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Two green SO-DIMM sticks with black chips no heat spreader

SK hynix

SK hynix HMA82GS7CJR8N-VK 32GB (2×16GB) DDR4 2666 ECC SO-DIMM server RAM

SKU CH-G6NX-81RK8 MPN HMA82GS7CJR8N-VK

Two 16 GB DDR4 2666 ECC SO-DIMM modules provide 32 GB of error-correcting memory for compatible servers and workstations

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ECC protection prevents data corruption in critical workloads
  • 32 GB total capacity supports larger datasets and virtual machines
  • DDR4 2666 speed delivers responsive server performance
  • 2Rx8 dual-rank layout increases memory density per slot
  • 2 V low-voltage operation reduces system power draw

Dual-channel 32 GB DDR4-2666 ECC kit

This kit pairs two 16 GB SO-DIMM modules for a total of 32 GB. It targets servers and workstations that require error-correcting memory in the compact 260-pin form factor. Unbuffered operation keeps latency low at CL19 while running at 1.2 V.

Replaces single-channel or non-ECC SO-DIMMs

Moving from a single 16 GB stick to this dual-channel kit doubles bandwidth and adds ECC protection. The upgrade is worthwhile when the platform supports DDR4-2666 and the workload benefits from both higher throughput and single-bit error correction.

Handles typical virtualization and database loads

Two ranks per module (2Rx8) give the memory controller enough density for moderate VM counts and mid-size datasets. Capacity runs out when the application set exceeds 32 GB or when the platform demands registered DIMMs instead of unbuffered SO-DIMMs.

Highlights

  • ECC protection prevents data corruption in critical workloads
  • 32 GB total capacity supports larger datasets and virtual machines
  • DDR4 2666 speed delivers responsive server performance
  • 2Rx8 dual-rank layout increases memory density per slot
  • 2 V low-voltage operation reduces system power draw

Specifications

BrandHynix
SeriesServer Memory
ModelHMA82GS7CJR8N-VK
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo

Questions about this item

What slot type and pin count does this 260-pin DDR4 SO-DIMM kit require?

Each 16 GB module uses a standard DDR4 SO-DIMM slot with 260 pins; the kit occupies two such slots.

Which orientation step is often missed when seating the modules?

Align the notch on the module with the key in the slot, press straight down until the side clips click, and verify both clips are fully engaged.

When should the ECC SO-DIMMs be replaced?

Replace modules if system logs report recurring correctable ECC errors or an uncorrectable failure on a specific stick.

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