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Two green 240-pin DDR3L ECC RDIMM modules with gold contacts, no heat spreader

OWC

OWC 32GB (2x16GB) DDR3L 1333 PC3L-10600 CL9 ECC RDIMM memory upgrade

SKU CH-5ZTW-6GTXH

A 32 GB kit of two 16 GB DDR3L 1333 ECC registered DIMMs for Cisco UCS B230 M2 and C260 M2 servers

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR3L 1333 (PC3L 10600)
  • CAS latencyCL9
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB (2 x 16GB)

  • ECC registered design protects data integrity in servers
  • 32 GB kit (2 × 16 GB) expands Cisco UCS B230 M2 and C260 M2 memory
  • DDR3L 1333 PC3L-10600 CL9 matches factory specifications
  • 35 V low-voltage operation reduces power draw
  • 240-pin RDIMM form factor fits supported workstation and server slots

Cisco UCS Server Upgrade

This OWC kit provides 32GB of DDR3L 1333 ECC Registered memory in two 16GB modules for Cisco UCS B230 M2 and C260 M2 servers. It targets administrators extending the life of existing infrastructure or building replacement systems. The modules operate at 1.35V with CL9 latency and a 2Rx4 rank configuration. They are designed strictly for workstation and server platforms that require registered ECC DIMMs.

Verify Registered ECC Requirement

Before ordering confirm that your system accepts DDR3L 240-pin Registered ECC RDIMMs and not Unbuffered or Load Reduced variants. The supplier highlights that this memory cannot be mixed with Unbuffered or ECC Load Reduced modules. Check the server documentation for maximum supported capacity per slot and total population rules. Ensure the BIOS version supports 16GB density Registered DIMMs at 1333MHz.

Fills Two DIMM Slots

The kit occupies two 240-pin DDR3L slots and delivers 32GB of registered error-correcting capacity. It frees remaining slots for further expansion within the platform limits. The 1.35V DDR3L voltage reduces power draw compared to standard DDR3. No heat spreader is fitted so airflow clearance is minimal. Use only in compatible Cisco UCS B230 M2 or C260 M2 configurations.

How it compares

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

Price $96.99
Cheaper than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $3.03 per GB
Cheaper than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3T32R4032P
Total capacity32 GB (2 × 16 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1333 (PC3L 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsCisco UCS B230 M2
Cisco UCS C260 M2

Other versions of this model

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Questions about this item

Does the kit include the two 16 GB modules or must they be purchased separately?

The kit contains two 16 GB DDR3L 1333 CL9 2Rx4 240-pin 1.35 V ECC Registered RDIMM modules, so no additional modules are required for a 32 GB upgrade.

Why is this kit listed as 2Rx4 instead of a single-rank option?

Each 16 GB module is built as a dual-rank 2Rx4 device, which is the density the Cisco UCS B230 M2 and C260 M2 memory controllers expect for this capacity.

What does the PC3L-10600 rating mean when the modules are installed in a Cisco UCS server?

PC3L-10600 indicates a 1333 MT/s data rate at 1.35 V; the server’s memory controller will run the kit at that speed with CL9 latency when populated in supported slots.

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