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

Computer Memory Solutions

Computer Memory Solutions 32GB (2x16GB) DDR4 2400 CL17 DIMM C114

SKU CH-Z1XF-FJJ9E

A 32 GB DDR4 kit of two 16 GB DIMMs at 2400 MHz CL17 for ASRock A320M, B250, B350 and B450 boards

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 32 GB kit upgrades compatible ASRock boards to 64 GB max
  • 2400 MHz DDR4 modules run at 1.2 V for efficient power use
  • CL17 17-17-17 timing delivers responsive desktop performance
  • Unbuffered non-ECC 288-pin DIMMs install directly in four slots
  • Two 16 GB sticks from CMS validated for listed motherboard models

Targeted System Memory

This 32GB kit contains two 16GB DDR4 DIMMs validated for specific ASRock motherboards. It is built for owners of the listed A320M Pro4, AB350 Pro4, AB350M Pro4, B250 Pro4, B250M Pro4, B450 Pro4 and B450M Pro4 boards who need a matched pair. Builders using other platforms should verify support before purchasing.

Physical Design and Installation

Each module uses a standard 288-pin unbuffered layout without a heat spreader, keeping the profile low for tight CPU cooler clearances. The 1.2V operating voltage matches the DDR4 baseline for these boards. Installing the pair fills two of the four available slots, leaving room to reach the 64GB maximum capacity later.

DDR4 2400 Performance Boundary

The kit runs at DDR4 2400 with CL17 17-17-17 timings, delivering PC4 19200 bandwidth on compatible systems. Boards limited to lower memory speeds will downclock the modules automatically. The 64GB ceiling across four slots means this 32GB kit cannot be expanded beyond two additional sticks of similar specification.

Highlights

  • 32 GB kit upgrades compatible ASRock boards to 64 GB max
  • 2400 MHz DDR4 modules run at 1.2 V for efficient power use
  • CL17 17-17-17 timing delivers responsive desktop performance
  • Unbuffered non-ECC 288-pin DIMMs install directly in four slots
  • Two 16 GB sticks from CMS validated for listed motherboard models

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 Pro4, AB350 Pro4, AB350M Pro4, B250 Pro4, B250M Pro4, B450 Pro4, B450M Pro4 Motherboards
Package Content2 Memory RAM Sticks

Questions about this item

Does this DDR4 2400 CL17 kit run at the full 2400 MT/s on the listed ASRock boards?

The modules are rated DDR4 2400 (PC4 19200) with CL17 17-17-17 timing at 1.2 V. On the compatible ASRock A320M Pro4, AB350 Pro4, AB350M Pro4, B250 Pro4, B250M Pro4, B450 Pro4 and B450M Pro4 boards they will operate at up to 2400 MT/s, subject to the motherboard's memory controller and BIOS settings.

What physical clearance do the 288-pin DIMMs need inside the case?

Each stick is a standard 288-pin unbuffered DIMM without a heat spreader, so only the usual DIMM slot height and the motherboard's CPU-cooler clearance apply. No extra length or width beyond the JEDEC form factor is required.

Which slot pair should I populate first on a four-slot board, and what mistake do builders make?

On the four-slot ASRock boards listed, install the two 16 GB modules in the same-coloured slots (usually slots 2 and 4) to run dual-channel. The common error is placing them in adjacent slots 1 and 2, which forces single-channel operation.

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