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Green rectangular RDIMM module with black chips and gold edge connectors

SK hynix

SK hynix HMA82GR7CJR8N-WM 16GB DDR4-2933 2Rx8 RDIMM server RAM

SKU CH-5JYS-N7T2R

A 16 GB DDR4-2933 RDIMM with ECC and 2Rx8 organisation for server memory upgrades

  • ECC protection maintains data integrity in critical workloads
  • 16 GB capacity expands server memory resources
  • DDR4-2933 speed delivers high bandwidth for demanding applications
  • Registered RDIMM design supports stable multi-module configurations
  • 2 V operation reduces power draw per module

SK hynix 16GB DDR4-2933 RDIMM

This SK hynix module delivers 16GB of DDR4-2933 registered ECC memory in a single RDIMM. It operates at 1.2V with a standard-height profile and a 2Rx8 rank configuration. The part is built for server platforms that require registered DIMMs with error correction.

Upgrade from non-ECC or lower-capacity DIMMs

The jump is worth it when your workload demands data integrity through ECC and the platform requires registered modules. Replacing unbuffered or non-ECC memory with this RDIMM adds error detection and correction for critical applications. A capacity increase from smaller registered DIMMs also supports larger virtualisation or database footprints.

Verify RDIMM slot support and voltage

Confirm the motherboard accepts DDR4 RDIMMs at 1.2V and can run at 2933 MT/s or will downclock correctly. Check that the CPU memory controller supports registered DIMMs and the desired total capacity per channel. Ensure the standard-height form factor fits within your chassis and CPU cooler clearance.

How it compares

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

Price $124.99
Cheaper than about 60% of the 6,523 comparable items (median $188.99).

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

Specifications

No published specifications for this item yet.

Questions about this item

Will the 5.125 x 1.181 in RDIMM fit my server's DIMM slots?

This module uses the standard RDIMM form factor measuring 5.125 inches long by 1.181 inches high, matching the JEDEC outline for DDR4 server DIMMs.

What is the correct way to seat this 2Rx8 ECC module, and what step do installers often miss?

Align the notch with the slot key, press straight down until both side clips click, then verify the BIOS recognises 16 GB at 2933 MT/s with ECC active.

When should I plan to replace this 1.2 V DDR4-2933 stick?

DDR4 server memory has no scheduled replacement interval; replace only if diagnostics report uncorrectable ECC errors or the module fails to train at rated speed.

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