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Two green 240-pin DDR3L ECC registered DIMMs, no heat spreaders

OWC

OWC 64GB (2x32GB) DDR3L 1333 ECC Registered RDIMM memory upgrade

SKU CH-T2NE-M7QHS

64 GB kit of two 32 GB DDR3L 1333 ECC registered RDIMMs for Cisco UCS B440 M2 servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR3L 1333 (PC3L 10600)
  • CAS latencyCL9
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank4Rx4

Capacity 64GB (2 x 32GB)

  • ECC registered design protects data integrity in servers
  • 64GB kit with two 32GB modules expands capacity
  • DDR3L 1333 CL9 at 1.35V lowers power draw
  • 240-pin RDIMM fits Cisco UCS B440 M2 slots
  • Replaces Cisco part UCSMR2X324RXC for direct upgrade

System-specific server memory upgrade

This kit provides 64 GB of DDR3L ECC registered memory in two 32 GB modules. It is built for the Cisco UCS B440 M2 blade server and similar workstation or server platforms that require registered DIMMs. The modules operate at 1333 MHz with CL9 latency and a 1.35 V supply.

Compatibility and platform checks

Verify that your system accepts 240-pin DDR3L registered ECC RDIMMs and supports 4Rx4 density at this speed. This memory will not work in standard desktop computers and must not be mixed with unbuffered or load-reduced modules. Confirm the motherboard or server documentation lists PC3L-10600 registered DIMMs as supported.

Build quality and daily implications

The modules ship without heat spreaders, relying on the server chassis airflow for cooling. JEDEC and RoHS compliance indicates standard manufacturing quality for long-term operation. The 240-pin form factor fits the B440 M2 memory slots directly, and the registered design helps maintain signal integrity in multi-DIMM configurations.

How it compares

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

Price $155.99
Cheaper than about 61% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $2.44 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3T34R4064P
Total capacity64 GB (2 × 32 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1333 (PC3L 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsCisco UCS B440 M2

Other versions of this model

5 more in the same range

Questions about this item

What comes in the OWC 64GB kit and do I need any extra parts to install it?

The kit includes two 32GB DDR3L 1333 CL9 4Rx4 240-pin 1.35V ECC Registered RDIMM modules. No additional components are required for installation in a compatible Cisco UCS B440 M2 server.

Should I choose this 64GB (2x32GB) kit or a different capacity for my Cisco UCS B440 M2?

This 64GB kit provides two 32GB modules at DDR3L 1333 CL9 1.35V. Select it when your server requires registered ECC memory and you need 64GB total capacity across two slots.

What does the 1333MHz PC3L-10600 rating mean for real-world server performance?

The modules run at 1333MHz with CL9 latency and 1.35V DDR3L voltage, delivering standard registered ECC throughput for the Cisco UCS B440 M2 memory controller.

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