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Two green DDR4 RDIMM sticks with gold contacts and black chips

OWC

OWC 128GB (2x64GB) DDR4 2933 PC4-23400 CL21 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-E8SQ-916QX

128GB kit of two 64GB DDR4 2933 ECC registered RDIMMs validated for HP ProLiant XL270d Gen10 servers

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 128GB (2 x 64GB)

  • 128 GB total capacity from two 64 GB modules
  • DDR4 2933 MT/s speed rated at PC4-23400
  • ECC registered design detects and corrects data errors
  • CL21 latency at 1.2 V operating voltage
  • Validated for HP ProLiant XL270d Gen10 servers

Target server and workload

This kit provides 128GB of DDR4 ECC registered memory in a matched pair of 64GB modules. It is built for the HP ProLiant XL270d Gen10 and suits workloads that demand data integrity such as virtualization, databases or large file caches. Standard desktop systems cannot use registered DIMMs and will not accept this upgrade.

Registered ECC with 2Rx4 organisation

Each module is a 288-pin RDIMM running at DDR4 2933 (PC4-23400) with CL21 latency and 1.2V operation. The 2Rx4 rank layout and registered buffer are required by the ProLiant memory controller; mixing with unbuffered or load-reduced DIMMs is not supported. The kit also runs at 2133, 2400 and 2666MHz if the platform dictates a lower speed.

Thermals and power in normal use

The modules have no heat spreader and rely on the server's directed airflow for cooling. At 1.2V the power draw per DIMM is low, keeping thermal contribution minimal inside a properly ventilated chassis. Acoustic impact is negligible because no active cooling is present on the memory itself.

Points forts

  • 128 GB total capacity from two 64 GB modules
  • DDR4 2933 MT/s speed rated at PC4-23400
  • ECC registered design detects and corrects data errors
  • CL21 latency at 1.2 V operating voltage
  • Validated for HP ProLiant XL270d Gen10 servers

Caractéristiques

BrandOWC
Part Number2R9D42R4128P
Capacity128GB (2 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant XL270d Gen10

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Questions sur cet article

What does the 2933 MT/s rating mean once the modules are installed in the HP ProLiant XL270d Gen10?

The modules will run at up to 2933 MT/s if the platform supports that speed; otherwise they operate at the highest speed the system allows, down to 2133 MT/s.

What does the PC4-23400 designation tell me about the interface and its practical limit?

PC4-23400 is the JEDEC standard name for DDR4-2933; the memory bus cannot exceed 2933 MT/s with these DIMMs.

What physical slot and clearance do the 288-pin RDIMMs need in the XL270d Gen10?

They require standard 288-pin DDR4 RDIMM sockets; the modules have no heat spreader, so they fit in tight server DIMM channels.

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