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Green circuit board with black memory chips and gold edge connectors

SK hynix

SK hynix HMAA8GR7AJR4N-XN 64GB DDR4-3200 ECC Reg Dual Rank server RAM

SKU CH-BT4R-ZXT13

64GB registered DDR4 server module at 3200MHz with ECC, CL24 latency and dual-rank organisation

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency24
  • Buffer typeRegistered
  • Product type288-Pin DDR4 SDRAM
  • 64 GB capacity supports large server workloads
  • DDR4-3200 speed delivers 25600 MT/s data rate
  • ECC registered design corrects errors for reliability
  • Dual rank architecture increases memory density
  • CL24 latency provides responsive access timing

64GB DDR4-3200 ECC Registered DIMM

This 64GB DDR4-3200 module is built for servers and workstations that require error-correcting registered memory. It suits administrators expanding capacity in compatible multi-socket platforms.

288-pin installation and dual-rank layout

The 288-pin DDR4 form factor fits standard registered DIMM slots. Dual-rank organisation increases density per channel; ensure the platform supports the resulting electrical load per slot.

Verify registered ECC support

Confirm the motherboard and CPU officially support registered ECC DDR4 at 3200 MT/s with CL24 timing. Systems limited to unbuffered memory or lower speeds will not operate correctly with this module.

How it compares

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

Price $484.99
Pricier than about 70% of the 6,523 comparable items (median $188.99).
Total capacity 64 GB
Higher than about 70% of the 6,064 comparable items (median 32 GB).
CAS latency 24
Lower than about 79% of the 439 comparable items (median 40).
Price per GB $7.58 per GB
Typical for this category: the median of 6,064 items is $7.25 per GB.

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

Specifications

Product
Brand nameIntel
Part numberHMAA8GR7AJR4N-XN
Total capacity64 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency24
ECC supportYes
Buffer typeRegistered

Questions about this item

How can I confirm the 64GB DDR4-3200 ECC Registered module is running at 3200 MT/s with CL24 after installation?

Enter the system BIOS or UEFI and check the memory information screen; it should report 3200 MT/s speed and CAS latency 24 for the installed DIMM.

What comes with the HMAA8GR7AJR4N-XN 64GB DDR4-3200 ECC Registered DIMM and what must be purchased separately?

The box contains the single 64GB 288-pin DDR4 Registered ECC DIMM; any additional DIMMs for multi-channel population or a compatible server motherboard are sold separately.

Which version of this 64GB DDR4-3200 ECC Registered memory should I choose for a dual-rank registered configuration?

The HMAA8GR7AJR4N-XN is the only listed version and it is a dual-rank Registered ECC module at 3200 MT/s CL24, so select this part number for that configuration.

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