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Green circuit board with black chips, gold edge connectors, thin rectangular SODIMM shape

OWC

OWC 3S2D41R808GB 8GB DDR4 3200 CL22 SODIMM TerraMaster upgrade

SKU CH-ABWB-DDWEC

8GB DDR4 3200 CL22 SODIMM upgrades TerraMaster T6-423, T9-423, T9-450, T12-450 and U12-423 NAS models

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo

Capacity 8GB

  • 8GB capacity expands multitasking headroom for TerraMaster NAS
  • DDR4 3200 speed matches PC4-25600 spec for responsive performance
  • CL22 latency and 1.2V voltage keep power draw low
  • 260-pin SODIMM form factor fits TerraMaster T-series and U12-423 bays
  • JEDEC and ROHS compliant build ensures warranty-safe upgrade

TerraMaster NAS memory upgrade

This OWC module adds 8 GB of DDR4 memory to compatible TerraMaster NAS units including the T12-450, T6-423, T9-423, T9-450 and U12-423. It is built for owners who need more capacity for virtual machines, container workloads or large file caches. The SODIMM form factor fits the slots in these specific appliances.

DDR4 3200 CL22 specification

The module runs at DDR4 3200 (PC4-25600) with a CAS latency of CL22 and operates at 1.2 V. It is a 260-pin unbuffered non-ECC SODIMM organised as 1Rx8. This exact speed, latency and voltage combination is the single specification that determines whether the NAS will recognise and stabilise the upgrade.

Sustained-load behaviour

JEDEC-standard construction and per-module testing mean the memory maintains rated timings during continuous background tasks such as RAID scrubbing, backup jobs or indexing. The lack of a heat spreader is normal for this class of SODIMM; the NAS chassis airflow handles thermal load during extended operation.

Highlights

  • 8GB capacity expands multitasking headroom for TerraMaster NAS
  • DDR4 3200 speed matches PC4-25600 spec for responsive performance
  • CL22 latency and 1.2V voltage keep power draw low
  • 260-pin SODIMM form factor fits TerraMaster T-series and U12-423 bays
  • JEDEC and ROHS compliant build ensures warranty-safe upgrade

Specifications

BrandOWC
Part Number3S2D41R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemTerraMaster T12-450
TerraMaster T6-423
TerraMaster T9-423
TerraMaster T9-450
TerraMaster U12-423

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Questions about this item

What real-world speed will the 3200 rating deliver inside my TerraMaster?

The module runs at DDR4 3200 with CL22 timing; the NAS will clock it to the highest speed its memory controller officially supports.

Does the PC4-25600 label limit the bandwidth I can actually use?

PC4-25600 is the JEDEC peak transfer rate for DDR4 3200; the TerraMaster chipset caps usable bandwidth to its own maximum supported memory speed.

Will the 260-pin SODIMM fit the memory slot on a T9-450?

Yes, the 260-pin DDR4 SODIMM form factor matches the slot used in the T9-450 and the other listed TerraMaster models.

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