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Two green DDR5 RDIMM modules with gold contacts and black chips, no heat spreader

OWC

OWC 256GB (2x128GB) DDR5 4800 CL40 4Rx4 ECC RDIMM memory upgrade

SKU CH-6WQ8-Q2Z1F

ECC registered DDR5 kit adds 256 GB across two 128 GB modules at 4800 MHz CL40 for Dell PowerEdge XE9680 servers

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 256GB (2 x 128GB)

  • ECC registered design protects data integrity in server workloads
  • 256GB total capacity across two 128GB modules expands memory headroom
  • DDR5 4800 CL40 at 1.1V delivers JEDEC-standard performance
  • 4Rx4 288-pin registered DIMM form factor fits Dell PowerEdge XE9680
  • RoHS compliant and validated to meet OEM specifications

Server memory kit

This OWC kit provides 256GB of DDR5 ECC registered memory in a matched pair of 128GB modules. It is built for the Dell PowerEdge XE9680 and other workstations or servers that accept 288-pin DDR5 RDIMMs. The modules operate at 1.1V and carry JEDEC-standard PC5-38400 ratings.

Registered ECC requirement

The decisive specification is the 4Rx4 registered ECC design. This memory will not function in systems that require unbuffered or load-reduced DIMMs, and it cannot be mixed with either type. Buyers must confirm their platform explicitly supports registered ECC RDIMMs before ordering.

Suitable for qualified servers

This kit suits administrators upgrading or populating a Dell PowerEdge XE9680 or compatible server that validates registered ECC modules. It is not for desktop PCs, consumer workstations, or any system that only accepts unbuffered or load-reduced memory.

Ciri-ciri utama

  • ECC registered design protects data integrity in server workloads
  • 256GB total capacity across two 128GB modules expands memory headroom
  • DDR5 4800 CL40 at 1.1V delivers JEDEC-standard performance
  • 4Rx4 288-pin registered DIMM form factor fits Dell PowerEdge XE9680
  • RoHS compliant and validated to meet OEM specifications

Spesifikasi

BrandOWC
Part Number4R8D54R4256P
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge XE9680

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How does the 4800 CL40 rating translate to real throughput in a Dell PowerEdge XE9680?

The modules run at 4800 MT/s with CL40 latency, delivering PC5-38400 bandwidth when the server's memory controller operates at its rated speed.

What does the PC5-38400 designation cap in practice?

PC5-38400 is the JEDEC peak transfer rate for DDR5 4800; the XE9680's memory controller limits actual throughput to this spec.

Will the 288-pin 4Rx4 RDIMMs fit the XE9680's DIMM slots without clearance issues?

Yes, the 288-pin registered DIMM form factor matches the XE9680's DDR5 RDIMM slots; the kit contains two 128 GB modules for supported configurations.

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