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
Eight green DDR4 RDIMM sticks in a row

A-Tech

A-Tech 128GB (8x16GB) DDR4 2666 ECC RDIMM 2Rx8 server RAM

SKU CH-2R7V-VNFDR

Eight 16 GB DDR4 2666 MHz ECC registered DIMMs deliver 128 GB with CL19 latency at 1.20 V for server workloads

  • Capacity128GB (8 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered

Capacity 128GB (8 x 16GB)

  • 128 GB total capacity with eight 16 GB modules for high-density server workloads
  • ECC registered DIMM architecture protects data integrity in mission-critical environments
  • DDR4 2666 MHz speed rated at PC4-21300 for responsive throughput
  • Dual-rank 2Rx8 organisation on 288-pin modules optimises memory-channel efficiency
  • Standard 1.2 V DDR4 voltage keeps power draw predictable in dense configurations

128GB DDR4 2666 ECC RDIMM kit

This 128GB kit contains eight 16GB registered DIMMs that run at 2666 MHz with CL19 latency and 1.20V operation. Each module uses a dual-rank x8 organisation and includes error-correcting code for data integrity. The 288-pin form factor fits DDR4 server and workstation platforms that require registered memory.

For servers and workstations needing registered

The kit suits administrators expanding capacity in compatible DDR4 servers or workstations that specify RDIMM support. It will not work in desktop or laptop systems that accept only unbuffered non-ECC modules. Buyers who need unregistered memory or a different speed grade should look at other options.

Straightforward installation

Installation follows the usual DIMM seating procedure outlined in the system manual; observe channel population rules for best performance. The most common issue is mixing registered and unbuffered modules or exceeding the platform's maximum rank count per channel. Verify the qualified vendor list before adding these modules.

Highlights

  • 128 GB total capacity with eight 16 GB modules for high-density server workloads
  • ECC registered DIMM architecture protects data integrity in mission-critical environments
  • DDR4 2666 MHz speed rated at PC4-21300 for responsive throughput
  • Dual-rank 2Rx8 organisation on 288-pin modules optimises memory-channel efficiency
  • Standard 1.2 V DDR4 voltage keeps power draw predictable in dense configurations

Specifications

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 16GB 2Rx8 PC4-2666V-R
Capacity128GB (8 x 16GB)
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

What motherboard slot and memory type are required for these 288-pin DDR4 modules?

They require a server or workstation motherboard with DDR4 RDIMM slots that support registered ECC memory.

Will these CL19 2666 MHz modules run at full speed if mixed with slower DDR4 ECC RDIMMs?

The system will clock all modules to the speed of the slowest installed kit.

How can I confirm the kit is running as 128 GB of dual-rank ECC RDIMM at 2666 MHz?

Check the BIOS memory information or run a tool like CPU-Z to verify total capacity, speed, rank and ECC status.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.