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Two green 240-pin DDR3 RDIMM modules in a clear tray

OWC

OWC 64GB (2x32GB) DDR3 1333 PC3-10600 CL9 4Rx4 240-pin 1.5V ECC Registered RDIMM memory upgrade

SKU CH-7VB7-86AX8

ECC registered DDR3 kit adds 64 GB across two 32 GB modules at 1333 MHz CL9 for compatible HP ProLiant servers

  • Capacity64GB (2 x 32GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 64GB (2 x 32GB)

  • 64 GB kit (2 × 32 GB) doubles server memory capacity
  • DDR3 1333 PC3-10600 CL9 matches HP ProLiant G6/G7 specs
  • ECC registered 4Rx4 design protects data integrity in workloads
  • 5 V JEDEC standard voltage ensures warranty-safe operation
  • Validated for DL360 G7, DL370 G6, DL380 G7, DL385 G7, DL580 G7

Server-grade ECC RDIMM kit

This 64 GB kit contains two 32 GB DDR3 1333 PC3-10600 CL9 registered DIMMs built for HP ProLiant DL360 G7, DL370 G6, DL380 G7, DL385 G7 and DL580 G7 servers. The modules run at 1.5 V with ECC and 4Rx4 organisation to protect data integrity in multi-socket workloads.

Build integration and slot usage

Each 240-pin RDIMM occupies one DDR3 slot and must be paired with identical registered modules; unbuffered memory cannot be mixed in the same system. Installing this pair fills two slots and leaves remaining banks available for further matched upgrades within the platform's maximum capacity.

Thermals, noise and power

Without heat spreaders the modules rely on the server's directed airflow, adding no fan noise of their own. At 1.5 V the kit draws only the power required by the DDR3 1333 specification, keeping thermal load low in densely populated chassis.

Highlights

  • 64 GB kit (2 × 32 GB) doubles server memory capacity
  • DDR3 1333 PC3-10600 CL9 matches HP ProLiant G6/G7 specs
  • ECC registered 4Rx4 design protects data integrity in workloads
  • 5 V JEDEC standard voltage ensures warranty-safe operation
  • Validated for DL360 G7, DL370 G6, DL380 G7, DL385 G7, DL580 G7

Specifications

BrandOWC
Part Number1R3D34R4064P
Capacity64GB (2 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 4Rx4 rank configuration limit how many modules the HP ProLiant DL380 G7 can populate per channel?

Each 32 GB module uses a 4Rx4 organisation, which counts as four logical ranks; the DL380 G7 memory controller supports up to eight ranks per channel, so two of these DIMMs fill a single channel to its rank limit.

What is the typical power draw and thermal output when both 32 GB DDR3 1333 registered DIMMs run continuously at 1.5 V?

At 1.5 V and 1333 MT/s each registered 32 GB DIMM typically draws around 4–5 W, so the pair adds roughly 8–10 W of heat — well within the airflow design of the supported ProLiant G6 and G7 chassis.

Which existing server component must already be present for this ECC registered kit to function?

A compatible HP ProLiant DL360 G7, DL370 G6, DL380 G7, DL385 G7 or DL580 G7 with DDR3 RDIMM slots and a BIOS that supports 4Rx4 registered modules is required; standard desktop boards will not work.

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