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Two green 204-pin DDR3L SODIMM modules in static bags

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600MHz SODIMM MacBook Pro 13" Mid-2012

SKU CH-B8XW-P6HK7

16 GB dual-channel DDR3L kit at 1600 MHz with 1.35 V operation for the 13-inch MacBook Pro (Mid-2012)

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 16 GB dual-channel kit doubles stock memory
  • DDR3L 1600 MHz CL11 timing matches factory spec
  • 35 V low-voltage modules run cooler in tight chassis
  • 204-pin SODIMM form factor fits Mid-2012 13" MacBook Pro
  • Two 8 GB sticks fill both slots for 16 GB max capacity

Compatible MacBook Pro 13-inch Mid-2012 Upgrade

This 16 GB kit uses two 8 GB DDR3L SODIMM modules rated at 1600 MHz with CL11 timing. It matches the 204-pin layout and 1.35 V voltage required by the Mid-2012 13-inch MacBook Pro with a 2.5 GHz Core i5 processor. The unbuffered, non-ECC design fits the two available memory slots in models such as MD101LL/A and MacBookPro9,2.

Kit contents and what changes

The package supplies two matched sticks so the notebook can run in dual-channel mode without mixing old and new modules. Replacing the original 4 GB (two 2 GB sticks) with this pair raises total memory to the 16 GB maximum the system supports. No heat spreaders are included, keeping the low-profile height needed for the slim chassis.

Check your exact model first

Verify the MacBook Pro is the 13-inch Mid-2012 edition identified as A1278 or MacBookPro9,2 before ordering. Earlier or later 13-inch models use different memory generations or slot counts and will not accept these DDR3L modules. The kit only works when both slots are free for the new pair.

How it compares

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

Price $36.99
Cheaper than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.31 per GB
Cheaper than about 92% 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 nameComputer Memory Solutions
Model nameCM10246412800SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsApple Macbook Pro "Core I5 in 2.5 13 in Mid-2012 Pc12800
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 2Rx8 DDR3L modules need any firmware updates or cleaning after installation?

No firmware or cleaning is required; the unbuffered 1.35 V sticks install directly into the 204-pin slots and run at CL11 11-11-11 timings.

What speed ceiling appears first when the MacBook Pro 13" Mid-2012 runs sustained loads with this 1600 MHz kit?

The memory controller in the Mid-2012 13-inch model caps DDR3L operation at 1600 MHz, so the kit runs at its rated PC3L 12800 ceiling.

How much extra heat or fan noise does the 16 GB (2×8 GB) DDR3L 1.35 V kit add during all-day use?

The low-voltage 1.35 V modules produce minimal additional heat, so the MacBook Pro's existing cooling handles all-day workloads without audible fan increase.

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