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Green printed circuit board with gold edge connector and black memory chips

HP

HP 236853-B21 512MB PC133 168-Pin ECC Registered SDRAM memory upgrade

SKU CH-2KE3-KJDFX MPN 236853-B21

512 MB PC133 ECC registered SDRAM DIMM for ProLiant DL740 and DL760 G2 servers

  • Capacity512MB
  • Type168-Pin SDRAM
  • SpeedPC 133
  • ECCYes
  • Buffered/RegisteredRegistered
  • Compatible SystemHP/Compaq
  • ECC registered design protects data integrity in ProLiant servers
  • 512 MB capacity extends memory for DL740 and DL760 G2 systems
  • PC133 133 MHz speed matches original server specifications
  • 168-pin SDRAM form factor fits HP/Compaq ProLiant slots
  • HP 236853-B21 module tested for direct ProLiant compatibility

HP ProLiant server memory upgrade

This HP 236853-B21 module adds 512MB of PC133 SDRAM to compatible ProLiant DL servers. It is built for administrators who need to expand memory in legacy Hewlett-Packard systems without changing the existing memory architecture.

ECC Registered 168-pin DIMM

Error-correcting code and registered buffering work together to improve data integrity and reduce electrical load on the server memory bus. These features allow the module to operate reliably in multi-DIMM configurations typical of the supported ProLiant DL740 and DL760 G2 platforms.

PC133 speed rating

The 133MHz bus speed determines whether this DIMM matches the memory controller of the target server. Buyers whose systems require a different SDRAM speed or a non-registered module will not be able to use this part.

Punti di forza

  • ECC registered design protects data integrity in ProLiant servers
  • 512 MB capacity extends memory for DL740 and DL760 G2 systems
  • PC133 133 MHz speed matches original server specifications
  • 168-pin SDRAM form factor fits HP/Compaq ProLiant slots
  • HP 236853-B21 module tested for direct ProLiant compatibility

Caratteristiche tecniche

BrandHP
Model236853-B21
Capacity512MB
Type168-Pin SDRAM
SpeedPC 133
ECCYes
Buffered/RegisteredRegistered
Compatible SystemHP/Compaq
FeaturesCompatiable with Hewlett-Packard Server - ProLiant DL740, ProLiant DL760 G2
Peso di spedizione0.09 kg
Dimensioni del pacco178 × 127 × 25 mm

Domande su questo articolo

Will the registered ECC SDRAM need periodic replacement as the ProLiant DL740 or DL760 G2 ages?

The module itself has no moving parts or batteries, so it does not require scheduled replacement; it remains functional as long as the server operates within its thermal and electrical limits.

What limit appears first when the 512 MB PC133 registered ECC module runs continuously in a ProLiant DL740 or DL760 G2?

The 133 MHz bus speed and single-module 512 MB capacity are the primary constraints; bandwidth and total memory ceiling will be reached before thermal or electrical limits under sustained workloads.

How much heat and power does the 168-pin registered ECC SDRAM add when the server runs all day?

As a standard PC133 registered ECC DIMM, it draws modest power typical for 133 MHz SDRAM and contributes minimal additional heat inside the ProLiant chassis during continuous operation.

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