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

OWC

OWC 16GB DDR4 3200 CL22 2Rx8 UDIMM for TerraMaster U8-322 U8-522 U8-722

SKU CH-GP0F-07N14

A 16GB DDR4 3200 CL22 UDIMM upgrade for TerraMaster U8-322, U8-522 and U8-722 NAS systems

  • Capacity16GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo

Capacity 16GB

  • Adds 16GB capacity to TerraMaster U8 NAS
  • DDR4 3200 speed with CL22 latency for responsive operation
  • JEDEC-standard 1.2V unbuffered module ensures warranty-safe upgrade
  • Backward compatible with 2133 2400 2666 2933MHz systems
  • Single 2Rx8 rank 288-pin DIMM fits TerraMaster U8-322 U8-522 U8-722

TerraMaster NAS Memory Upgrade

This 16GB DDR4 module is built for TerraMaster U8-322-9100, U8-522-9400 and U8-722-2224 NAS units. It replaces the TerraMaster A-URAMD4-16G part with a JEDEC-standard 288-pin UDIMM. The non-ECC unbuffered design matches the original system specification for straightforward DIY installation.

DDR4 3200 CL22 2Rx8 Specification

The single decisive specification is the DDR4 3200 speed rating at CL22 latency in a 2Rx8 configuration. Systems requiring PC4-25600 modules with 1.2V operation will accept this stick; units needing ECC, registered DIMMs or a different rank structure will not.

Capacity and Headroom

A single 16GB module adds substantial memory for multi-user file services, Docker containers and virtual machines on the compatible TerraMaster models. Workloads exceeding the installed total capacity will force the NAS to swap to disk, reducing responsiveness. Backward compatibility with 2133, 2400, 2666 and 2933MHz buses allows use in slower slots without configuration changes.

Highlights

  • Adds 16GB capacity to TerraMaster U8 NAS
  • DDR4 3200 speed with CL22 latency for responsive operation
  • JEDEC-standard 1.2V unbuffered module ensures warranty-safe upgrade
  • Backward compatible with 2133 2400 2666 2933MHz systems
  • Single 2Rx8 rank 288-pin DIMM fits TerraMaster U8-322 U8-522 U8-722

Specifications

BrandOWC
Part Number3U2D42R816GB
Capacity16GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemTerraMaster U8-322-9100
TerraMaster U8-522-9400
TerraMaster U8-722-2224

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Questions about this item

What does the 3200 MHz rating mean for my TerraMaster NAS?

The module runs at DDR4 3200 speed with CL22 latency, matching the JEDEC standard for PC4-25600 bandwidth.

Will the PC4-25600 standard limit performance in my U8-522-9400?

PC4-25600 is the JEDEC designation for DDR4 3200, so the module operates at its rated speed without downclocking in compatible TerraMaster models.

Does the 288-pin UDIMM fit the U8-722-2224 slots directly?

Yes, the 288-pin unbuffered DIMM matches the DDR4 slot layout on the U8-722-2224 and requires no adapter or bracket.

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