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Four green DDR4 RDIMM sticks with gold contacts and Samsung labels

SAMSUNG

SAMSUNG 256GB (4 x 64GB) DDR4 PC4-21300 2666MHz CL19 288-Pin RDIMM memory upgrade

SKU CH-BMKJ-0KNJN

A 256 GB DDR4 server memory kit containing four 64 GB registered DIMMs running at 2666 MHz with CL19 latency, compatible with Dell PowerEdge R630, R640, R730, R730XD, R740, R740XD.

  • 256 GB total capacity from four 64 GB modules
  • 2666 MHz DDR4 speed with PC4-21300 bandwidth rating
  • Registered RDIMM design with 288-pin form factor for server stability
  • CL19 CAS latency for responsive data access
  • Validated compatibility across Dell PowerEdge R630, R640, R730, R740, T630, T640 and more

256 GB Registered DDR4 Kit

This kit supplies 256 GB of DDR4 memory across four 64 GB RDIMM modules. It is intended for administrators upgrading compatible Dell PowerEdge servers that require registered ECC memory.

PC4-21300 2666 MHz CL19 Limits

The modules run at 2666 MHz with CAS latency 19 under the PC4-21300 specification. Registered DIMMs add a clock cycle for buffering, so maximum throughput depends on the server memory controller and populated channel count.

Check Server Model And Slot Count

Verify that your Dell PowerEdge model appears in the supported list, which includes R630, R640, R730, R730XD, R740, R740XD, T630, T640, M640, R440, R540 and T440. Confirm the chassis has four free 288-pin RDIMM slots and that the BIOS revision supports this capacity per socket.

Punti di forza

  • 256 GB total capacity from four 64 GB modules
  • 2666 MHz DDR4 speed with PC4-21300 bandwidth rating
  • Registered RDIMM design with 288-pin form factor for server stability
  • CL19 CAS latency for responsive data access
  • Validated compatibility across Dell PowerEdge R630, R640, R730, R740, T630, T640 and more

Caratteristiche tecniche

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Domande su questo articolo

Should I buy the 256GB kit or look for a different capacity?

The kit provides 256GB total using four 64GB modules, filling four DIMM slots at once.

What does the 2666MHz rating mean when the modules are installed in a server?

The modules run at 2666MHz DDR4 PC4-21300 with CL19 latency, delivering registered ECC bandwidth within the server memory controller limits.

Will these 288-pin RDIMMs work with my Dell PowerEdge R740?

Yes, the 288-pin registered DDR4 DIMMs are listed as compatible with the R740 and other PowerEdge models including R630, R640, R730, R730XD, R740XD, T630 and T640.

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