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Two green 240-pin DDR3L RDIMM modules in a pair

OWC

OWC 32GB (2x16GB) DDR3L 1600 CL11 ECC Registered RDIMM 2Rx4 1.35V memory upgrade

SKU CH-FCDC-KDZ77

32 GB DDR3L 1600 ECC registered kit for HP ProLiant DL380e Gen8, DL560 Gen8 and SL4540 Gen8 servers

  • Capacity32GB (2 x 16GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • ECC registered design protects server data integrity
  • 32 GB kit (2 × 16 GB) expands HP ProLiant capacity
  • DDR3L 1600 CL11 at 1.35 V matches factory spec
  • 2Rx4 registered modules suit DL380e Gen8, DL560 Gen8, SL4540 Gen8
  • 240-pin RDIMM form factor installs in supported workstation and server slots

ECC Registered DDR3L Kit for HP ProLiant Servers

This 32 GB kit contains two 16 GB DDR3L 1600 CL11 registered DIMMs built for HP ProLiant DL380e Gen8, DL560 Gen8 and SL4540 Gen8 systems. The modules run at 1.35 V and include error-correcting code for data integrity in server workloads. They are 240-pin 2Rx4 RDIMMs without heat spreaders. The kit replaces several HP part numbers including 684316181 and 713985B21.

Suited for HP Gen8 server upgrades; not for desktops

Administrators expanding memory in the listed ProLiant models can use this kit to extend platform life or reduce build cost. It will not work in standard desktop PCs or consumer laptops because those platforms require unbuffered non-ECC DIMMs. Builders who need unregistered modules or a different pin count must choose a different product.

Registered ECC with 2Rx4 organisation

The modules are registered ECC RDIMMs organised as 2Rx4, a requirement for the target ProLiant memory controllers. Mixing these with unbuffered DIMMs is not supported and will prevent boot. Verify that the server’s memory population rules allow 2Rx4 registered modules before installation.

Highlights

  • ECC registered design protects server data integrity
  • 32 GB kit (2 × 16 GB) expands HP ProLiant capacity
  • DDR3L 1600 CL11 at 1.35 V matches factory spec
  • 2Rx4 registered modules suit DL380e Gen8, DL560 Gen8, SL4540 Gen8
  • 240-pin RDIMM form factor installs in supported workstation and server slots

Specifications

BrandOWC
Part Number1R6T32R4032P
Capacity32GB (2 x 16GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant DL380e Gen8
HP ProLiant DL560 Gen8
HP ProLiant SL4540 Gen8

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Questions about this item

How do I install the 240-pin DDR3L RDIMMs in my HP ProLiant DL380e Gen8, and what step is often missed?

Power down the server, open the chassis, align each 240-pin module with the DIMM slot key, press firmly until both retention clips click, then verify in BIOS that all 32GB are detected at 1600 MHz CL11. The step often missed is confirming the memory mode matches the registered ECC configuration.

What maintenance or replacement will the OWC 2Rx4 ECC registered kit need over time?

The modules have no heat spreaders and no moving parts, so routine maintenance is limited to keeping server airflow clean. Replacement is only required if a DIMM fails ECC correction or the system logs uncorrectable errors.

What limit appears first when the 1600 MHz CL11 registered memory runs under sustained load?

The DDR3L 1.35 V JEDEC voltage ceiling is reached before thermal throttling, capping sustained throughput at the rated PC3L-12800 speed.

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