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Green circuit board with black memory chips, gold edge connector, no heat spreader

A-Tech

A-Tech 128GB DDR4 2933MHz ECC LRDIMM CL21 1.2V 288-Pin Server RAM

SKU CH-DN3G-ES510

128 GB DDR4 2933 MHz ECC LRDIMM server memory with CL21 latency and 1.2 V operation

  • Total capacity128 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • 128 GB capacity handles heavy server workloads
  • DDR4 2933 MHz speed delivers high data throughput
  • ECC load-reduced design protects data integrity
  • 2 V operation reduces power consumption
  • Replaces Fujitsu S26361-F4083-E930, L428, L430, L930 modules

128GB DDR4 2933 ECC LRDIMM

This is a 128GB DDR4 server memory module rated at 2933MHz with CL21 latency. It uses a 288-pin LRDIMM form factor and operates at 1.2V with ECC and load-reduced buffering. The module is built as an equivalent replacement for specific Fujitsu part numbers including S26361-F4083-E930, L428, L430 and L930.

Suits Fujitsu server upgrades

This module suits administrators upgrading compatible Fujitsu servers that require 128GB DDR4 LRDIMM memory. It is not for desktop PCs, workstations or laptops that use standard UDIMM or SODIMM formats. Buyers needing non-ECC, registered RDIMM or lower-capacity modules should look at other product lines.

Check DDR4 LRDIMM support

Before ordering, verify your server motherboard and BIOS support 288-pin DDR4 LRDIMM modules at 2933MHz with 4DRx4/4Rx4 rank configuration. Confirm the maximum memory capacity per slot and total system limit. Ensure the platform accepts 1.2V operation and ECC load-reduced technology for stable operation.

How it compares

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

Price $986.99
Pricier than about 80% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $7.71 per GB
Pricier than about 54% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineFujitsu RAM Equivalent Replacement Memory
Model nameS26361-F4083-E930, S26361-F4083-L428, S26361-F4083-L430, S26361-F4083-L930
Part numberS26361-F4083-E930, S26361-F4083-L428, S26361-F4083-L430, S26361-F4083-L930
Total capacity128 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL21
ECC supportYes
Buffer typeLoad Reduced
Memory rank4DRx4/4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V

Questions about this item

Does my server need a DDR4 288-pin LRDIMM slot to use this 128GB module?

Yes. The module is a 288-pin DDR4 LRDIMM that requires a server motherboard with DDR4 LRDIMM slots and a memory controller that supports load-reduced DIMMs.

Can I mix this 2933MHz CL21 4Rx4 LRDIMM with older DDR4 RDIMMs in the same system?

No. Load-reduced DIMMs use a different electrical interface than standard registered DIMMs, and the 4Rx4 rank structure differs from typical RDIMM ranks, so they cannot be mixed in the same channel or system.

How can I confirm the module is running at 2933MHz with ECC active after installation?

Enter the server BIOS or UEFI and check the memory configuration screen; it should show 2933 MT/s, CL21 timings, 1.2 V, and ECC enabled for the installed 128GB LRDIMM.

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