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NEMIX RAM
NEMIX RAM 8GB DDR4 2400 CL17 260-PIN SODIMM Apple iMac 21.5" 4K Mid 2020 memory upgrade
8GB DDR4 2400 CL17 SODIMM module upgrades the 21.5" 4K iMac (Mid 2020) with 1.2V unbuffered memory
- Capacity8GB
- SpeedDDR4 2400 (PC4 19200)
- ECCNo
- Buffered/RegisteredUnbuffered
- ChipsetMajor OEM Samsung, Micron, Hynix
- Voltage1.20V
- 8GB capacity expands iMac 21.5" 4K Mid 2020 multitasking headroom
- DDR4 2400 PC4-19200 speed matches factory memory specification
- CL17 CAS latency keeps timing consistent with original modules
- 20V low voltage reduces power draw and heat in slim all-in-one
- 260-pin SODIMM form factor fits Apple iMac memory slots directly
iMac 21.5″ 4K Mid 2020 upgrade
This 8 GB DDR4 SODIMM is built specifically for the Apple 21.5-inch iMac with Retina 4K display released in Mid 2020. It provides a single-module capacity increase for users who need more memory for everyday multitasking and creative applications. The module matches the system's required 260-pin form factor and 1.2 V operating voltage.
Tool-free slot access
Installation requires opening the memory compartment door on the rear of the iMac and pressing the module into the SODIMM slot until it clicks. The most common issue is incomplete seating, which causes the system to report no memory or fail to boot; reseating firmly usually resolves it. No drivers or firmware updates are needed for the module to be recognised.
Steady throughput for long sessions
The memory runs at 2400 MT/s with CL17 latency and 2Rx8 organisation, delivering consistent bandwidth during extended rendering, compilation or virtual-machine workloads. Major-brand Samsung, Micron or Hynix chips are stress-tested under load to maintain stability without throttling. The unbuffered non-ECC design keeps latency low for sustained interactive use.
Puntos fuertes
- 8GB capacity expands iMac 21.5" 4K Mid 2020 multitasking headroom
- DDR4 2400 PC4-19200 speed matches factory memory specification
- CL17 CAS latency keeps timing consistent with original modules
- 20V low voltage reduces power draw and heat in slim all-in-one
- 260-pin SODIMM form factor fits Apple iMac memory slots directly
Especificaciones
| Brand | NEMIX RAM |
|---|---|
| Series | Apple iMac/Mac Mini Compatible Series Memory |
| Model | Apple DDR4 2666MHZ ECC Unbuffered SODIMM |
| Part Number | MS19200-828K1 |
| Capacity | 8GB |
| Speed | DDR4 2400 (PC4 19200) |
| ECC | No |
| Buffered/Registered | Unbuffered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | Apple |
| CAS Latency | CL17 |
| Heat Spreader | No |
| Type | 260-PIN DDR4 SODIMM |
| Rank | 2Rx8 |
| Features | DDR4 Non-ECC Unbuffered SODIMM Motherboard Compatible |
| Package Content | 8GB (1X8GB) DDR4 2400MHZ PC4-19200 2Rx8 1.2V CL17 260-PIN Non-ECC Unbuffered SODIMM |
Preguntas sobre este artículo
How can I confirm the 2400 MHz CL17 module is running at its rated speed after installing it in my 21.5" 4K iMac Mid 2020?
Open About This Mac and click System Report; under Memory the installed SODIMM should show 2400 MHz, DDR4, and a CAS latency of 17.
What comes in the package and is any extra hardware required for the installation?
The box contains one 8 GB 260-pin DDR4 SODIMM (PC4-19200, 1.2 V, 2Rx8, CL17). No additional parts or tools are needed beyond what the iMac requires for memory access.
Should I choose the 2400 MHz CL17 version or the 2666 MHz ECC version listed in the specifications?
Select the 2400 MHz CL17 non-ECC SODIMM (part MS19200-828K1); it matches the Mid 2020 21.5" iMac's memory controller, while the 2666 MHz ECC module is a different configuration.
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