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Green bare circuit board with black memory chips and gold edge connectors

OWC

OWC 128GB DDR4 2666 ECC Registered RDIMM 288-pin 1.2V CL19 8Rx4 memory upgrade

SKU CH-ZQHH-6CTEC

128 GB DDR4 2666 ECC registered RDIMM for Lenovo ThinkSystem Xeon SP Gen 1 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS Latency19
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in server workloads
  • 128GB single module maximises capacity per DIMM slot
  • DDR4 2666 CL19 at 1.2V delivers efficient performance
  • Compatible with Lenovo ThinkSystem SR590 SR630 SR650 and ThinkAgile VX5520
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server Memory Upgrade

This 128GB DDR4 ECC Registered RDIMM is built for Lenovo ThinkSystem servers using first-generation Xeon Scalable processors. It suits administrators who need maximum capacity per slot in SD650, SR590, SR630 or SR650 platforms.

Registered ECC Integration

The module plugs into a 288-pin DDR4 slot and requires a motherboard that supports registered memory with 8Rx4 organisation. It cannot be mixed with unbuffered or load-reduced DIMMs, freeing you from compatibility guesswork during installation.

Sustained Operation

JEDEC-standard 1.2V operation and CL19 timing at 2666MHz deliver stable throughput across long workloads. Backward compatibility with 2133MHz and 2400MHz buses lets the module run reliably even when the platform clocks memory down.

Besonderheiten

  • ECC registered design protects data integrity in server workloads
  • 128GB single module maximises capacity per DIMM slot
  • DDR4 2666 CL19 at 1.2V delivers efficient performance
  • Compatible with Lenovo ThinkSystem SR590 SR630 SR650 and ThinkAgile VX5520
  • JEDEC and RoHS compliant for warranty-safe upgrades

Technische Daten

BrandOWC
Part Number2R6D48R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2666 (PC4 21300)
CAS Latency19
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank8Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem (Xeon SP Gen 1) SD650
Lenovo ThinkSystem (Xeon SP Gen 1) SR590
Lenovo ThinkSystem (Xeon SP Gen 1) SR630
Lenovo ThinkSystem (Xeon SP Gen 1) SR650
Lenovo ThinkAgile (Xeon SP Gen 1) VX5520

Fragen zu diesem Artikel

Will the 128GB 2666 CL19 module hit a rank or capacity ceiling before the server board does?

Each stick is an 8Rx4 design. Your ThinkSystem board documents a maximum rank count per channel; if that limit is reached before the total GB ceiling, the module will not post.

Does the registered ECC design run hotter or louder than unbuffered DIMMs during 24/7 loads?

The module operates at 1.2V with no heat spreader. Registered ECC adds negligible power over unbuffered DDR4, so thermals and acoustics stay within standard server airflow specs.

Which ThinkSystem models must I already own for this RDIMM to be supported?

Supported platforms are Lenovo ThinkSystem SD650, SR590, SR630, SR650 and ThinkAgile VX5520 running Xeon SP Gen 1 processors.

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