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Timetec

Timetec MR-G8GD426S2E 32GB (4x8GB) DDR4 2666 CL19 1.2V 260-pin SODIMM laptop RAM

SKU CH-G7E0-PH45P

A 32 GB kit of four 8 GB DDR4 2666 SODIMMs with CL19 latency and 1.2 V operation for compatible 27‑inch iMac models

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forFor Apple System

Capacity 32GB (4 x 8GB)

  • 32 GB kit lets you load large projects faster
  • DDR4 2666 speed keeps data moving at PC4-21300 rates
  • CL19 latency reduces wait cycles for smoother multitasking
  • 2 V operation lowers power draw and heat in 27-inch iMac
  • 260-pin SODIMM form factor fits Mid 2019 and Mid 2020 iMac slots

Apple iMac 27-inch upgrade kit

This Timetec kit supplies 32 GB of DDR4 2666 memory in four 8 GB SO-DIMM modules. It targets the 27-inch iMac models from 2019 and 2020 that use 260-pin DDR4 slots. The unbuffered non-ECC design matches the factory specification for those systems.

DDR4 2666 SO-DIMM limits

The modules run at 2666 MHz with CL19 latency at 1.20 V. That speed is the ceiling for the compatible iMac memory controllers; faster DDR4 sticks will down-clock to this rate. Four slots are filled, so no further expansion is possible on these machines.

32 GB capacity headroom

The 32 GB total lets macOS keep large creative workloads, virtual machines and heavy browser sessions in RAM without swapping. Workflows that exceed 32 GB — such as 8 K video timelines or massive data-science datasets — will still hit the physical limit of these four slots.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $161.99
Pricier than about 72% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB (4 × 8 GB)
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $5.06 per GB
Cheaper than about 64% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameTimetec
Model nameMR-G8GD426S2E
Total capacity32 GB (4 × 8 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V
Compatibility
Recommended forFor Apple System

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 32 GB kit or a smaller capacity for my 27-inch iMac?

The 32 GB kit provides four 8 GB modules and fills all four slots in the 27-inch Mid 2019 and Mid 2020 iMac models. Smaller capacities leave slots empty and limit total memory.

What does the 2666 MHz rating mean once the modules are installed in my iMac?

The memory runs at 2666 MHz with CL19 latency and 1.2 V, giving the Mac the speed and timing specified by Apple for those iMac models.

Does the 260-pin DDR4 SO-DIMM interface limit the speed in these iMacs?

The 260-pin DDR4 SO-DIMM form factor matches the iMac slots exactly, so the 2666 MHz rating is achieved without any interface bottleneck.

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