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Two green DDR4 DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM2048642400DIMM 32GB (2x16GB) DDR4 2400 CL17 ASRock A320M AB350M memory upgrade

SKU CH-7W7W-X98Z7

32 GB dual-channel DDR4 kit running at 2400 MHz CL17 for ASRock A320M and AB350M boards

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 32 GB capacity from two 16 GB modules for multitasking headroom
  • DDR4 2400 speed rated at PC4 19200 for responsive data throughput
  • CL17 17-17-17 timings at 1.2 V for efficient low-latency operation
  • Validated for ASRock A320M and AB350M series motherboards
  • Unbuffered non-ECC 288-pin DIMMs using major-brand chipsets

System-Specific DDR4 Kit

This 32 GB kit contains two 16 GB DDR4 modules built for ASRock A320M and AB350M motherboards. It targets owners of those boards who need the full 32 GB capacity the platforms allow.

Capacity and Headroom

Each stick delivers 16 GB at DDR4 2400 with CL17 timing and 1.2 V operation. The two-module set reaches the 32 GB maximum supported by the listed boards, leaving no free slots for further expansion.

DDR4 Interface Limits

The 288-pin unbuffered non-ECC design follows the DDR4 2400 standard used by these chipsets. Speed is fixed at 2400 MHz; the platform does not support higher DDR4 data rates or ECC functionality.

Highlights

  • 32 GB capacity from two 16 GB modules for multitasking headroom
  • DDR4 2400 speed rated at PC4 19200 for responsive data throughput
  • CL17 17-17-17 timings at 1.2 V for efficient low-latency operation
  • Validated for ASRock A320M and AB350M series motherboards
  • Unbuffered non-ECC 288-pin DIMMs using major-brand chipsets

Specifications

BrandComputer Memory Solutions
ModelCM2048642400DIMM
Capacity32GB (2 x 16GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemASRock A320M, A320M-DGS, A320M-HDV, A320M-ITX, AB350M, AB350M-HDV Motherboards
Package Content2 Memory RAM Sticks

Questions about this item

Will the CM2048642400DIMM 32GB kit run at 2400 MHz on my ASRock A320M-HDV if I keep one 16GB stick already installed?

The kit is rated DDR4 2400 CL17 at 1.2V. On an A320M-HDV the board will train all populated slots to the lowest common speed, so the existing module must also support 2400 MHz at 1.2V for the full kit to operate at its rated frequency.

How can I verify the CM2048642400DIMM modules are running at CL17 17-17-17 timings after installation?

Enter the UEFI on the ASRock A320M or AB350M board and open the DRAM Configuration screen; it will report 2400 MHz with timings 17-17-17 at 1.2V. CPU-Z on Windows shows the same values on the SPD and Memory tabs.

The box lists 2 memory RAM sticks — are mounting screws or a heat-spreader included for the AB350M-ITX build?

The package contains only the two 288-pin DDR4 DIMMs. No heat spreader, screws, or additional accessories are supplied; the modules are unbuffered non-ECC and install directly into the board's DIMM slots.

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