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Four green DDR3 SODIMM modules with gold contacts, no heat spreaders

A-Tech

A-Tech 8GB (4×2GB) DDR3 1333MHz PC3-10600 204-Pin SODIMM memory upgrade

SKU CH-GBZZ-HWDX3

Four 2 GB DDR3 1333 MHz SODIMM modules totalling 8 GB for compatible 2010 and 2011 iMac models

  • Total capacity8 GB (4 × 2 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Compatible systemsApple Mac Systems
  • Boosts multitasking with 8GB total capacity across four modules
  • DDR3 1333MHz speed accelerates application loading and system responsiveness
  • 204-pin SODIMM form factor fits compatible iMac memory slots
  • Validated for specific 2010 and 2011 iMac models including 21.5-inch and 27-inch
  • Major-brand chips and lifetime warranty ensure reliable long-term performance

Apple iMac DDR3 SODIMM kit

This A-Tech kit supplies four 2 GB DDR3 1333 MHz modules for a total of 8 GB. It is built for the 21.5-inch and 27-inch iMac models released in Mid 2010, Mid 2011 and Late 2011. The modules are unbuffered, non-ECC and run at 1.50 V.

Tool-free installation with slot limits

Each 204-pin SODIMM slides into the iMac's bottom memory door without tools. The four modules fill every slot on the supported models, so no further expansion is possible without removing existing sticks.

DDR3 1333 bus caps bandwidth

The PC3-10600 interface tops out at 1333 MT/s, limiting peak throughput to the rate of the DDR3 standard used by these iMacs. Systems that require faster memory or higher-density modules cannot use this kit.

How it compares

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

Price $46.99
Cheaper than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (4 × 2 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $5.87 per GB
Cheaper than about 67% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR3 Apple Mac RAM Memory Upgrades
Total capacity8 GB (4 × 2 GB)
Performance
Rated speedDDR3 1333 (PC3 10600)
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

How can I verify the 8GB kit is running at 1333MHz after installation?

Open About This Mac, click System Report, select Memory and confirm each slot shows 2GB DDR3 at 1333MHz with PC3-10600 labelling.

What comes in the package and do I need any extra parts for an iMac?

The box contains four 2GB DDR3 204-pin SODIMM modules; no additional components or tools are required for the listed iMac models.

Which capacity kit should I choose for a Mid 2011 27-inch iMac?

This 8GB kit (4×2GB) fills all four slots on the Mid 2011 27-inch iMac and matches the DDR3 1333MHz PC3-10600 specification.

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