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Two green 240-pin DDR3L ECC RDIMM modules in anti-static tray

OWC

OWC 16GB (2x8GB) DDR3L 1600 ECC RDIMM Cisco UCS C24/240/420 M3

SKU CH-J4GK-GAZ3Y

16 GB DDR3L ECC registered dual-rank kit for Cisco UCS C24, C240 and C420 M3 servers

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • CAS latencyCL11
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB (2 x 8GB)

  • ECC registered design prevents data corruption in server workloads
  • 16 GB kit (2 × 8 GB) expands Cisco UCS C24 M3, C240 M3, C420 M3 memory
  • DDR3L 1600 CL11 at 1.35 V matches original spec for stable operation
  • 240-pin RDIMM form factor installs directly into compatible Cisco UCS slots
  • Replaces Cisco part numbers UCSMR1X082RYA, UCSMR2X082RYB, UCSMR2X082RYE

System-Specific ECC RDIMM Kit

This OWC kit provides 16 GB of DDR3L registered ECC memory in two 8 GB modules. It is built for Cisco UCS C24 M3, C240 M3 and C420 M3 servers that require 240-pin DDR3L 1600 RDIMMs.

Server and workstation upgrades only

The modules suit administrators extending the life of the listed Cisco UCS platforms or building replacement nodes. They will not work in standard desktop PCs, consumer laptops or any system that takes unbuffered or load-reduced DIMMs.

Registered ECC with 2Rx4 organisation

Each DIMM uses a 2Rx4 registered ECC design at 1.35 V and CL11 latency. This specific combination of registration, rank geometry and voltage decides whether the memory will post in the target Cisco UCS servers.

How it compares

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

Price $40.99
Cheaper than about 80% 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 $2.56 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6T32R4016P
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsCisco UCS C24 M3
Cisco UCS C240 M3
Cisco UCS C420 M3

Other versions of this model

5 more in the same range

Questions about this item

Should I choose the 16GB (2x8GB) kit or a single 8GB module for my Cisco UCS C240 M3?

The 16GB kit provides two matched 8GB modules for dual-channel operation, which the C240 M3 supports; a single module would run in single-channel mode and halve memory bandwidth.

What does the DDR3L 1600 CL11 rating deliver in a Cisco UCS C420 M3 server?

It runs at 1600 MT/s with 11-cycle latency at 1.35V, giving the C420 M3 its maximum supported memory speed and ECC error correction for data integrity.

How does the 240-pin DDR3L RDIMM interface limit total capacity in a Cisco UCS C24 M3?

Each 240-pin slot accepts one registered DIMM; the C24 M3 has 24 slots, so the practical ceiling is the number of slots multiplied by the largest qualified RDIMM density.

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