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Two green 288-pin DDR4 RDIMM modules with black chips and gold contacts

SK hynix

SK hynix HMA41GR7MFR4N-TF 16GB (2 x 8GB) DDR4 2133 ECC Registered memory upgrade

SKU CH-PF5A-0NJR0

16 GB dual-rank DDR4 2133 ECC registered kit for Cisco UCS C460 M4 servers

  • Capacity16GB (2 x 8GB)
  • Type288-Pin DDR4 SDRAM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Voltage1.20V
  • ECCYes
  • ECC protection for data integrity in servers
  • Registered design improves signal stability
  • 16 GB total capacity in two 8 GB modules
  • 2133 MHz DDR4 speed with CL15 latency
  • 2 V low-voltage operation reduces power draw

Server ECC RDIMM kit

This SK hynix kit provides 16 GB of DDR4 memory as two 8 GB registered DIMMs. Each module runs at 2133 MHz with CL15 latency at 1.20 V and includes ECC error correction. The 288-pin RDIMMs are built for server and workstation platforms only.

Suits servers needing registered ECC memory

The modules are validated for Cisco UCS C-Series C460 M4 systems and similar registered-DIMM platforms. They will not work in desktop or laptop computers that require unbuffered non-ECC memory. Buyers who need consumer DIMMs should look elsewhere.

Straightforward server installation

Insert each DIMM into the appropriate registered-DIMM slots following the system service guide. Population rules vary by platform, so verify the correct slot order before seating the modules. The most common issue is installing registered ECC DIMMs in a board that only accepts unbuffered memory.

Points forts

  • ECC protection for data integrity in servers
  • Registered design improves signal stability
  • 16 GB total capacity in two 8 GB modules
  • 2133 MHz DDR4 speed with CL15 latency
  • 2 V low-voltage operation reduces power draw

Caractéristiques

BrandSK hynix
ModelHynix HMA41GR7MFR4N-TF
Capacity16GB (2 x 8GB)
Type288-Pin DDR4 SDRAM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Compatible SystemFor Server, Not For PC

Questions sur cet article

What server platform must I already have to use these 288-pin DDR4 2133 ECC registered modules?

The kit is validated for Cisco UCS C-Series C460 M4 DDR4 servers; it requires a platform that accepts 288-pin registered DDR4 DIMMs with 1.20 V operation.

Can I mix these CL15 1Rx4 registered DIMMs with older unbuffered DDR4 sticks I already own?

No, registered and unbuffered modules cannot be mixed on the same memory bus; the server will not POST if both types are populated.

How can I confirm the kit is running at the rated PC4 17000 speed after installation?

Check the BIOS memory information or OS tools such as dmidecode; they should report 2133 MT/s, CL15, 1.20 V and registered ECC mode.

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