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Green circuit board with black memory chips no heat spreader 288 pin DDR5 RDIMM

A-Tech

A-Tech 24GB DDR5 4800 ECC RDIMM 1Rx8 Server RAM

SKU CH-YE6G-QXBZN

24GB DDR5 4800 ECC registered DIMM for server and workstation upgrades

  • Total capacity24 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetSamsung Chipset
  • CAS latency40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 24 GB capacity handles heavy server workloads
  • DDR5 4800 speed moves data at PC5-38400 bandwidth
  • ECC RDIMM design detects and corrects memory errors
  • 1Rx8 single-rank layout keeps signal timing clean
  • 10 V standard voltage reduces power draw

Server memory upgrade

This 24GB DDR5 module replaces the Samsung M321R3GA3BB0-CQK in compatible servers and workstations. It adds capacity to systems that accept registered ECC RDIMMs running at 4800 MT/s. Buyers who need non-ECC or unbuffered memory cannot use this part.

Registered ECC RDIMM

The module is a 288-pin DDR5 RDIMM with 1Rx8 organisation, CAS latency 40 and 1.10 V operation. Registered ECC buffering is the single specification that determines whether the motherboard and CPU memory controller will accept it.

Straightforward installation

Align the notch with the slot key and press until the latches click; the registered design adds no extra steps. The most common issue is mixing registered and unbuffered modules, which prevents the system from posting.

How it compares

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

Price $660.99
Pricier than about 74% of the 6,523 comparable items (median $188.99).
Total capacity 24 GB
Lower than about 55% of the 6,064 comparable items (median 32 GB).
CAS latency 40
Typical for this category: the median of 439 items is 40.
Price per GB $27.54 per GB
Pricier than about 89% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Samsung M321R3GA3BB0-CQK
Model nameA-Tech 24 GB DDR5-4800 ECC RDIMM Server RAM Module
Total capacity24 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetSamsung Chipset
Memory
CAS latency40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V

Questions about this item

What does the DDR5 4800 rating mean once the module is installed in a server?

The module runs at 4800 MT/s with CAS latency 40, delivering PC5-38400 bandwidth when the platform negotiates DDR5-4800 speed.

How does the 288-pin RDIMM interface limit real-world throughput?

The registered DDR5 DIMM uses a 288-pin connector and on-module register, so maximum throughput is capped at the DDR5-4800 data rate the platform supports.

Will this 1Rx8 stick fit a standard DDR5 RDIMM slot without a heat spreader?

Yes — it is a bare 288-pin RDIMM at standard 1.10 V height, so it seats in any DDR5 RDIMM slot that accepts single-rank modules.

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