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Eight green 260-pin DDR4 SO-DIMM modules, no heat spreaders

OWC

OWC 256GB (8x32GB) DDR4 2933MHz CL21 ECC Unbuffered SODIMM 1.2V 260-pin laptop RAM

SKU CH-4KQK-EGCMW

Eight-module kit delivers 256 GB of DDR4-2933 ECC memory for laptops, NAS and micro-servers

  • Capacity256GB (8 x 32GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes
  • Massive 256GB capacity from eight 32GB modules for heavy multitasking
  • DDR4 2933MHz speed with CL21 latency boosts system responsiveness
  • ECC protection detects and corrects data errors automatically
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2666, 2400 and 2133MHz systems

256GB DDR4 ECC SODIMM kit for laptops and NAS

This kit provides 256GB of DDR4 2933MHz memory across eight 32GB unbuffered ECC modules. It targets laptops, all-in-one systems and NAS devices that accept 260-pin SO-DIMMs and can use ECC for data integrity.

JEDEC compliant 1.2V modules

The modules follow JEDEC PC4-23400 specifications at CL21 and run at 1.2V. They are backward compatible with 2666MHz, 2400MHz and 2133MHz systems, so the kit will downclock automatically when the platform requires a lower speed.

Suits high-capacity ECC upgrades in supported

Buyers needing maximum ECC capacity in a 260-pin form factor will benefit. Systems that cannot address 32GB per slot, that require registered DIMMs, or that lack ECC support in the memory controller should look at something else.

Pluspunten

  • Massive 256GB capacity from eight 32GB modules for heavy multitasking
  • DDR4 2933MHz speed with CL21 latency boosts system responsiveness
  • ECC protection detects and corrects data errors automatically
  • Low 1.2V operation reduces power draw and heat
  • Backward compatible with 2666, 2400 and 2133MHz systems

Specificaties

BrandOWC
Part Number2C9D42R8256K
Capacity256GB (8 x 32GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
Heat SpreaderNo
Recommend UseLaptops, All-in-One Systems, and NAS Systems

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Will any of the eight 32 GB modules need replacing over time?

The modules are built to JEDEC standards and carry a limited lifetime warranty, so no scheduled replacement is expected under normal use.

What limit appears first when the kit runs at 2933 MHz continuously?

Sustained operation is constrained by the CL21 latency and 1.2 V voltage envelope defined by the DDR4 JEDEC specification.

How much heat or noise does the 256 GB kit produce during all-day workloads?

With no heat spreaders and a low 1.2 V design, the modules generate minimal heat and operate silently in laptops, NAS units or micro servers.

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