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Two green 204-pin DDR3 SODIMM modules, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR3 1866 PC3-14900 1.35V 204-Pin SODIMM Kit iMac 27" 2015 memory upgrade

SKU CH-TSD6-D3PTA

32 GB DDR3 SODIMM kit (2 × 16 GB) running at 1866 MHz CL13 1.35 V for the 27-inch 2015 iMac

  • Capacity32GB (2 x 16GB)
  • SpeedDDR3 1866 (PC3 14900)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.35V
  • 32 GB kit expands iMac 27" 2015 memory capacity
  • DDR3 1866 speed matches factory specification
  • 35 V low-voltage modules reduce power draw
  • 204-pin SODIMM form factor fits Late 2015 Retina 5K slot
  • CL13 latency supports responsive multitasking

iMac 27" Late 2015 32GB DDR3 Kit

This 32GB kit contains two 16GB DDR3 1866 SODIMM modules built for the Apple iMac 27-inch Late 2015 with Retina 5K display. It runs at 1.35V with CL13 latency and uses 204-pin unbuffered non-ECC chips from major OEM suppliers.

Suits owners of that specific iMac model

The kit matches the factory speed and voltage for the Late 2015 27-inch iMac, so it installs directly into the two SODIMM slots. Systems that require ECC, registered modules, a different pin count or a different DDR generation will not accept this memory.

Deciding spec: 1866MHz DDR3 204-pin SODIMM

The modules operate at DDR3 1866 (PC3-14900) in the 204-pin SODIMM form factor. If your Mac calls for that exact speed and pin layout, the kit fits; if the machine needs another speed, voltage or form factor, this memory will not work.

Highlights

  • 32 GB kit expands iMac 27" 2015 memory capacity
  • DDR3 1866 speed matches factory specification
  • 35 V low-voltage modules reduce power draw
  • 204-pin SODIMM form factor fits Late 2015 Retina 5K slot
  • CL13 latency supports responsive multitasking

Specifications

BrandNEMIX RAM
SeriesApple iMac/Mac Mini Compatible Series Memory
ModelApple DDR3 1866MHZ Non-ECC Unbuffered SODIMM
Part NumberMS14900-428LK2
Capacity32GB (2 x 16GB)
SpeedDDR3 1866 (PC3 14900)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.35V
Compatible SystemApple
CAS LatencyCL13
Heat SpreaderNo
Type204-Pin DDR3 SODIMM
Rank2Rx8
FeaturesDDR3 Non-ECC Unbuffered SODIMM Motherboard Compatible
Package Content32GB (2X16GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC Unbuffered SODIMM KIT

Questions about this item

Will my iMac 27" Late 2015 need a firmware update before it recognises the 1866 MHz DDR3 SODIMMs?

No firmware update is required; the Mac's memory controller detects the 1866 MHz DDR3 modules at boot and configures them automatically.

Can I keep one of the original 8 GB sticks and add a single 16 GB module from this kit?

The kit is validated as a matched 2 x 16 GB pair; mixing capacities or ranks can prevent dual-channel operation and may cause instability.

How do I confirm the memory is running at 1866 MHz with CL13 timing after installation?

Open About This Mac → System Report → Memory; each slot should show 16 GB, DDR3, 1866 MHz, and the timing will read CL13.

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