OWC 16GB DDR4 2666 CL19 ECC VLP UDIMM 2Rx8 1.2V 288-pin 2E6V42R816GB

OWC 16GB DDR4 2666 ECC VLP UDIMM

This 16GB DDR4 2666 module adds ECC protection to compatible Supermicro SuperWorkstation and SuperServer systems. It runs at PC4-21300 speed with CL19 latency and operates at 1.2V in a very low-profile unbuffered DIMM format. The single 2Rx8 rank design fits space-constrained mid-tower chassis.

Capacity and headroom for ECC workloads

The 16GB capacity supports larger datasets and more concurrent virtual machines than 8GB configurations. JEDEC-standard DDR4 2666 bandwidth handles typical workstation memory pressure, while ECC corrects single-bit errors that can corrupt calculations. The module reaches its limit when applications demand more than 16GB per slot or require registered buffering for higher densities.

Upgrade path for Supermicro 5039 and 5019 systems

This module replaces lower-capacity DDR4 ECC UDIMMs in Supermicro SuperWorkstation 5039A-iL, 5039C-I, 5039C-T and SuperServer 5019S-WR, 5019S-MN4 platforms. The jump is worthwhile when current memory falls short of workload requirements or when mixing capacities degrades channel performance. Systems already populated with matched 16GB modules gain no benefit from this single-stick addition.