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Green bare circuit board DDR4 memory module with gold contacts and black chips no heat spreader

OWC

OWC 128GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM 3R2D48R4128G

SKU CH-C5T2-TSBQE

128 GB DDR4 3200 ECC registered RDIMM for TYAN GPU servers and Thinkmate RAX workstations

  • Total capacity128 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latency22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank8Rx4
  • 128 GB single-module capacity for high-density server upgrades
  • DDR4 3200 speed with CL22 latency for responsive data handling
  • ECC registered design detects and corrects errors in critical workloads
  • 2 V operation reduces power draw in dense configurations
  • Validated for TYAN GPU servers and Thinkmate RAX platforms

System-specific server memory

This OWC module provides 128GB of DDR4 3200 ECC registered memory in a single 288-pin RDIMM. It is built for TYAN GPU servers and Thinkmate RAX systems that require registered error-correcting modules. The 8Rx4 organisation and CL22 latency suit high-density server configurations. It operates at 1.2V and meets JEDEC and ROHS standards.

Compatibility check before ordering

Verify that your motherboard accepts DDR4 ECC registered RDIMMs and does not require unbuffered or load-reduced types. The module is validated for TYAN B7129F83AV14E8HR-N-HE, B7129F83AV8E4HR-N-HE, B8251T83E8HR-2T-N-EDA and Thinkmate RAX QN24-12E7 and QN24-22E7 platforms. It will not work in standard desktop computers. Confirm the system can address 128GB per slot and supports the 8Rx4 rank structure.

Build integration

The module runs at 3200MHz and is backward compatible with 2133, 2400, 2666 and 2933MHz bus speeds, allowing mixed-speed populations if the platform permits. Registered buffering reduces electrical load on the memory controller, freeing headroom for additional DIMMs. No heat spreader is fitted, so ensure chassis airflow covers the bare PCB. The single-module design leaves remaining slots open for further capacity expansion.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $725.99
Pricier than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
CAS latency 22
Typical for this category: the median of 483 items is 22.
Price per GB $5.67 per GB
Cheaper than about 68% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number3R2D48R4128G
Total capacity128 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latency22
ECC supportYes
Buffer typeRegistered
Memory rank8Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTYAN GPU Server B7129F83AV14E8HR-N-HE
TYAN GPU Server B7129F83AV8E4HR-N-HE
TYAN GPU Server B8251T83E8HR-2T-N-EDA
Thinkmate RAX QN24-12E7
Thinkmate RAX QN24-22E7

Questions about this item

What comes in the box and do I need anything else to install this 128GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM?

The package contains one 128GB 288-pin DDR4 3200 PC4-25600 CL22 8Rx4 1.2V ECC Registered RDIMM. No extra parts are required; the module plugs directly into a compatible server or workstation DIMM slot.

Should I choose this 128GB 8Rx4 module or a different capacity for my TYAN GPU Server B7129F83AV14E8HR-N-HE?

This single 128GB 8Rx4 Registered ECC DIMM is validated for the TYAN GPU Server B7129F83AV14E8HR-N-HE, B7129F83AV8E4HR-N-HE, B8251T83E8HR-2T-N-EDA and Thinkmate RAX QN24-12E7 and QN24-22E7. Select it when you need maximum capacity per slot; choose smaller Registered ECC modules only if your configuration requires lower density.

What does the 3200 PC4-25600 CL22 rating mean once the module is running in my server?

The module operates at 3200 MT/s with CAS latency 22 at 1.2V. It will also run at 2933, 2666, 2400 or 2133 MT/s if the platform dictates a lower speed, maintaining ECC Registered operation at each supported frequency.

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