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Four green DDR3 RDIMM modules with gold contacts and black chips

OWC

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

SKU CH-B88Q-Z1S1Q

128 GB DDR3 ECC registered kit with four 32 GB modules at 1333 MHz for HP ProLiant G7 and Gen7 blades

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules
  • DDR3 1333 speed with CL9 latency for responsive server workloads
  • ECC registered design detects and corrects memory errors automatically
  • JEDEC-standard 1.5 V operation ensures broad platform compatibility
  • Validated for HP ProLiant BL460c G7, BL490c G7, BL620c Gen7, BL680c Gen7, BL685c Gen7

Server ECC RDIMM Kit

This 128GB kit contains four 32GB DDR3 1333 registered DIMMs built for HP ProLiant BL460c G7, BL490c G7, BL620c Gen7, BL680c Gen7 and BL685c Gen7 blade servers. The modules run at 1.5V with CL9 latency and 4Rx4 organisation. ECC and register logic protect data integrity in multi-socket workloads.

Capacity and Headroom

Four ranks per module give dense 128GB total capacity for virtualisation, large databases or memory-heavy analytics. The 1333 MT/s rate matches the platform’s native memory controller, so bandwidth scales linearly until all channels are populated. Workloads that exceed 128GB or need higher frequency will hit the platform ceiling.

Build Integration

240-pin DDR3 RDIMM form factor fits the listed ProLiant blades without adapters. Registered signalling reduces electrical load on the memory controller, allowing full population of all slots. JEDEC and RoHS compliance ensures warranty-safe installation. The kit does not suit unbuffered desktop boards or systems requiring load-reduced or non-ECC memory.

How it compares

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

Price $346.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.71 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D34R4128S
Total capacity128 GB (4 × 32 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHP ProLiant BL460c G7
HP ProLiant BL490c G7
HP ProLiant BL620c Gen7
HP ProLiant BL680c Gen7
HP ProLiant BL685c Gen7

Other versions of this model

5 more in the same range

Questions about this item

Will these 4Rx4 registered DIMMs run with the 2Rx4 modules already in my BL460c G7?

No — registered ECC modules cannot be mixed with unbuffered memory, so all slots must use matching registered DIMMs for the server to start.

How can I confirm the kit is running at DDR3 1333 CL9 after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report 1333 MT/s, CL9 timings and 1.5 V on each of the four 32 GB modules.

Does the 128 GB kit include only the four 32 GB RDIMMs or are any cables or brackets supplied?

Only the four 32 GB DDR3 1333 ECC registered RDIMMs are in the box; no cables, brackets or additional hardware are included.

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