We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Single green 288-pin DDR4 RDIMM with black Samsung chips and gold contacts

A-Tech

A-Tech 128GB DDR4 2933MHz ECC Registered RDIMM 288-Pin Server Memory

SKU CH-C4RJ-GJ8KN

128 GB DDR4 2933 MHz ECC registered RDIMM with Samsung chips, Supermicro certified, CL21 latency at 1.2 V

  • Total capacity128 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetSamsung Chipset
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • 128GB capacity handles large server workloads
  • DDR4 2933MHz speed delivers PC4-23400 bandwidth
  • ECC registered design protects data integrity
  • Samsung 3DS TSV quad-rank chipset enables high density
  • Supermicro certified module ensures validated compatibility

128GB DDR4 2933MHz ECC RDIMM

This 128GB DDR4 2933MHz ECC Registered RDIMM is built for servers and workstations that require high-capacity, error-correcting memory. It uses a Samsung chipset and carries Supermicro certification for qualified platforms. The quad-rank 2S2Rx4 organisation suits dense memory configurations.

Installation notes

The module fits a standard 288-pin DDR4 RDIMM slot and runs at the standard 1.2V voltage. Registered DIMMs must be paired only with other registered modules; mixing with unbuffered UDIMMs will prevent the system from posting. Ensure the motherboard supports 4Rx4 quad-rank modules, as some platforms limit rank count per channel.

Compatibility checks

Verify that your system’s qualified vendor list includes the Supermicro MEM-DR412L-SL01-ER29 or Samsung M393AAG40M3B-CYF part numbers. Confirm the platform accepts DDR4 2933MHz registered ECC memory at CL21 latency. Check the maximum supported capacity per slot and total memory limit before ordering.

How it compares

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

Price $883.99
Pricier than about 79% 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 $6.91 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 nameSuperMicro
Product lineSupermicro Certified
Model nameMEM-DR412L-SL01-ER29
Total capacity128 GB
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetSamsung Chipset
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Memory rank2S2Rx4 (4Rx4)
Power
Rated voltage1.2 V

Questions about this item

How can I confirm the 128GB DDR4 2933MHz ECC RDIMM is detected at 2933 MT/s and CL21 after installation?

Enter the system BIOS or UEFI and open the memory information screen; it should show 128 GB total, 2933 MT/s speed, and CL21 latency for the module.

What comes in the box with the 1x 128GB RDIMM and is any extra hardware required?

The package contains one 288-pin RDIMM module; no cables, brackets, or additional components are included or needed for installation.

Which capacity and rank option should I choose for a Supermicro server needing 128GB per slot with 4Rx4 organisation?

Select the single 128GB module labelled 2S2Rx4 (4Rx4) as it matches the Supermicro MEM-DR412L-SL01-ER29 specification exactly.

More in ECC Server RAM

Similar items