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Two green DDR4 RDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 128GB (2 x 64GB) DDR4 3200 PC4-25600 4Rx4 ECC RDIMM server RAM

SKU CH-MW6Y-1Z9PV

A 128 GB DDR4 kit of two 64 GB ECC registered modules running at 3200 MT/s with CAS 22 latency and 1.2 V operation

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 128 GB total capacity for large server workloads
  • Dual 64 GB modules populate two DIMM slots
  • DDR4 3200 speed with PC4-25600 bandwidth
  • ECC and registered design protects data integrity
  • 2 V operation reduces power draw

Server memory kit for registered DDR4 platforms

This 128GB kit contains two 64GB ECC RDIMM modules built for servers that require registered DDR4 memory. It is not compatible with standard desktop or laptop motherboards that accept only unbuffered DIMMs.

DDR4 3200 interface limits bandwidth to PC4-25600

The modules operate at 3200MHz with a CAS latency of 22 and run at 1.2V. Throughput is capped by the DDR4 3200 standard, so workloads needing higher memory bandwidth will not benefit from faster data rates on this kit.

288-pin RDIMM form factor with 4Rx4 organisation

Each module uses a 288-pin registered design and a 4Rx4 chip layout sourced from major OEM suppliers. The registered buffer adds a clock cycle of latency and requires a motherboard with RDIMM support; systems built for UDIMMs will not post with these modules installed.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $926.99
Pricier than about 80% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
CAS latency 22
Lower than about 80% of the 439 comparable items (median 40).
Price per GB $7.24 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Model namePart#: MR25600-944K2-SM-AS-2014S-TR
Part numberPart#: MR25600-944K2-SM-AS-2014S-TR
Total capacity128 GB (2 × 64 GB)
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latency22
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Power
Rated voltage1.2 V

Questions about this item

Should I choose the 128GB kit or a different capacity for my server?

This kit provides 128GB total as two 64GB modules. Select it when your platform requires 4Rx4 registered ECC memory and has two available DDR4 slots.

What does the DDR4 3200 speed mean once the modules are installed?

The modules run at 3200 MT/s with CAS latency 22 at 1.2V. Actual throughput depends on the memory controller and how many ranks it can address per channel.

How does the PC4-25600 rating relate to the interface in practice?

PC4-25600 is the JEDEC designation for DDR4 3200. The 288-pin RDIMM form factor fits server DIMM slots that accept registered ECC memory.

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