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Green 260-pin DDR4 SODIMM module with black chips, 30 by 69.6 mm

Timetec

Timetec MR-H8GD424S2E 8GB DDR4 2400 CL17 SODIMM laptop RAM

SKU CH-19ME-8X0Z1

An 8 GB DDR4 2400 MHz SODIMM module with CL17 latency and 1.2 V operation, built for 2017 iMac 21.5-inch and 27-inch models

  • Total capacity8 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forFor Apple System

Capacity 8GB

  • 8GB capacity adds headroom for multitasking
  • DDR4 2400MHz speed loads data quickly
  • CL17 latency keeps responses snappy
  • 2V operation reduces power draw
  • 260-pin SODIMM fits 2017 iMac slots

Product Identity

This is an 8 GB DDR4 SO-DIMM built for 2017 iMac models with 21.5-inch or 27-inch Retina and non-Retina displays. It targets owners of those specific Apple desktops who want a single 8 GB module to add memory capacity.

Deciding Specification

The module runs at DDR4 2400 with CL17 latency and 1.20 V on a 260-pin unbuffered, non-ECC layout. That exact speed, timing and voltage combination is what makes it compatible with the listed iMac 18,1, 18,2 and 18,3 systems.

Thermals and Power

Standard DDR4 1.20 V operation keeps power draw low and heat output minimal inside the compact iMac chassis. No active cooling is required and the module runs silently under normal workloads.

How it compares

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

Price $39.99
Cheaper than about 65% of the 2,079 comparable items (median $70.99).
Total capacity 8 GB
Lower than about 60% of the 1,886 comparable items (median 16 GB).
Price per GB $5.00 per GB
Cheaper than about 65% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameTimetec
Model nameMR-H8GD424S2E
Total capacity8 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
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

What does the DDR4 2400 CL17 rating mean once the module is installed in a 2017 iMac?

The module runs at 2400 MHz with a CAS latency of 17 cycles, giving the iMac faster program loading and smoother multitasking within the system's supported memory specification

How does the PC4-19200 designation relate to the DDR4 2400 interface used by these iMacs?

PC4-19200 is the industry label for DDR4 2400 memory, confirming the module matches the iMac's required memory standard and voltage of 1.2V

Will the 260-pin SODIMM fit the memory slots in a 21.5-inch or 27-inch 2017 iMac?

Yes, the 260-pin DDR4 SODIMM form factor measuring 30 mm high by 69.6 mm long matches the slots in both 21.5-inch and 27-inch Mid 2017 iMac models

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