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Eight green 240-pin DDR3 RDIMM modules with black chips, no heat spreaders

OWC

OWC 256GB (8×32GB) DDR3 1333 CL9 4Rx4 1.5V ECC Registered RDIMM server RAM

SKU CH-GRAN-FBRR7

Eight 32 GB DDR3 1333 registered ECC modules totalling 256 GB for server upgrades

  • Capacity256GB (8 x 32GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 256GB (8 x 32GB)

Rank 4Rx4

  • 256 GB total capacity from eight 32 GB modules
  • DDR3 1333 MHz speed with CL9 latency for responsive server workloads
  • ECC registered design detects and corrects data errors automatically
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 5 V operation at 240-pin RDIMM form factor

Server upgrade kit

This OWC kit supplies 256 GB of DDR3 1333 registered ECC memory in eight 32 GB modules. It is built for workstations and servers that accept 240-pin 4Rx4 RDIMMs running at 1.5 V with CL9 latency.

Compatibility limits

Suitable for administrators extending the life of qualified DDR3 platforms or building new systems that require registered ECC modules. Not for standard desktop boards, laptops or any system that only supports unbuffered memory.

Installation notes

Modules install in the usual DIMM slots but must match the platform’s registered ECC requirements and population rules. Mixing with unbuffered DIMMs or using mismatched capacities will prevent boot or cause instability.

Ciri-ciri utama

  • 256 GB total capacity from eight 32 GB modules
  • DDR3 1333 MHz speed with CL9 latency for responsive server workloads
  • ECC registered design detects and corrects data errors automatically
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 5 V operation at 240-pin RDIMM form factor

Spesifikasi

BrandOWC
Part Number1R3D34R4256K
Capacity256GB (8 x 32GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Multi-channel KitDual Channel Kit
Heat SpreaderNo

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Soalan tentang produk ini

What motherboard slot and voltage does this 240-pin DDR3 1.5V kit require?

The kit uses 240-pin DDR3 DIMM slots and runs at 1.5V; your server or workstation board must provide registered ECC support for these modules.

Can I keep my existing unbuffered DDR3 DIMMs and add these 4Rx4 registered modules?

No — the manufacturer highlights state this registered ECC memory cannot be mixed with unbuffered memory; all installed DIMMs must be registered ECC.

How do I verify the 256GB kit is running at DDR3 1333 CL9 after installation?

Check the BIOS or UEFI memory information screen; it should report 256GB total, DDR3 1333 (PC3-10600) speed and CL9 latency for the 8 installed modules.

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