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Two green 288-pin DDR4 DIMM sticks without heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM4096642666DIMM 64GB (2x32GB) DDR4 2666 CL19 memory upgrade

SKU CH-8QW0-BFM4J

64 GB dual-channel kit of two 32 GB DDR4 DIMMs running at 2666 MHz with CL19 timings, validated for Gigabyte C246-WU4 and X570 AORUS Elite, Elite WiFi and Master 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
  • CL19 latency with 19-19-19 timing
  • 2 V low-voltage unbuffered operation
  • Validated for Gigabyte C246-WU4 and X570 AORUS boards

64GB DDR4 Kit for Gigabyte Boards

This 64GB kit contains two 32GB DDR4 2666 modules built for Gigabyte C246-WU4 and X570 AORUS motherboards. It runs at 1.2V with CL19 timings in an unbuffered, non-ECC 288-pin DIMM format. The matched pair is suited for workstations and high-capacity desktop builds that need 64GB in two slots. It is not for systems limited to lower maximum memory or boards that require registered or ECC modules.

Standard Voltage and Unbuffered Design

Operating at the standard 1.2V DDR4 voltage, the modules draw typical power for this speed and density without extra cooling hardware. The unbuffered layout keeps electrical loading low on the memory controller at 2666 MT/s. No heat spreader is fitted, so airflow across the sticks handles thermals in a normal chassis. Noise and power remain at baseline DDR4 levels for this configuration.

Matched Pair for Dual-Channel Operation

The kit supplies two identical 32GB sticks so the board can run dual-channel mode immediately. Manufacturer guidance recommends matched pairs to maximise performance and avoid mixed-module downclocking. A 64-bit operating system is required to address the full 64GB capacity. The board supports up to 128GB across four sockets if further expansion is needed later.

商品特色

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 speed rated at PC4 21300
  • CL19 latency with 19-19-19 timing
  • 2 V low-voltage unbuffered operation
  • Validated for Gigabyte C246-WU4 and X570 AORUS boards

商品規格

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 SystemGigabyte Motherboard C246-WU4, X570 AORUS ELITE, X570 AORUS ELITE WIFI, X570 AORUS MASTER
Package Content2 Memory RAM Sticks

商品問答

How do I install the 288-Pin DDR4 DIMMs on my Gigabyte X570 AORUS ELITE, and what step do people often miss?

Align the notch on each 32GB module with the slot key, press firmly until both side clips click, then enable the 2666MHz speed in the BIOS so the kit runs at its rated 2666 MT/s instead of the default JEDEC speed.

What maintenance or replacement will this 64GB kit need over time?

The unbuffered non-ECC modules have no moving parts or user-serviceable components; if a stick fails it is covered by the manufacturer's limited lifetime warranty and must be replaced as a unit.

What limit appears first when the 2x32GB CL19 kit runs sustained workloads?

The 1.2V DDR4 modules will hit thermal limits before voltage or timing constraints, so adequate case airflow around the 288-Pin DIMMs is the practical ceiling for long-duration use.

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