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Two green DDR4 DIMM sticks, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM4096642666DIMM 64GB (2x32GB) DDR4 2666 memory upgrade

SKU CH-GVAT-9SSY3

64 GB kit of two 32 GB DDR4 DIMMs running at 2666 MHz with CL19 timing for ASUS ROG Strix Z390 and Z490 motherboards

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 64 GB total capacity for demanding workloads using two 32 GB modules
  • DDR4 2666 speed rated at PC4 21300 for fast data throughput
  • CL19 19-19-19 timing at 1.2 V for efficient low-latency operation
  • Unbuffered non-ECC 288-pin DIMM design for standard desktop compatibility
  • Tested compatible with ROG STRIX Z390-H, Z490-A and Z490-E Gaming motherboards

64GB DDR4 2666 kit for ASUS ROG Strix Z390/Z490

This 64GB kit contains two 32GB DDR4 2666 DIMMs validated for ASUS ROG Strix Z390-H Gaming, Z490-A Gaming and Z490-E Gaming motherboards. The modules run at 1.2V with CL19 timings in an unbuffered, non-ECC layout. They install in the board's four 288-pin slots as a matched pair.

Builders expanding to 64GB on supported boards

The kit suits users whose Z390 or Z490 Strix board has free slots and a 64-bit OS to address the full capacity. It is not for systems limited to lower maximum memory, platforms requiring ECC or registered DIMMs, or laptops and small-form-factor builds that use SO-DIMMs. Mixing with slower modules will reduce overall speed to the slowest installed pair.

Maximum supported capacity of 128GB across four

The motherboard documentation lists a 128GB ceiling across four sockets, so this 64GB kit leaves room for a second identical pair later. Populating all four slots with matched 32GB modules reaches that limit while maintaining dual-channel operation at the rated 2666 MT/s data rate.

Pontos fortes

  • 64 GB total capacity for demanding workloads using two 32 GB modules
  • DDR4 2666 speed rated at PC4 21300 for fast data throughput
  • CL19 19-19-19 timing at 1.2 V for efficient low-latency operation
  • Unbuffered non-ECC 288-pin DIMM design for standard desktop compatibility
  • Tested compatible with ROG STRIX Z390-H, Z490-A and Z490-E Gaming motherboards

Especificações

BrandComputer Memory Solutions
ModelCM4096642666DIMM
Capacity64GB (2 x 32GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemASUS/Asmobile Motherboard ROG STRIX Z390-H GAMING, ROG STRIX Z490-A GAMING, ROG STRIX Z490-E GAMING
Package Content2 Memory RAM Sticks

Perguntas sobre este artigo

Will the 288-pin DDR4 DIMMs fit the four slots on my ROG STRIX Z390-H GAMING motherboard?

Yes, the kit uses standard 288-pin DDR4 DIMMs and the board provides four DDR4 slots supporting up to 128 GB total capacity.

Which slots should I populate first on the Z490-E GAMING and what common step is missed?

Install the two sticks in the same-coloured slots (usually A2 and B2) to run dual-channel, and press down firmly until both retention clips click — many builders only engage one clip.

Do the modules need any cooling or firmware updates over their service life?

No heat spreader is fitted and no firmware exists on the modules; they run at 1.2 V with major-brand chips, so only occasional dust removal from the slots is required.

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