OWC 16GB (1x 16GB) CL13 DDR3L-1866 PC3L-14900 1.35V / 1.5V DR x8 204-pin SODIMM RAM Module

OWC 16GB (1x 16GB) CL13 DDR3L-1866 PC3L-14900 1.35V / 1.5V DR x8 204-pin SODIMM RAM Module


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Product Overview

This 16GB (1x 16GB) DDR3L 1866 MT/s Dual rank, x8 configuration RAM module from OWC is for use in DDR3L compatible systems and operates at 1866 MT/s with an overall transfer rate of PC3L-14900.

This RAM module also operates at a standard voltage of 1.35V / 1.5V with a CAS Latency of CL13, and is designed to allow you to run more applications simultaneously, switch between them faster, and provide a smoother computing experience.


Technical Specifications
Part No. OWC1867DDR3S16G
Capacity 16GB (1x 16GB)
Brand OWC
Speed DDR3L-1866 - 1866MT/s - PC3L-14900
Voltage 1.35V / 1.5V
Technology DDR3L
Error Correction Non-ECC
Signal Processing Unbuffered
Form Factor 204-pin SODIMM
Ranks Dual rank
CAS Latency CL13
Configuration x8
Pieces in Kit 1



You can verify the compatibility of this RAM module in a number of ways:

  • Use the RamCity Finder to see all guaranteed compatible RAM upgrades for your brand and model system or motherboard
  • Search online to see if this product is on the QVL (Qualified Vendor List) for your system or motherboard
  • Contact one of our Upgrade Evangelists for an expert opinion

Why is the speed of this RAM module shown as 1866 MT/s instead of 1866 Mhz?

When it comes to measuring DDR RAM speed, MT/s and MHz are used interchangeably, which is not actually correct.

DDR stands for double data rate which means data is transfers on both the rising and falling edges of the clock signal. Meaning that the transfer rate is roughly twice the speed of the I/O bus clock. This RAM module runs at 933MHz per second, but the effective rate is 1866 megatransfers per second (MT/s) because there are 933 million rising edges per second and 933 million falling edges per second of a clock signal running at 933 MHz.

Dual Voltage for Newer and Older systems

This RAM module supports voltages of both 1.35V and 1.5V. If your original installed memory is 1.5V and you are adding a dual-voltage 1.35V/1.5V module to an open DIMM slot, this dual-voltage RAM module will operate at 1.5V, not 1.35V. If all installed memory modules are dual-voltage 1.35V/1.5V and the system supports DDR3L (1.35V low voltage), then this RAM module will run at 1.35V.