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Two green SO-DIMM sticks with black chips, no heat spreader

A-Tech

A-Tech 4GB Kit (2x2GB) DDR3 1066MHz PC3-8500 SODIMM memory upgrade

SKU CH-JA0G-7DBXP

A 4 GB DDR3 1066 MHz SODIMM kit for compatible Apple MacBook, MacBook Pro, iMac and Mac mini models from 2008 to 2010

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Compatible systemsApple Mac Systems
  • 4GB kit (2×2GB) expands multitasking headroom on supported Macs
  • DDR3 1066MHz PC3-8500 matches factory memory speed exactly
  • 204-pin SO-DIMM form factor fits Late 2008 through Mid 2010 notebooks and desktops
  • 50V unbuffered non-ECC modules meet Apple electrical requirements
  • Validated for iMac, MacBook, MacBook Pro and Mac mini models listed

Kit details

This A-Tech kit supplies two 2GB DDR3 1066MHz SO-DIMM modules for a total of 4GB. It is built to the PC3-8500 standard and runs at 1.50V without ECC or buffering. The 204-pin form factor matches the slots used in the listed Apple notebooks, iMacs and Mac minis from 2008 to 2010.

Compatibility scope

The modules are validated for specific MacBook, MacBook Pro, iMac and Mac mini models released between 2008 and 2010, including 13, 15 and 17 inch MacBook Pro variants and 20, 21.5, 24 and 27 inch iMac variants. Systems that require registered or ECC memory, or that use a different DDR generation or pin count, cannot use this kit.

Deciding specification

The kit uses DDR3 SO-DIMM at 1066MHz (PC3-8500) with a 204-pin interface; if your Mac specifies a different speed, voltage or pin layout this memory will not fit or function.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $21.99
Cheaper than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.50 per GB
Cheaper than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Apple Mac RAM Memory Upgrades
Total capacity4 GB (2 × 2 GB)
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

Should I choose the 4GB kit (2x2GB) or a single 4GB module for my Late 2008 MacBook Pro?

The kit provides two 2GB SO-DIMMs for dual-channel operation on supported MacBook Pro models; a single 4GB module would run in single-channel mode.

What does the PC3-8500 rating mean for everyday use on a Mid 2010 MacBook?

PC3-8500 indicates DDR3-1066 speed; the Mac’s memory controller will run the modules at 1066MHz, giving standard DDR3 bandwidth for that platform.

Will the 204-pin SO-DIMM fit the memory slot in a 2009 iMac?

Yes, the 204-pin DDR3 SO-DIMM form factor matches the slots used in the listed 2009 iMac models.

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