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Four green 262-pin DDR5 SO-DIMM sticks without heat spreaders

OWC

OWC 128GB (4×32GB) DDR5 4800 CL40 ECC SODIMM laptop RAM

SKU CH-V5B6-WPAG9

128 GB DDR5 laptop kit with four 32 GB ECC unbuffered modules at 4800 MT/s CL40

  • Capacity128GB (4 x 32GB)
  • Type262-Pin DDR5 SO-DIMM
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules
  • DDR5 4800 MT/s speed for faster data throughput
  • CL40 CAS latency supports responsive operation
  • ECC unbuffered design detects and corrects memory errors
  • 1 V low voltage reduces power draw

OWC 128GB DDR5 ECC SODIMM Kit

This OWC upgrade kit delivers 128 GB of DDR5 memory across four 32 GB modules. It runs at 4800 MT/s with CL40 latency and operates at 1.1 V. The 262-pin SO-DIMM form factor fits compatible laptops, all-in-one systems and NAS units that support ECC unbuffered memory.

Suited for ECC-capable workstations and NAS

Systems that require error-correcting code memory for data integrity will benefit from this kit. Machines without ECC support in the BIOS or chipset cannot use these modules. Buyers needing non-ECC SODIMMs or lower-capacity kits should choose a different product.

128 GB ECC unbuffered DDR5 at 4800 MT/s

The decisive specification is the combination of 128 GB total capacity, ECC unbuffered operation and 4800 MT/s JEDEC speed. Verify that your platform explicitly supports ECC SO-DIMMs before purchase.

Ciri-ciri utama

  • 128 GB total capacity from four 32 GB modules
  • DDR5 4800 MT/s speed for faster data throughput
  • CL40 CAS latency supports responsive operation
  • ECC unbuffered design detects and corrects memory errors
  • 1 V low voltage reduces power draw

Spesifikasi

BrandOWC
Part Number4C8D52R8128S
Capacity128GB (4 x 32GB)
Type262-Pin DDR5 SO-DIMM
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

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Will the 4 × 32 GB DDR5 modules need any firmware updates or periodic re-seating?

DDR5 memory has no user-serviceable firmware and does not require re-seating under normal use; the modules are installed once and remain in place.

What limits sustained throughput first — the CL40 latency or the 4800 MT/s data rate?

The 4800 MT/s JEDEC speed sets the maximum sustained bandwidth; CL40 latency affects access time but does not cap throughput.

How much extra heat or power do four 1.1 V ECC SODIMMs add when the laptop runs all day?

Each module operates at 1.1 V; total power draw scales with capacity and workload but stays within standard DDR5 SO-DIMM thermal limits.

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