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Green DDR4 ECC registered RDIMM with black chips no heat spreader 288 pins

OWC

OWC 16GB DDR4 2400MHz ECC Registered RDIMM 2Rx8 CL17 1.2V 288-pin Lenovo ThinkServer

SKU CH-ZDSQ-52QXM

16 GB DDR4 ECC registered RDIMM at 2400 MHz for Lenovo ThinkServer RD350, RD450, RD550, RD650 and TD350

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • 16 GB DDR4 ECC RDIMM for Lenovo ThinkServer RD350 RD450 RD550 RD650 TD350
  • Registered 2Rx8 design with CL17 latency at 2400 MHz for server stability
  • 2 V low-voltage operation reduces power draw in multi-module configs
  • JEDEC compliant PC4-19200 module replaces Lenovo part 4X70G88330
  • ECC registered architecture prevents data corruption in critical workloads

16GB DDR4 2400MHz ECC RDIMM for Lenovo ThinkServer

This OWC module is a 16GB DDR4 2400MHz ECC Registered RDIMM built for Lenovo ThinkServer systems. It runs at PC4-19200 speed with CL17 latency and 1.2V voltage. The 288-pin 2Rx8 design includes error-correcting code and registered buffering for server stability.

Suits ThinkServer RD350 RD450 RD550 RD650 TD350

It fits Lenovo ThinkServer models RD350, RD450, RD550, RD650 and TD350 using the E5-2600 v4 platform. Buyers who need unbuffered memory for a standard desktop should look elsewhere. It cannot be mixed with non-ECC or unbuffered modules in the same system.

Simple DIMM slot installation no heat spreader

Installation is a standard DIMM insertion into the 288-pin DDR4 slots on the supported ThinkServer boards. The module has no heat spreader, so ensure adequate chassis airflow. The main issue is attempting to use it in a consumer desktop or mixing it with unbuffered memory, which will prevent boot.

Highlights

  • 16 GB DDR4 ECC RDIMM for Lenovo ThinkServer RD350 RD450 RD550 RD650 TD350
  • Registered 2Rx8 design with CL17 latency at 2400 MHz for server stability
  • 2 V low-voltage operation reduces power draw in multi-module configs
  • JEDEC compliant PC4-19200 module replaces Lenovo part 4X70G88330
  • ECC registered architecture prevents data corruption in critical workloads

Specifications

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 ThinkServer (E5-2600 v4) RD350
Lenovo ThinkServer (E5-2600 v4) RD450
Lenovo ThinkServer (E5-2600 v4) RD550
Lenovo ThinkServer (E5-2600 v4) RD650
Lenovo ThinkServer (E5-2600 v4) TD350

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

Which Lenovo ThinkServer models must I already own for this OWC 16GB DDR4 2400MHz ECC RDIMM to work?

This module is validated for Lenovo ThinkServer RD350, RD450, RD550, RD650 and TD350 systems built on the E5-2600 v4 platform.

Can I keep my existing unbuffered DDR4 DIMMs and add this 2Rx8 registered ECC module alongside them?

No — registered ECC memory cannot be mixed with unbuffered DIMMs; all slots must use registered ECC modules of matching specification.

How do I confirm the 2400MHz CL17 1.2V module is running correctly after installation?

Check the system BIOS or UEFI memory information screen — it should report 2400 MT/s speed, CL17 latency, 1.2 V voltage and ECC registered status for each installed DIMM.

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