We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green circuit board with black memory chips and gold edge contacts

OWC

OWC 32GB DDR4 2133 ECC Registered RDIMM CL15 2Rx4 288-pin 1.2V server RAM

SKU CH-7MTS-K8B61

32GB DDR4 2133 ECC registered RDIMM with CL15 latency, 2Rx4 organisation and 1.2V operation for servers and workstations

  • Capacity32GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.2V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 32 GB capacity expands memory for demanding workloads
  • DDR4 2133 speed delivers PC4-17000 bandwidth
  • CL15 latency at 1.2 V balances performance and efficiency
  • 288-pin 2Rx4 RDIMM fits compatible server and NAS systems

What this module is

This OWC DDR4 ECC Registered RDIMM delivers 32 GB of server-grade memory at 2133 MT/s with CL15 latency. It uses a 288-pin form factor, runs at 1.2 V and carries JEDEC and RoHS compliance for warranty-safe upgrades in compatible workstations and NAS systems.

Who it suits and who it does not

It fits administrators upgrading QNAP NAS units or other servers that require registered ECC DDR4 modules in a 2Rx4 configuration. It will not work in standard desktop PCs that accept only unbuffered non-ECC memory, and it cannot be mixed with unbuffered DIMMs in the same system.

What to verify before ordering

Confirm that your motherboard or NAS explicitly supports DDR4 2133 registered ECC RDIMMs and that the memory controller accepts 2Rx4 rank organisation. Check the maximum module capacity per slot and the total number of populated channels allowed by the platform. Ensure the system does not require a heat spreader for thermal management.

Highlights

  • ECC registered design protects data integrity in servers
  • 32 GB capacity expands memory for demanding workloads
  • DDR4 2133 speed delivers PC4-17000 bandwidth
  • CL15 latency at 1.2 V balances performance and efficiency
  • 288-pin 2Rx4 RDIMM fits compatible server and NAS systems

Specifications

BrandOWC
Part Number2R1D42R432GB
Capacity32GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions about this item

Does my server motherboard need to support DDR4 288-pin ECC registered DIMMs for this module to work?

Yes, the module is a 288-pin DDR4 ECC registered DIMM and requires a motherboard with DDR4 RDIMM slots that accept registered memory.

Can I keep my existing unbuffered DDR4 modules and add this registered stick alongside them?

No, registered and unbuffered memory cannot be mixed; all slots must use registered ECC modules of matching type.

How can I confirm the module is running at DDR4 2133 CL15 with ECC active after installation?

Check the BIOS or UEFI memory information screen; it should show 2133 MT/s, CL15 timings and ECC enabled for the installed capacity.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.