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NEMIX RAM
NEMIX RAM 4GB DDR3 1866MHz PC3-14900 1.35V 204-Pin SODIMM iMac Late 2015 27 memory upgrade
4 GB DDR3 SODIMM running at 1866 MHz with CL13 latency and 1.35 V for late-2015 27-inch iMac
- Capacity4GB
- SpeedDDR3 1866 (PC3 14900)
- ECCNo
- Buffered/RegisteredUnbuffered
- ChipsetMajor OEM Samsung, Micron, Hynix
- Voltage1.35V
- 4GB capacity expands iMac Late 2015 memory for smoother multitasking
- DDR3 1866MHz PC3-14900 speed matches factory specifications exactly
- 35V low-voltage operation reduces power draw and heat output
- 204-pin SODIMM form factor fits 27-inch Retina iMac slot directly
- CL13 CAS latency delivers responsive memory access timing
iMac Late 2015 27-inch memory upgrade
This 4 GB DDR3 SODIMM module is built specifically for the Apple iMac Late 2015 27-inch model 17,1. It installs in a single 204-pin slot and adds 4 GB of system memory for everyday workloads. The kit contains one unbuffered non-ECC stick rated at PC3-14900 speed.
Low-voltage operation and thermal profile
Running at 1.35 V the module draws less power than standard DDR3 parts, helping keep internal temperatures modest in the all-in-one chassis. With no heat spreader the design relies on the iMac's existing airflow, so acoustic levels remain unchanged during typical use.
Direct-fit compatibility and lifetime warranty
The stick uses major OEM chips from Samsung, Micron or Hynix and matches the factory CL13 timing without BIOS adjustments. NEMIX RAM backs the module with a lifetime replacement warranty and technical support from IT staff familiar with Mac upgrades. Not suited for systems requiring ECC, registered memory or capacities above 4 GB per slot.
Highlights
- 4GB capacity expands iMac Late 2015 memory for smoother multitasking
- DDR3 1866MHz PC3-14900 speed matches factory specifications exactly
- 35V low-voltage operation reduces power draw and heat output
- 204-pin SODIMM form factor fits 27-inch Retina iMac slot directly
- CL13 CAS latency delivers responsive memory access timing
Specifications
| Brand | NEMIX RAM |
|---|---|
| Series | Apple iMac/Mac Mini Compatible Series Memory |
| Model | Apple DDR3 1866MHZ Non-ECC Unbuffered SODIMM |
| Part Number | MS14900-428LK1 |
| Capacity | 4GB |
| Speed | DDR3 1866 (PC3 14900) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.35V |
| Compatible System | Apple |
| CAS Latency | CL13 |
| Heat Spreader | No |
| Type | 204-Pin DDR3 SODIMM |
| Rank | 2Rx8 |
| Features | DDR3 Non-ECC Unbuffered SODIMM Motherboard Compatible |
| Package Content | 4GB (1X4GB) DDR3 1866MHZ PC3-14900 2Rx8 1.35V 204-PIN Non-ECC Unbuffered SODIMM KIT |
Questions about this item
How do I install the 204-pin SODIMM into my iMac 17,1, and which step do people often miss?
Remove the power cord, press the memory compartment door button, eject the existing modules by spreading the side clips, align the notch on the 204-pin SODIMM with the slot key, press firmly until the clips click shut, then replace the door before reconnecting power.
What maintenance or replacement will this 1.35V DDR3 module need over time?
No routine maintenance is required; the module has no heat spreader and no moving parts. Replace it only if memory diagnostics report errors or if you upgrade to a higher-capacity kit supported by the iMac 17,1.
What limit appears first when this CL13 1866MHz kit runs sustained workloads?
The DDR3 1866MHz CL13 specification sets the bandwidth ceiling; under sustained load the memory controller will throttle to stay within the 1.35V JEDEC voltage envelope before thermal limits become a factor.
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