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Green bare DDR4 UDIMM circuit board with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR4 3200 CL22 1.2V 288-Pin UDIMM memory upgrade

SKU CH-R8S7-7GH3G

Adds 8 GB of DDR4 3200 CL22 1.2 V memory to the ASUS ROG Strix B550-F Gaming WiFi II motherboard

  • Capacity8GB
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 8GB capacity expands multitasking headroom for everyday workloads
  • DDR4 3200 speed delivers responsive data throughput for desktop tasks
  • CL22 latency supports stable operation at rated frequency
  • 2V low voltage reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard desktop DIMM slots

Memory Upgrade for ASUS B550 Motherboards

This 8 GB DDR4 3200 module is built for the ASUS ROG Strix B550-F Gaming WiFi II motherboard. It runs at the standard 1.20 V and uses a 288-pin UDIMM form factor. The stick is unbuffered, non-ECC and carries a CL22 latency rating. It offers a direct drop-in upgrade for compatible desktop PCs.

Suited for Single-Stick Expansion

The single-rank 1Rx8 design works well for users adding one module to a board with free slots. Builders who need ECC error correction, registered buffering or a heat spreader should look elsewhere. Systems that require speeds beyond 3200 MT/s or capacities above 8 GB per slot are not served by this part.

Key Spec: CL22 Timing at 3200 MT/s

The CAS latency of 22 cycles at the rated 3200 MT/s speed determines how quickly the memory responds to the CPU. Matching this timing with existing modules avoids stability issues. If your current RAM runs at a different latency, mixing may cause errors or force the system to run slower.

Highlights

  • 8GB capacity expands multitasking headroom for everyday workloads
  • DDR4 3200 speed delivers responsive data throughput for desktop tasks
  • CL22 latency supports stable operation at rated frequency
  • 2V low voltage reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard desktop DIMM slots

Specifications

BrandNEMIX RAM
SeriesASUS Gaming Motherboard Compatible Series Memory
ModelASUS DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-818K1
Capacity8GB
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASUS
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank1Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content8GB (1X8GB) DDR4 3200MHZ PC4-25600 1Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Does the 288-pin UDIMM fit the ASUS ROG Strix B550-F Gaming WiFi II motherboard?

Yes, the 288-pin DDR4 UDIMM matches the DDR4 slots on that ASUS motherboard. Align the notch with the slot key and press firmly until both retention clips click into place.

What is the correct way to seat the module and which step is often missed?

Power off the PC, open the side panel, line up the notch on the 288-pin stick with the slot key, press down evenly until the clips snap shut, then power on and verify 3200 MT/s in the BIOS.

Will the CL22 1.20V module need any firmware updates or replacement parts over time?

No firmware updates are required for the memory itself. The module has no heat spreader, so keep case airflow adequate. If errors appear later, run a memory diagnostic to confirm the stick.

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