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Two green DDR4 DIMM sticks, no heat spreaders, 288-pin

Computer Memory Solutions

Computer Memory Solutions 64GB (2x32GB) DDR4 2666 CL19 DIMM memory upgrade - C143

SKU CH-AFGG-65NFG

64GB dual-channel kit with two 32GB DDR4 2666 CL19 DIMMs for ASUS ROG Maximus XI and XII Hero boards

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 speed rated at PC4 21300 for fast data transfer
  • CL19 CAS latency with 19-19-19 timing for responsive operation
  • 2 V low voltage reduces power draw and heat
  • Validated for ASUS ROG MAXIMUS XI and XII HERO motherboards

64GB DDR4 2666 Kit for ASUS ROG Boards

This 64GB kit contains two 32GB DDR4 2666 CL19 DIMMs built for ASUS ROG MAXIMUS XI HERO and XII HERO motherboards. The modules run at 1.2V with 19-19-19 timing and use unbuffered non-ECC chips. It is a straightforward capacity upgrade for those specific platforms.

Suits dual-channel 64GB builds, not larger arrays

Builders filling two slots on a compatible ROG board for 64GB total will match the rated speed and latency. Systems needing 128GB across four slots or users requiring ECC error correction should choose a different specification.

Two 32GB unbuffered non-ECC DIMMs at CL19

Each stick is a 32GB 288-pin DDR4 module rated at 2666 MT/s with CL19 latency. The kit delivers 64GB in a matched pair designed for the listed ASUS motherboards without heat spreaders.

Highlights

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 speed rated at PC4 21300 for fast data transfer
  • CL19 CAS latency with 19-19-19 timing for responsive operation
  • 2 V low voltage reduces power draw and heat
  • Validated for ASUS ROG MAXIMUS XI and XII HERO motherboards

Specifications

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 MAXIMUS XI HERO (WI-FI), ROG MAXIMUS XI HERO, ROG MAXIMUS XII HERO (Wi-Fi)
Package Content2 Memory RAM Sticks

Questions about this item

Does the kit include only the two 32 GB modules or are extra components supplied?

The package contains two 32 GB DDR4 DIMM modules and nothing else.

Should I choose this 64 GB CL19 kit or a lower-capacity alternative for my ROG MAXIMUS XI HERO?

The board supports up to 128 GB across four slots, so this 64 GB kit leaves two slots free for future expansion.

Will the rated 2666 MT/s speed run automatically once installed in a ROG MAXIMUS XII HERO (Wi-Fi)?

The modules operate at 2666 MT/s with CL19 timing at 1.2 V; the motherboard will apply these settings by default.

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