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Green rectangular circuit board with gold edge connectors and black memory chips

OWC

OWC 32GB DDR4 2400 CL17 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-CSAP-TX83Q

Adds 32 GB of DDR4-2400 ECC registered memory to compatible Cisco UCS servers

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB

  • ECC registered design protects server data integrity
  • 32 GB capacity expands Cisco UCS memory headroom
  • DDR4 2400 CL17 speed matches platform specs
  • 2 V operation reduces power draw per module
  • Direct replacement for Cisco HXMR1X322RVA part numbers

Server ECC Upgrade

This 32GB DDR4 module is built for Cisco UCS B420 M4 and C460 M4 servers. It delivers registered ECC memory for workloads that require error correction and signal buffering. The part is not compatible with standard desktop platforms or unbuffered memory configurations.

Registered 2Rx4 Organisation

The module uses a 2Rx4 rank layout at CL17 latency and runs at 2400MHz PC4-19200 speed. This specific organisation determines whether the server memory controller can address the full capacity without population limits.

Single-Module Simplicity

The upgrade ships as one 32GB RDIMM so administrators can populate empty slots individually. No extra cables, brackets or software licences are included; installation is a direct DIMM swap in the supported Cisco chassis.

How it compares

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

Price $216.99
Cheaper than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $6.78 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2R4D42R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsCisco UCS B420 M4
Cisco UCS C460 M4 (DDR4)

Other versions of this model

5 more in the same range

Questions about this item

How does the 2400 MT/s speed affect performance once the module is installed in a Cisco UCS server?

The module runs at DDR4 2400 (PC4-19200) with CL17 latency, delivering the rated throughput when the server’s memory controller operates at that speed.

What does the registered ECC interface mean for compatibility with the Cisco UCS B420 M4 or C460 M4?

This is a 288-pin DDR4 ECC Registered DIMM (2Rx4); it fits only systems that accept registered ECC modules and cannot be mixed with unbuffered or load-reduced memory.

Will the 288-pin form factor fit the memory slots in a Cisco UCS B420 M4 or C460 M4 without a heat spreader?

Yes, the 288-pin RDIMM matches the DDR4 slots in those servers and has no heat spreader, so it seats directly in the standard DIMM sockets.

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