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Eight green DDR4 DIMMs with black chips, 288-pin registered ECC server memory

A-Tech

A-Tech 1TB (8x128GB) DDR4 2933 ECC RDIMM 2S2Rx4 3DS Server RAM

SKU CH-Z3QJ-RP89Y

Eight 128 GB DDR4 2933 ECC registered DIMMs deliver 1 TB of quad-rank 3DS server memory at 1.2 V and CL21 latency

  • Capacity1TB (8 x 128GB)
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered

Capacity 1TB (8 x 128GB)

  • 1TB kit (8×128GB) expands server capacity for heavy workloads
  • DDR4-2933 at CL21 delivers high throughput for data-intensive tasks
  • ECC RDIMM with 3DS/TSV quad-rank design protects data integrity
  • Registered 288-pin modules reduce electrical load on the memory bus
  • 2V standard voltage keeps power draw low at scale

Server memory kit for enterprise workloads

This 1 TB kit contains eight 128 GB DDR4 2933 MHz ECC registered DIMMs built for servers and workstations. Each module uses a 288-pin form factor and quad-rank 3DS/TSV organisation to maximise density per channel. The kit is intended for administrators expanding memory capacity in compatible DDR4 server platforms only.

Thermals noise and power draw in normal use

Operating at the standard DDR4 voltage of 1.20 V, the modules run within typical server thermal envelopes without additional cooling requirements. Registered buffering reduces electrical load on the memory controller, helping maintain signal integrity across all eight slots. No active cooling or acoustic profile is specified for this memory kit.

Capacity and rank configuration decide fit

The 1 TB total capacity delivered through eight quad-rank 3DS modules determines whether the target system can address this density per channel. Compatibility depends on the platform's qualified vendor list and maximum supported rank count per channel. Desktop and laptop systems cannot use these registered ECC DIMMs.

Highlights

  • 1TB kit (8×128GB) expands server capacity for heavy workloads
  • DDR4-2933 at CL21 delivers high throughput for data-intensive tasks
  • ECC RDIMM with 3DS/TSV quad-rank design protects data integrity
  • Registered 288-pin modules reduce electrical load on the memory bus
  • 2V standard voltage keeps power draw low at scale

Specifications

BrandA-Tech
SeriesA-Tech DDR4 Server Memory RAM
ModelA-Tech 128GB 2S2Rx4 PC4-2933Y-R
Capacity1TB (8 x 128GB)
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank2S2Rx4 (4Rx4 3DS/TSV)
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

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Questions about this item

How do I install these 288-pin DDR4 RDIMMs and what step is commonly missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both ejector clips lock, then verify in BIOS that all eight 128 GB modules are detected at 2933 MHz; the step often missed is checking the system manual for the correct channel population order.

What maintenance or replacement will this 1 TB kit need over time?

No routine maintenance is required; keep air intakes clean so the 1.2 V modules stay cool, and replace any stick only if memtest or the server's ECC logger reports uncorrectable errors on that specific 128 GB module.

What limit appears first when this quad-rank 3DS memory runs sustained workloads?

The memory controller's maximum supported rank count per channel is reached before bandwidth or thermal limits, so the system must support 4Rx4 3DS/TSV organisation to use all eight modules at 2933 MHz.

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