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Green rectangular DDR4 288-pin RDIMM module with black chips and gold contacts

A-Tech

A-Tech 8GB DDR4 2666 ECC RDIMM 1Rx8 for IBM-Lenovo 01AG617 01KR186 01KR363 4X70P98201 7X77A01301 Server Memory

SKU CH-5Q3V-4XRTJ

An 8 GB DDR4 2666 MHz ECC registered DIMM with CL19 latency and 1.20 V operation for compatible IBM-Lenovo servers

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • 8GB capacity expands server memory headroom for heavier workloads
  • DDR4 2666MHz PC4-21300 speed accelerates data throughput
  • ECC RDIMM registered design detects and corrects single-bit errors
  • 1Rx8 single-rank layout simplifies population across 288-pin slots
  • 20V standard voltage keeps power draw low

8GB DDR4 2666 ECC RDIMM for Lenovo servers

This 8GB registered DIMM delivers error-correcting DDR4 memory at 2666 MT/s for compatible IBM-Lenovo servers and workstations. It targets administrators who need validated replacement modules for part numbers 01AG617, 01KR186, 01KR363, 4X70P98201 or 7X77A01301. The single-rank 1Rx8 organisation and 1.20 V operation match the original specifications.

Sustained load behaviour

Registered buffering and ECC protect data integrity during continuous multi-threaded workloads such as virtualisation or database serving. CL19 latency and the PC4-21300 data rate provide steady throughput without the variability seen in unbuffered consumer modules. Major-brand chips are tested to maintain stability across extended duty cycles.

Installation and common issues

The 288-pin DDR4 DIMM installs in standard server slots; alignment keys prevent backward insertion. Systems that require matched ranks or specific population orders may reject a single module added to an existing bank. Verify the platform’s qualified-vendor list and maximum supported capacity before purchase to avoid POST errors or reduced memory speed.

Points forts

  • 8GB capacity expands server memory headroom for heavier workloads
  • DDR4 2666MHz PC4-21300 speed accelerates data throughput
  • ECC RDIMM registered design detects and corrects single-bit errors
  • 1Rx8 single-rank layout simplifies population across 288-pin slots
  • 20V standard voltage keeps power draw low

Caractéristiques

BrandA-Tech
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor Brand Chipset
FeaturesMajor Brand Chips

Questions sur cet article

How much power does the 1.20V DDR4 2666 module draw when the server runs continuously?

The module operates at the standard DDR4 voltage of 1.20V. Registered ECC DIMMs at this voltage typically consume a few watts per stick under sustained load, keeping heat output low in a populated server chassis.

What must the system already provide for this 288-pin RDIMM to function?

The motherboard needs DDR4 DIMM slots that support registered ECC memory, a memory controller able to address 1Rx8 organisation, and a BIOS that recognises PC4-21300 speed at CL19.

Will this 1Rx8 registered stick work alongside older DDR4 ECC modules already installed?

Yes, provided the existing modules are also DDR4 registered ECC. The memory controller will run all populated channels at the lowest common speed and latency, so mixing CL19 2666 MHz sticks with slower or higher-latency kits is stable.

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