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Two bare green DDR4 UDIMM sticks, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 UDIMM for MSI B550-A PRO memory upgrade

SKU CH-N40D-HS5V2

64 GB DDR4 3200 CL22 dual-channel kit (2×32 GB) built for MSI B550-A PRO motherboards

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 speed with PC4-25600 bandwidth rating
  • CL22 latency at 1.2 V for stable operation
  • 288-pin unbuffered non-ECC UDIMM form factor
  • Validated for MSI B550-A PRO motherboard compatibility

Product Identity

NEMIX RAM 64GB DDR4 3200 UDIMM kit delivers two 32GB modules rated at CL22 and 1.20V for the MSI B550-A PRO motherboard. The 288-pin unbuffered non-ECC design uses major OEM chips from Samsung, Micron or Hynix and runs at the standard PC4-25600 data rate. No heat spreaders are fitted, keeping the modules low-profile for tight CPU cooler clearances.

Ideal Users and Limits

This kit suits builders who need the full 64GB capacity supported by the board and want a straightforward two-slot population. Buyers who want tighter timings than CL22 or modules with integrated heat spreaders should look at other options. Systems requiring registered or ECC memory cannot use these unbuffered non-ECC DIMMs.

Decisive Specification

The 2Rx8 dual-rank organisation on each 32GB module determines how the memory controller addresses density and can affect maximum stable frequency on some MSI B550-A PRO BIOS revisions. Verify the motherboard's qualified vendor list for 2Rx8 32GB DIMMs before purchase.

Points forts

  • 64 GB total capacity from two 32 GB modules
  • DDR4 3200 speed with PC4-25600 bandwidth rating
  • CL22 latency at 1.2 V for stable operation
  • 288-pin unbuffered non-ECC UDIMM form factor
  • Validated for MSI B550-A PRO motherboard compatibility

Caractéristiques

BrandNEMIX RAM
SeriesMSI Gaming Motherboard Compatible Series Memory
ModelMSI DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-328K2
Capacity64GB (2 x 32GB)
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemMSI
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank2Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions sur cet article

What real-world bandwidth does the PC4-25600 rating on these 3200 MHz modules provide?

The DDR4 3200 kit is rated PC4-25600, which specifies the peak transfer rate the modules are validated to deliver when the motherboard runs them at 3200 MT/s.

Will the 288-pin DDR4 UDIMM interface work with the four slots on my MSI B550-A PRO?

Yes, each stick uses the standard 288-pin DDR4 UDIMM form factor that matches the four DIMM slots on the MSI B550-A PRO.

Do the modules need any extra clearance for a heat spreader when installed under a large CPU cooler?

The modules have no heat spreader, so they sit low in the slots and leave maximum clearance for oversized air coolers.

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