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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

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 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.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $45.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $5.75 per GB
Cheaper than about 68% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Gaming Motherboard Compatible Series Memory
Model nameASUS DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-818K1
Total capacity8 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASUS
In the box
Included items8 GB (1 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V 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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