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Two green circuit boards with black memory chips, no heat spreader, 260-pin DDR4 SODIMM form factor

Computer Memory Solutions

Computer Memory Solutions CM512642400SO 8GB (2x4GB) DDR4 2400 CL17 SODIMM memory upgrade

SKU CH-YWE2-CD6DT

8 GB kit of two 4 GB DDR4 2400 CL17 SODIMM modules built for the 27-inch 5K iMac (Mid 2017, Core i5 3.4 GHz)

  • Capacity8GB (2 x 4GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 8GB dual-channel kit boosts multitasking headroom for Mid-2017 iMac
  • DDR4 2400 CL17 timing matches factory memory specifications exactly
  • 2 V low-voltage operation keeps thermals in check inside the 27-inch enclosure
  • 260-pin SODIMM form factor slots straight into the four iMac memory sockets
  • Guaranteed compatibility with Apple iMac Core i5 3.4 27-Inch 5K MNE92LL/A

Compatible iMac Memory Upgrade

This 8 GB kit contains two 4 GB DDR4 SO-DIMM modules built for the Apple iMac "Core i5" 3.4 27-Inch (5K, Mid-2017) model MNE92LL/A. It runs at 2400 MHz with CL17 timing at 1.2 V. The unbuffered, non-ECC design matches the factory specification for this system.

Suitable for owners of the listed iMac

The kit fits the four SO-DIMM slots in the Mid-2017 27-inch iMac and restores the original 8 GB capacity when replacing a base configuration. Buyers who need more than 8 GB total memory should look at higher-capacity kits. Systems other than the specified iMac model are not supported by this compatibility guarantee.

DDR4 2400 CL17 260-Pin SO-DIMM

The decisive specification is the DDR4 2400 (PC4 19200) speed combined with 260-pin SO-DIMM form factor, CL17 latency and 1.2 V operation. These parameters must match the iMac's memory controller requirements for the system to recognise and run the modules correctly.

Highlights

  • 8GB dual-channel kit boosts multitasking headroom for Mid-2017 iMac
  • DDR4 2400 CL17 timing matches factory memory specifications exactly
  • 2 V low-voltage operation keeps thermals in check inside the 27-inch enclosure
  • 260-pin SODIMM form factor slots straight into the four iMac memory sockets
  • Guaranteed compatibility with Apple iMac Core i5 3.4 27-Inch 5K MNE92LL/A

Specifications

BrandComputer Memory Solutions
ModelCM512642400SO
Capacity8GB (2 x 4GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple iMac "Core i5" 3.4 27-Inch (5K, Mid-2017), MNE92LL/A
Package Content2 Memory RAM Sticks

Questions about this item

Should I choose the 8 GB (2×4 GB) kit or a different capacity for my iMac?

This kit provides two 4 GB modules for a total of 8 GB. The iMac 27‑inch (Mid‑2017) supports up to 64 GB across four slots, so you can add another identical kit later if you need more memory.

What does the 2400 MHz rating mean once the modules are installed?

The memory will run at 2400 MHz (PC4‑19200) with CL17 timing at 1.2 V, delivering the standard DDR4 bandwidth for this iMac model.

Will the 260‑pin DDR4 SO‑DIMM interface work in my Mid‑2017 iMac?

Yes. The kit uses 260‑pin DDR4 SO‑DIMM modules, which is the exact form factor and generation required by the iMac 27‑inch (Mid‑2017).

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