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Two green DDR3L ECC registered DIMMs 240-pin no heat spreader

OWC

OWC 16GB (2x8GB) DDR3L 1333 ECC Registered RDIMM memory upgrade

SKU CH-A41P-PNAFF

16 GB kit of two 8 GB DDR3L 1333 ECC registered RDIMMs for Cisco UCS B230 M2 and C260 M2 servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1333 (PC3L 10600)
  • CAS latencyCL9
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB (2 x 8GB)

  • ECC registered design prevents data corruption in servers
  • 16 GB kit (2 × 8 GB) expands Cisco UCS capacity
  • DDR3L 1333 CL9 matches factory specifications exactly
  • 35 V low-voltage operation reduces power draw
  • Validated for Cisco UCS B230 M2 and C260 M2

Server-grade DDR3L kit for Cisco UCS

This 16 GB kit contains two 8 GB DDR3L 1333 registered ECC modules built for Cisco UCS B230 M2 and C260 M2 servers. The 240-pin RDIMMs run at 1.35 V with CL9 latency and a 2Rx4 organisation. They are designed for workstation, server, NAS and router platforms that require registered error-correcting memory.

Steady throughput under registered ECC load

Registered buffering reduces electrical load on the memory controller so the modules maintain consistent timings during prolonged workloads. ECC circuitry detects and corrects single-bit errors without halting the system, preventing data corruption in multi-hour compute jobs. The low 1.35 V operation limits thermal output when all slots are populated.

Direct replacement for Cisco part numbers

Installation follows standard 240-pin DIMM procedure: align the key notch, press until the latches click, and verify detection in BIOS. The kit replaces Cisco part numbers N01M308GB2, UCSMR1X082RXA, UCSMR2X082RXB and UCSMR2X082RXC. It will not work in desktop boards that accept only unbuffered non-ECC memory, and it cannot be mixed with load-reduced or unbuffered modules.

How it compares

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

Price $45.99
Cheaper than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.87 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 number1R3T32R4016P
Total capacity16 GB (2 × 8 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

How much power does the 1.35V DDR3L kit draw when the server runs continuously?

Each module operates at 1.35V, lower than standard DDR3, reducing heat output during all-day workloads in Cisco UCS B230 M2 or C260 M2 systems.

What must the server already have to accept these 240-pin registered ECC DIMMs?

A Cisco UCS B230 M2 or C260 M2 with free 240-pin DDR3L slots that support ECC registered memory; unbuffered or load-reduced DIMMs cannot be mixed with this kit.

Will the 2Rx4 CL9 modules work alongside older Cisco part numbers like N01M308GB2?

Yes, this kit replaces Cisco part numbers N01M308GB2, UCSMR1X082RXA, UCSMR2X082RXB and UCSMR2X082RXC, so it can fill remaining slots beside existing compatible modules.

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