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The OWC 64GB (2x32GB) DDR4 3200MHz ECC Registered RDIMM kit gives you two 32GB sticks for flexible dual-channel or multi-channel workstation and server configurations. Running at DDR4-3200 (PC4-25600) with ECC error correction and registered buffering, this kit delivers the reliability and capacity that mission-critical workloads demand. Backed by OWC's Lifetime Advance Replacement Warranty and free tech support.
⚠️ Important: This is ECC Registered (RDIMM) memory designed for workstations and servers. It is NOT compatible with standard desktop computers and cannot be mixed with unbuffered memory.


Two 32GB DDR4-3200 (PC4-25600) ECC Registered DIMMs running at CL22 timings, 2RX4 rank configuration, and 1.2V operating voltage. 288-pin form factor compatible with sWRX8 (Threadripper PRO), SP3, and other server/workstation platforms supporting RDIMM memory. 100% JEDEC compliant and RoHS certified.

OWC memory installs in minutes. Installation instructions are included, and OWC provides instructional videos, phone/chat/email tech support, and a Lifetime Advance Replacement program — meaning if you ever have an issue, OWC ships replacement memory to you before you return the old kit.

OWC has been in business for 35+ years and still honors every warranty replacement. The Lifetime Advance Replacement Program ships you new memory immediately upon a warranty claim. Free tech support by phone, chat, or email is included for life.


Pair with the ASRock WRX80 CREATOR R2.0 and an AMD Ryzen Threadripper PRO processor. Populate all 8 slots with four of these 2x32GB kits for a full 256GB ECC registered DDR4 configuration, or mix with our 64GB single-stick and 128GB (4x32GB) kit for custom capacity builds.
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