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Green rectangular DDR5 SODIMM module with black chips and gold contacts

OWC

OWC 4S8D51R808GB 8GB DDR5 4800 CL40 1Rx8 262-pin 1.1V SODIMM memory upgrade

SKU CH-PRG2-V4V6M

Adds 8 GB of DDR5 4800 CL40 SODIMM memory to compatible TerraMaster NAS models

  • Capacity8GB
  • Type262-Pin DDR5 Non-ECC SODIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS Latency40
  • Voltage1.1V
  • ECCNo
  • 8 GB capacity expands multitasking headroom for NAS workloads
  • DDR5 4800 speed delivers 38 400 MB/s bandwidth for faster data access
  • CL40 latency keeps response times tight under heavy load
  • 1 V operation reduces power draw and heat in compact enclosures
  • Validated for TerraMaster U12-500 PLUS, U4-500, U8-500 PLUS, T12-500 PRO, T9-500 PRO

TerraMaster NAS memory upgrade

This 8 GB DDR5 SODIMM is built for the TerraMaster U12-500 PLUS, U4-500, U8-500 PLUS, T12-500 PRO and T9-500 PRO. It adds capacity to compatible NAS units that ship with soldered or limited memory. The module follows JEDEC PC5-38400 timings at 4800 MHz with a CL40 latency. It is not suited for systems that require ECC or registered DIMMs.

Low-voltage unbuffered design

Operating at 1.1 V, the module draws minimal power and produces no audible noise because it has no moving parts. The unbuffered 1Rx8 organisation keeps the signal path short for stable operation in compact NAS chassis. Heat spreaders are absent, so airflow across the PCB handles the modest thermal load. Power consumption stays within the standard DDR5 SODIMM envelope.

Sustained workload behaviour

During long file transfers or parity calculations the memory maintains its rated 4800 MHz speed without throttling. The CL40 latency remains constant because the JEDEC profile does not rely on overclocking headroom. Errors do not accumulate because the DRAM is validated to meet OEM specifications for continuous operation. Capacity is fixed at 8 GB, so workloads needing more memory must use additional slots.

特長

  • 8 GB capacity expands multitasking headroom for NAS workloads
  • DDR5 4800 speed delivers 38 400 MB/s bandwidth for faster data access
  • CL40 latency keeps response times tight under heavy load
  • 1 V operation reduces power draw and heat in compact enclosures
  • Validated for TerraMaster U12-500 PLUS, U4-500, U8-500 PLUS, T12-500 PRO, T9-500 PRO

仕様

BrandOWC
Part Number4S8D51R808GB
Capacity8GB
Type262-Pin DDR5 Non-ECC SODIMM
SpeedDDR5 4800 (PC5 38400)
CAS Latency40
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemTerraMaster U12-500 PLUS
TerraMaster U4-500
TerraMaster U8-500 PLUS
TerraMaster T12-500 PRO
TerraMaster T9-500 PRO

このモデルの他のバージョン

同シリーズにさらに 5点

同じファミリーで、メモリ・クーラー・クロックが異なります — 購入前に比較してください。

この商品に関する質問

How do I install this 262-pin SODIMM in my TerraMaster NAS and what step is often missed?

Power off the unit, open the chassis, align the notch on the 262-pin DDR5 module with the slot key, press firmly until both side clips click, then reseat if the system does not POST.

What maintenance or replacement will this 8GB DDR5 4800 module need over time?

No scheduled maintenance is required; the module is a non-ECC unbuffered SODIMM rated at 1.1V with a limited lifetime warranty, so replacement only occurs if a fault develops.

What limit appears first when this CL40 DDR5 runs under sustained load in a TerraMaster U8-500 PLUS?

The primary limit is the JEDEC-standard CAS latency of 40 cycles at 4800 MT/s, which governs access timing before thermal or voltage constraints become factors.

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