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Four green DDR3 RDIMM modules, 240-pin, no heat spreaders

OWC

OWC 128GB (4x32GB) DDR3 1333 PC3-10600 CL9 4Rx4 240-pin 1.5V ECC Registered RDIMM memory upgrade

SKU CH-JYT1-T2KZ0

ECC registered DDR3 kit with four 32 GB modules at 1333 MHz for HP ProLiant G6 and G7 servers

  • Capacity128GB (4 x 32GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity in a 4 x 32 GB kit
  • DDR3 1333 MHz speed with CL9 latency for server workloads
  • ECC registered design detects and corrects data errors
  • 5 V operation meets JEDEC and RoHS standards
  • Validated for HP ProLiant DL360 G7 DL370 G6 DL380 G7 DL385 G7 DL580 G7

Server-grade ECC memory kit

This OWC kit delivers 128GB of DDR3 ECC Registered memory across four 32GB modules. It is built for HP ProLiant DL360 G7, DL370 G6, DL380 G7, DL385 G7 and DL580 G7 servers that require registered DIMMs with error correction. Workstations and desktop PCs cannot use this memory because they accept only unbuffered modules.

JEDEC-compliant 240-pin RDIMMs

Each module follows the PC3-10600 standard at 1333 MT/s with CL9 latency and 1.5V operation. The 4Rx4 organisation and registered buffer reduce electrical load on the server memory controller, allowing the full four-module population supported by the listed ProLiant platforms. No heat spreaders are fitted, so airflow in the original chassis ducts is unimpeded.

Low-voltage registered operation

Running at 1.5V, the kit draws minimal power for its capacity class while the registered design keeps signal integrity stable under sustained workloads. ECC circuitry corrects single-bit errors on the fly, preventing data corruption during long compute runs. The modules produce no additional acoustic noise beyond the server's existing cooling.

Highlights

  • 128 GB total capacity in a 4 x 32 GB kit
  • DDR3 1333 MHz speed with CL9 latency for server workloads
  • ECC registered design detects and corrects data errors
  • 5 V operation meets JEDEC and RoHS standards
  • Validated for HP ProLiant DL360 G7 DL370 G6 DL380 G7 DL385 G7 DL580 G7

Specifications

BrandOWC
Part Number1R3D34R4128S
Capacity128GB (4 x 32GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant DL360 G7
HP ProLiant DL370 G6
HP ProLiant DL380 G7
HP ProLiant DL385 G7
HP ProLiant DL580 G7

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Questions about this item

Does the DDR3 1333 PC3-10600 CL9 speed cap bandwidth at 10600 MB/s?

Yes, the PC3-10600 rating means the maximum theoretical bandwidth is 10600 MB/s at the rated 1333 MT/s data rate.

Will these 240-pin 4Rx4 registered DIMMs fit the HP ProLiant DL380 G7 memory slots?

Yes, the 240-pin DDR3 registered form factor matches the DL380 G7 DIMM slots; the kit is validated for DL360 G7, DL370 G6, DL380 G7, DL385 G7 and DL580 G7.

What is the correct order to install the four 32 GB modules, and what mistake do people make?

Populate the lowest-numbered slot on each memory channel first, then add the second DIMM per channel; the common error is filling all slots on one CPU before the second CPU, which leaves channels unbalanced.

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