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Two green DDR4 SO-DIMM sticks with black chips, no heat spreader

OWC

OWC 16GB (2x8GB) DDR4 2933MHz CL21 ECC SO-DIMM 1.2V 260-pin laptop RAM

SKU CH-0295-Z3M77

16 GB dual-channel DDR4 ECC SO-DIMM kit running at 2933 MHz CL21 for laptops, NAS and micro servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 16GB (2 x 8GB)

  • 16 GB dual-channel kit for smoother multitasking
  • ECC protection detects and corrects memory errors
  • 2933 MHz DDR4 speed with CL21 latency
  • 2 V low-voltage operation reduces power draw
  • Backward compatible with 2666, 2400 and 2133 MHz systems

ECC SO-DIMM kit for laptops and NAS

This dual-channel kit delivers 16 GB of DDR4 2933 MHz memory with error-correcting code support. It targets owners of compatible laptops, all-in-one PCs and NAS appliances who need data integrity alongside a straightforward capacity increase.

Unbuffered 260-pin modules without heat spreaders

Each 8 GB stick runs at the standard 1.2 V and meets JEDEC PC4-23400 CL21 timings. The low-profile SO-DIMM form factor fits tight SODIMM slots in thin-and-light notebooks and compact NAS units where taller modules would not seat.

Replaces slower or non-ECC DDR4 SO-DIMMs

The kit is backward compatible with 2666 MHz, 2400 MHz and 2133 MHz systems, so it works in older DDR4 platforms without configuration changes. Buyers who need registered DIMMs, higher frequencies than 2933 MHz or capacities beyond 16 GB should look elsewhere.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $120.99
Pricier than about 65% of the 2,079 comparable items (median $70.99).
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 1,886 items is 16 GB.
Price per GB $7.56 per GB
Pricier than about 66% of the 1,886 comparable items (median $5.94 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number2C9D41R8016P
Total capacity16 GB (2 × 8 GB)
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeUnbuffered
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forLaptops, All-in-One Systems, and NAS Systems

Other versions of this model

5 more in the same range

Questions about this item

What speed does the DDR4 2933MHz ECC SO-DIMM run at if my system only supports 2666MHz?

The kit is backwards compatible and will run at 2666MHz, 2400MHz or 2133MHz depending on the system's maximum supported speed.

Does this 260-pin SO-DIMM kit need a heat spreader to fit in a thin laptop?

No heat spreader is included, so the low-profile modules fit tight spaces in laptops, all-in-ones and NAS units.

Do I need to enable anything in BIOS for the ECC feature to work after installing both 8GB modules?

ECC operation requires a platform that supports ECC; if the hardware supports it, the feature is automatic with no extra BIOS step needed.

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