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Four green DDR4 RDIMM modules with gold contacts and black chips

OWC

OWC 256GB (4x64GB) DDR4 3200 CL22 ECC Registered RDIMM XE8545

SKU CH-628T-QJHTS

256 GB kit of four 64 GB DDR4 3200 CL22 ECC registered RDIMMs for PowerEdge XE8545

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 256GB (4 x 64GB)

  • ECC registered design protects data integrity in server workloads
  • 256 GB kit (4 × 64 GB) maximises memory capacity for PowerEdge XE8545
  • DDR4 3200 CL22 at 1.2 V delivers rated speed and efficiency
  • 288-pin RDIMM form factor ensures correct physical fit in the XE8545
  • Replaces Dell part numbers 370AEVP AA783423 AA799110 AA810828 AB214253 P2MYX SNPP2MYXC/64G SNPP2MYXC/64VXR

Server Memory Upgrade Kit

This OWC kit supplies 256GB of DDR4 ECC Registered RDIMM memory in four 64GB modules. It is built for the Dell PowerEdge XE8545 server platform and runs at 3200 MT/s with CL22 latency at 1.2V. The 2Rx4 dual-rank design targets workloads that demand data integrity and high capacity.

Replacing Standard Unbuffered DIMMs

The modules replace non-ECC or unbuffered memory that cannot meet server reliability requirements. The upgrade is worth it when your XE8545 needs error correction for virtualization, databases or large datasets. It will not work in standard desktop boards and cannot be mixed with load-reduced or unbuffered DIMMs.

Build Integration Notes

Each 288-pin module fits the XE8545 memory slots without a heat spreader, leaving clearance for dense CPU coolers. The registered buffer reduces electrical load on the memory controller, freeing headroom for full population. Matching capacity, speed and vendor across all slots is recommended for stable operation.

Highlights

  • ECC registered design protects data integrity in server workloads
  • 256 GB kit (4 × 64 GB) maximises memory capacity for PowerEdge XE8545
  • DDR4 3200 CL22 at 1.2 V delivers rated speed and efficiency
  • 288-pin RDIMM form factor ensures correct physical fit in the XE8545
  • Replaces Dell part numbers 370AEVP AA783423 AA799110 AA810828 AB214253 P2MYX SNPP2MYXC/64G SNPP2MYXC/64VXR

Specifications

BrandOWC
Part Number3R2D42R4256S
Capacity256GB (4 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemPowerEdge XE8545

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Questions about this item

Will the 288-pin DDR4 RDIMM modules fit the PowerEdge XE8545 memory slots?

Yes, each 64GB module uses the standard 288-pin DDR4 RDIMM form factor that matches the XE8545 DIMM sockets.

What is the correct population order for the four 64GB 2Rx4 modules in the XE8545?

Install one module per channel following the server's CPU-to-DIMM mapping; mixing registered ECC with unbuffered or load-reduced DIMMs will prevent boot.

When should the 256GB kit be replaced or upgraded?

Replace modules if ECC correctable-error counts rise sharply or if the server fails memory diagnostics during POST.

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