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Two green circuit boards with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 8GB 2x4GB DDR3 1600 PC3-12800 1.35V 204-pin SODIMM MacBook Pro 2012 9,1 9,2 memory upgrade

SKU CH-EHPA-F02NA

An 8 GB dual-channel DDR3 SODIMM kit running at 1600 MHz and 1.35 V for 2012 MacBook Pro models 9,1 and 9,2

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL11
  • Buffer typeUnbuffered
  • Rated voltage1.35 V
  • 8 GB kit doubles MacBook Pro 2012 memory capacity
  • DDR3 1600 MHz PC3-12800 speed matches factory spec
  • Low 1.35 V voltage cuts power draw and heat
  • 204-pin SODIMM form factor fits 9,1 and 9,2 models exactly
  • Major OEM chips from Samsung, Micron or Hynix ensure reliability

MacBook Pro 2012 memory kit

This 8 GB kit contains two 4 GB DDR3 SODIMM modules built for the MacBook Pro 9,1 and 9,2 from 2012. It runs at 1600 MHz with PC3-12800 bandwidth and a low 1.35 V operating voltage. The unbuffered non-ECC design matches the factory specification for these notebooks.

Replaces factory 4 GB or 8 GB configurations

Upgrading from the base 4 GB layout eliminates the memory ceiling that limits multitasking and browser performance. Moving to this 8 GB kit is worthwhile when the system still uses original modules or when a single 4 GB stick leaves one slot empty. The dual-channel pair restores balanced throughput across both channels.

Handles everyday workloads with headroom

Eight gigabytes comfortably runs current macOS versions, multiple browser tabs, office suites and light creative apps without swapping. Heavy virtualisation, large photo libraries or video timelines will exceed the capacity and force compression or paging. The 204-pin DDR3 interface prevents any further expansion beyond this 8 GB limit.

How it compares

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

Price $47.99
Cheaper than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.00 per GB
Cheaper than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineApple iMac/Mac Mini Compatible Series Memory
Model nameApple DDR3 1600 MHz Non-ECC Unbuffered SODIMM
Part numberMS12800-428K2
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SODIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.35 V
Compatibility
Compatible systemsApple
In the box
Included items8 GB (2 × 4 GB) DDR3 1600 MHz PC3-12800 2Rx8 1.35 V 204-PIN Non-ECC Unbuffered SODIMM KIT

Questions about this item

Will the 204-pin SODIMM modules fit the memory slots in my MacBook Pro 9,1 or 9,2?

Yes, the kit uses 204-pin DDR3 SODIMMs, which is the exact form factor required by the 2012 MacBook Pro models 9,1 and 9,2.

What is the correct way to seat the modules so they are recognised at boot?

Insert each stick at an angle, align the off-centre notch with the slot key, then press down evenly until the side clips click into place on both sides.

Will I need to replace the modules again if I upgrade macOS in the future?

No, the 8 GB DDR3 1600 kit operates at 1.35 V with CL11 timing and contains no moving parts, so it remains compatible for the usable life of the machine.

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