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 modules with gold contacts and black heat spreaders

A-Tech

A-Tech 64GB (8x8GB) DDR4 2133 ECC RDIMM 1Rx4 Server RAM

SKU CH-C5M2-D6W8S

Eight 8 GB DDR4 registered ECC DIMMs totalling 64 GB at 2133 MHz with CL15 latency and 1.2 V operation

  • Capacity64GB (8 x 8GB)
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered

Capacity 64GB (8 x 8GB)

  • 64GB kit across eight modules expands server capacity
  • 2133 MHz DDR4 speed accelerates data throughput
  • ECC registered design protects data integrity
  • 2V operation reduces power draw
  • Single rank x4 layout optimises memory density

64GB DDR4 2133 ECC RDIMM kit

This 64GB kit contains eight 8GB registered DIMMs built for DDR4 servers and workstations. Each module runs at 2133 MHz with CL15 latency and 1.20V voltage. The single-rank x4 layout and ECC support suit multi-socket platforms that require registered memory. Desktops and laptops cannot use these modules.

Upgrade from lower-capacity RDIMM sets

Replacing smaller registered kits with this 8x8GB configuration adds 64GB of ECC capacity across all channels. The jump is worthwhile when workloads exceed the current memory ceiling and the platform supports 2133 MHz registered DIMMs. Systems limited to unbuffered memory or lower speeds will not accept this kit.

Install by following the system manual

Align each 288-pin module with the keyed slot and press until the retention clips engage. Common issues include mixing registered and unbuffered DIMMs, populating slots in the wrong channel order, or skipping the BIOS memory training step. The manual for the specific server or workstation gives the correct seating sequence.

Highlights

  • 64GB kit across eight modules expands server capacity
  • 2133 MHz DDR4 speed accelerates data throughput
  • ECC registered design protects data integrity
  • 2V operation reduces power draw
  • Single rank x4 layout optimises memory density

Specifications

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 8GB 1Rx4 PC4-2133P-R
Capacity64GB (8 x 8GB)
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
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

Will these 288-pin DDR4 RDIMMs fit my server's DIMM slots?

Yes, each module uses the standard 288-pin DDR4 RDIMM form factor designed for server and workstation motherboards that support registered ECC memory.

Do I need to populate all eight slots at once, or can I install them in stages?

You can install fewer than eight modules, but follow your system manual's channel and population rules; registered DIMMs often require specific slot order for proper operation.

Will the ECC function degrade over time and require module replacement?

ECC is a hardware feature of the DRAM and does not wear out; the modules only need replacement if a memory test reports uncorrectable errors or the system logs persistent faults.

Also in this aisle

People compared these

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