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Green circuit board DDR4 RDIMM module with black chips no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR4 3200 ECC RDIMM Hynix HMA81GR7CJR8N-XN memory upgrade

SKU CH-7E2M-WZNTY

8GB DDR4 3200 ECC registered DIMM for Hynix servers, 1Rx8 CL22 at 1.2V

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 8GB capacity expands server memory for demanding workloads
  • DDR4 3200 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design detects and corrects errors for reliability
  • 2V operation reduces power draw in dense configurations
  • 288-pin RDIMM form factor fits compatible Hynix server boards

8 GB DDR4-3200 ECC RDIMM

This 8 GB registered DDR4 module operates at 3200 MT/s with CL22 latency and 1.20 V. It targets servers and workstations that require error-correcting code memory for data integrity. The single-rank 1Rx8 design uses 288-pin RDIMM form factor. Compatibility is validated for Hynix HMA81GR7CJR8N-XN systems.

Registered DDR4 speed ceiling

DDR4 RDIMM topology limits practical frequency scaling compared to unbuffered DIMMs. The registered buffer adds one clock cycle of latency, which caps maximum stable speeds on many server platforms. This module runs at the standard 3200 MT/s PC4-25600 rate without overclocking headroom. Builders needing higher throughput must verify motherboard QVL support.

ECC registered requirement

The module only works in systems that support ECC registered DDR4 memory. Consumer desktop chipsets and most laptop platforms will not recognise or boot with this RDIMM. Buyers must confirm their motherboard or server documentation lists registered ECC DDR4 compatibility before purchase.

How it compares

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

Price $78.99
Cheaper than about 70% 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 $9.87 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineHynix Server/Workstaion Compatible Series Memory
Model nameHynix DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-818K1
Total capacity8 GB
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHynix
In the box
Included items8 GB (1 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Should I choose the single 8GB stick or a larger kit?

The listing is for one 8GB module (1Rx8) running at DDR4 3200 with CL22; add a second identical stick only if your server board has a free 288-pin RDIMM slot and supports registered ECC.

What does the 3200 MT/s rating deliver in a live server?

At 3200 MT/s (PC4-25600) the module transfers data at the rated speed when the platform’s memory controller is set to DDR4 3200; actual throughput depends on the CPU and chipset memory subsystem.

How does the RDIMM interface affect compatibility and maximum capacity?

As a 288-pin DDR4 RDIMM with registered ECC, it requires a server or workstation board that supports registered modules; the register buffers address and command signals, allowing larger total capacities than unbuffered DIMMs.

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