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Four green DDR4 ECC LRDIMM modules with gold contacts

OWC

OWC 512GB (4x128GB) DDR4 3200 CL22 ECC LRDIMM 288-pin 1.2V memory upgrade

SKU CH-7RWE-3MVC0

512 GB DDR4 ECC load-reduced kit (four 128 GB modules at 3200 MT/s CL22) for HP ProLiant DL110 Gen10 Plus Telco and DL325 Gen10 Plus servers

  • Total capacity512 GB (4 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4

Capacity 512GB (4 x 128GB)

  • 512 GB total capacity from four 128 GB modules
  • DDR4 3200 speed with CL22 latency at 1.2 V
  • ECC load-reduced design for server error correction
  • Compatible with HP ProLiant DL110 Gen10 Plus Telco and DL325 Gen10 Plus
  • Backward compatible with 2133 2400 2666 and 2933 MHz systems

Server memory upgrade kit

This kit provides 512GB of DDR4 ECC load-reduced memory across four 128GB modules for HP ProLiant DL110 Gen10 Plus Telco and DL325 Gen10 Plus servers. It targets administrators who need maximum registered capacity in these specific platforms. The modules will not work in standard desktops or alongside unbuffered or registered ECC DIMMs.

Sustained operation with error correction

ECC load-reduced architecture reduces electrical load on the memory bus so all four ranks per module remain stable during continuous server workloads. Error-correcting code detects and corrects single-bit errors in real time, preventing data corruption during long-running compute or virtualisation tasks. The 1.2V operating voltage keeps power draw consistent under sustained utilisation.

4Rx4 rank configuration decides compatibility

Each 128GB module uses a quad-rank 4Rx4 organisation that the memory controller must support natively. Systems limited to dual-rank or single-rank DIMMs will not recognise the full capacity or will fail to boot. Verify the server documentation accepts 4Rx4 load-reduced DIMMs before purchase.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $2,876.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.62 per GB
Cheaper than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3L2D44R4512S
Total capacity512 GB (4 × 128 GB)
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP ProLiant DL110 Gen10 Plus Telco
HP ProLiant DL325 Gen10 Plus

Other versions of this model

5 more in the same range

Questions about this item

How much power does the 1.2V DDR4 3200 CL22 LRDIMM kit draw when the server runs continuously?

Each 128 GB module operates at 1.2 V, the standard DDR4 voltage, so the four-stick kit adds only the normal DDR4 power envelope to the HP ProLiant DL110 Gen10 Plus Telco or DL325 Gen10 Plus under sustained load.

What must the HP ProLiant DL110 Gen10 Plus Telco or DL325 Gen10 Plus already have to accept this 288-pin ECC load-reduced memory?

The server needs free 288-pin DDR4 DIMM slots that support ECC load-reduced modules; you cannot mix these 4Rx4 sticks with unbuffered or registered ECC DIMMs.

Will the 3200 MHz CL22 LRDIMMs run stably alongside existing 2666 MHz modules in the same ProLiant?

The kit is backward compatible with 2133, 2400, 2666 and 2933 MHz speeds, so it will down-clock to match slower DIMMs already installed in the HP ProLiant DL110 Gen10 Plus Telco or DL325 Gen10 Plus.

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