDR Models
The G4 DDR Flat iMac models have two memory slots, one easily accessable "User slot" under the base plate and a second more internal "Apple slot". The User slot requires a SODIMM type module while the Apple slot uses a DIMM type. The orignal factory installed modules reside in the Apple slot leaving the User slot empty. The User slot can accept up to 512MB and expanding beyond that requires replacing the factory Apple slot module with a 512MB module as well.
| DDR Flat iMac model specs (1GHz and faster) | |
|---|---|
| Earlier DDR266 models upgrade to DDR333 (PC2700) | |
| processor speed | 1GHz-1.25GHz and faster |
| built in memory | 0 |
| memory type | DDR333 (PC2700) |
| memory slots | 2 (1 User slot and 1 Apple slot) |
| maximum memory | 1GB |
| DDR333 PC2700 modules (MRD's recommended modules) | ||
|---|---|---|
| US=User slot, AS=Apple slot (factory original supplied RAM is in the Apple slot) | ||
| 256MB US | 1 256MB SODIMM | $49.99 |
| 512MB US | 1 512MB SODIMM | $69.99 |
| 512MB AS | 1 512MB DIMM | $69.93 |
| 1GB Kit US+AS | 1 512MB SODIMM, 1 512MB DIMM | $129.69 |
Installation instructions for iMac here.
G4 Flat Panel iMac
700-800MHz PC133 Models
The Original PC133 Flat iMac models have two memory slots, one easily accessable "User slot" under the base plate and a second more internal "Apple slot". The User slot requires a SODIMM type module while the Apple slot uses a DIMM type. The orignal factory installed modules reside in the Apple slot leaving the User slot empty. The User slot can accept up to 512MB and expanding beyond that requires replacing the factory Apple slot module with a 512MB module as well.
| PC133 Flat iMac model specs (700-800Mhz) | |
|---|---|
| Two memory slots, one User slot and one Apple slot | |
| processor speed | 700MHz and 800MHz |
| built in memory | 0 |
| memory type | PC133 |
| memory slots | 2 (1 User slot and 1 Apple slot) |
| maximum memory | 1GB |
| PC133 modules | ||
|---|---|---|
| US=User slot, AS=Apple slot (factory original supplied RAM is in the Apple slot) | ||
| 256MB US | 1 256MB SODIMM | $59.97 |
| 512MB US | 1 512MB SODIMM | $99.96 |
| 512MB AS | 1 512MB DIMM | $79.95 |
| 1GB Kit US+AS | 1 512MB SODIMM, 1 512MB DIMM | $179.89 |
Installation instructions for iMac here.
iMac G3 DV & SE
350-700MHz
Slot Loading CD
| G3 iMac DV & SE model specs | |
|---|---|
| Originally speced at 512MB maximum but currently expandable to 1GB | |
| processor speed | 350-700MHz |
| built in memory | 0 |
| memory type | PC100 or faster (ie. PC133) |
| memory slots | 2 |
| maximum memory | 1GB (with current firmware update) |
| PC133 modules (Mac RAM Direct's recommended upgrade) | ||
|---|---|---|
| Two identical memory slots reside under memory cover | ||
| 128MB | 1 128MB DIMM | $39.95 |
| 256MB | 1 256MB DIMM | $59.95 |
| 512MB | 1 512MB SODIMM | $79.95 |
| 1GB Kit | 2 512MB DIMMs | $139.95 |
Installation instructions for iMac here.
iMac Original
233-333 MHz G3
Tray loading CD (Bondi)
| iMac Original G3 model specs (Bondi) | |
|---|---|
| Originally speced at 256MB maximum but currently expandable to 512MB | |
| processor speed | 233-333MHz |
| built in memory | 0 |
| memory type | PC66 - PC100 |
| memory slots | 2 |
| maximum memory | 512MB (with curent firmware update) |
| PC100 modules (Mac RAM Direct's recommended upgrade) | ||
|---|---|---|
| US=Upper slot, LS=Lower slot (lower slot requires low profile) (factory origainal supplied RAM is in the Apple slot) | ||
| 128MB | 1 128MB SODIMM | $59.91 |
| 256MB US | 1 256MB SODIMM | $59.91 |
| 256MB LS | 1 256MB SODIMM | $69.91 |
| 512MB Kit | 2 256MB SODIMMs | $119.91 |