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Eight green DDR3L 240-pin ECC registered DIMMs in a row

OWC

OWC 256GB (8x32GB) DDR3L 1333 ECC Registered RDIMM Cisco UCS B440 M2

SKU CH-W4JE-3P1MT

Eight 32 GB DDR3L 1333 ECC registered RDIMMs totalling 256 GB for Cisco UCS B440 M2 servers

  • Capacity256GB (8 x 32GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1333 (PC3L 10600)
  • CAS LatencyCL9
  • Voltage1.35V
  • ECCYes

Capacity 256GB (8 x 32GB)

  • 256 GB total capacity with eight 32 GB modules
  • DDR3L 1333 MHz CL9 speed for server workloads
  • ECC registered design protects data integrity
  • 35 V low-voltage operation reduces power draw
  • Qualified for Cisco UCS B440 M2 systems

OWC 256GB DDR3L ECC Registered Kit

This kit supplies 256GB across eight 32GB DDR3L 1333 ECC registered RDIMMs built for the Cisco UCS B440 M2 blade server. Each module runs at 1.35V with CL9 latency and a 4Rx4 organisation. The registered buffer and ECC circuitry target workloads that require data integrity and full-slot population.

Suited for B440 M2 upgrades; not for desktops

The modules are validated only for the Cisco UCS B440 M2 and similar workstation, server or NAS platforms that accept 240-pin DDR3L ECC registered memory. They will not work in standard desktop boards, consumer laptops or any system that requires unbuffered or load-reduced DIMMs. Buyers needing non-ECC or unregistered memory should look elsewhere.

4Rx4 rank density decides compatibility

The 4Rx4 organisation on each 32GB stick determines whether the B440 M2 memory controller can address the full 256GB kit at 1333MT/s. Systems limited to dual-rank or single-rank modules will not recognise the full capacity. Verify the server's qualified vendor list for 4Rx4 support before purchase.

Points forts

  • 256 GB total capacity with eight 32 GB modules
  • DDR3L 1333 MHz CL9 speed for server workloads
  • ECC registered design protects data integrity
  • 35 V low-voltage operation reduces power draw
  • Qualified for Cisco UCS B440 M2 systems

Caractéristiques

BrandOWC
Part Number1R3T34R4256K
Capacity256GB (8 x 32GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1333 (PC3L 10600)
CAS LatencyCL9
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B440 M2

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Questions sur cet article

Will the 1.35 V DDR3L RDIMMs work alongside any original 1.5 V DDR3 modules already in the Cisco UCS B440 M2?

No. The kit uses 1.35 V DDR3L registered ECC modules; mixing voltages or registered with unbuffered memory is not supported and can prevent the server from posting.

How can I confirm the 256 GB kit is recognised at 1333 MHz CL9 after installation?

Enter the server BIOS or Cisco UCS Manager and verify the memory configuration shows eight 32 GB DIMMs running at PC3L-10600 1333 MHz with ECC registered status.

Does the 1R3T34R4256K kit include only the eight 32 GB RDIMMs or any extra parts?

The package contains exactly eight 32 GB 240-pin DDR3L 1333 MHz CL9 4Rx4 1.35 V ECC registered RDIMMs; no cables, brackets or additional accessories are supplied.

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