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Two green SO-DIMM memory modules with gold contacts and black chips

OWC

OWC 32GB (2x16GB) DDR3 1600MHz CL11 SO-DIMM 204-pin memory upgrade OWC1600DDR3S32P

SKU CH-GN5S-BXHPX MPN OWC1600DDR3S32P

32 GB DDR3-1600 CL11 kit (2×16 GB) for 2015 late 27″ iMac 5K and compatible DDR3 SO-DIMM systems

  • Capacity32GB (2 x 16GB)
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 32GB (2 x 16GB)

  • 8GB (2 x 4GB)
  • 12GB
  • 16GB
  • 32GB (2 x 16GB)

被劃上刪除線的選項確實存在，但本站並無供貨。

  • 32 GB total capacity from two 16 GB modules
  • 1600 MHz DDR3 speed rated at PC3-12800
  • Low 1.35 V operation reduces power draw
  • CL11 latency with 1.875 ns cycle time
  • 204-pin SO-DIMM fits laptops, mini PCs and NAS systems

32GB DDR3 1600MHz SO-DIMM kit

This 32GB kit contains two 16GB DDR3 1600MHz SO-DIMM modules rated at CL11 and 1.35V. It targets owners of late 2015 iMac 27-inch Retina 5K models and other systems that accept PC3-12800 204-pin unbuffered memory. The dual-rank modules use an 8-layer PCB built to meet JEDEC and Apple specifications.

Upgrade from 8GB or 16GB factory memory

The kit replaces the original 8GB or 16GB configurations shipped in compatible iMacs and select laptops, mini PCs or NAS units. The jump is worthwhile when applications such as video editing, virtual machines or large photo libraries exceed the current capacity and the system recognises 16GB per slot. Systems limited to 8GB per slot cannot use these modules.

Tool-free installation with slot-access constraints

Installation requires opening the memory door on the iMac rear or the service panel on supported laptops and mini PCs; no tools are needed beyond a fingertip latch. The most common issue is seating the 204-pin modules fully until the side clips click, otherwise the system reports no memory or kernel panics. Verify the firmware sees 32GB before reassembling.

商品特色

  • 32 GB total capacity from two 16 GB modules
  • 1600 MHz DDR3 speed rated at PC3-12800
  • Low 1.35 V operation reduces power draw
  • CL11 latency with 1.875 ns cycle time
  • 204-pin SO-DIMM fits laptops, mini PCs and NAS systems

商品規格

Capacity32GB (2 x 16GB)
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
ECCNo
Buffered/RegisteredUnbuffered

其他版本

同系列還有 2 款

同系列產品，記憶體、散熱器或時脈不同 — 下單前請先比較。

商品問答

Will the 204-pin SO-DIMM modules fit my late-2015 27-inch iMac with Retina 5K?

Yes, the kit is built for that model and uses the exact 204-pin DDR3 SO-DIMM form factor Apple specifies.

What is the correct way to seat the modules so the Mac recognises the full 32 GB?

Insert each stick at a slight angle until the gold contacts disappear, then press down firmly until both side clips click into the notches.

Do the dual-rank 16 GB sticks need any firmware updates or special cooling over their 0 °C to 85 °C operating range?

No firmware is required; the JEDEC-compliant modules run at standard 1.35 V and the low-noise 8-layer PCB handles heat within the rated temperature window.

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