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Green bare circuit board DDR4 288-pin ECC registered DIMM memory module

OWC

OWC 16GB DDR4 2400MHz ECC Registered RDIMM 2Rx8 CL17 1.2V 288-pin memory upgrade for Lenovo x3550 M5 x3650 M5

SKU CH-1R99-VNGK9

16 GB DDR4 2400 MHz ECC registered RDIMM for Lenovo x3550 M5 and x3650 M5 servers

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for dense server configurations
  • 2400 MHz DDR4 speed delivers responsive throughput for Lenovo x3550 M5 and x3650 M5
  • 2 V operation reduces power draw and heat in 24/7 environments
  • 16 GB dual-rank module expands capacity without occupying extra DIMM slots

Lenovo x3550 M5 & x3650 M5 DDR4 ECC RDIMM

This 16GB DDR4 2400MHz ECC Registered RDIMM is built for Lenovo System x3550 M5 (8869) and x3650 M5 (8871) servers. It runs at 1.2V with CL17 latency and a 2Rx8 organisation. The module replaces Lenovo part 4X70G88330 and adds error-correcting capacity to supported platforms.

Suits servers needing registered ECC memory.

This upgrade fits administrators expanding memory in the listed Lenovo servers or workstations that require registered ECC DDR4. It will not work in standard desktop computers and cannot be mixed with unbuffered modules. Buyers needing non-ECC or unbuffered DIMMs should look elsewhere.

Registered ECC DDR4 2400MHz CL17 1.2V 288-pin RDIMM

The single specification that decides fit is the registered ECC DDR4 2400MHz CL17 1.2V 288-pin RDIMM form factor. Only systems qualified for this exact module type will accept it; any other memory standard or rank configuration will be incompatible.

Points forts

  • ECC protection prevents data corruption in critical workloads
  • Registered design stabilises signal integrity for dense server configurations
  • 2400 MHz DDR4 speed delivers responsive throughput for Lenovo x3550 M5 and x3650 M5
  • 2 V operation reduces power draw and heat in 24/7 environments
  • 16 GB dual-rank module expands capacity without occupying extra DIMM slots

Caractéristiques

BrandOWC
Part Number2R4D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemLenovo System x3550 M5 (8869)
Lenovo System x3650 M5 (8871)

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Questions sur cet article

What is the CAS latency that limits throughput under sustained load?

The module runs at CL17, so each memory access waits seventeen cycles before data returns.

How much heat does the 1.2 V registered DIMM produce during all-day operation?

At 1.2 V the stick draws minimal power and has no heat spreader, so it stays cool inside a server chassis with normal airflow.

Which Lenovo server models must I already own for this 288-pin RDIMM to work?

It is validated for the Lenovo System x3550 M5 (8869) and x3650 M5 (8871) only.

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