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728629-B21 ✓ Verified by PartsTable
HP · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW
HP 32GB (1X32GB) 2RX4 PC4-2133P-R

Is finding reliable DRAM memory for your HP ProLiant Server series in your data center a major challenge? When you choose HP SmartMemory you get the same high quality, reliability, and confidence that come with your HP ProLiant Gen9 Server series. DRAM quality and reliability are more important now than ever.<br><br>Industry trends such as server virtualization, cloud computing, the use of large database applications, and high-performance computing have all increased the need for higher capacity memory with greater reliability and uptime. HP SmartMemory is a unique technology introduced in HP ProLiant Gen8 Servers that unlocks certain features available only with HP Qualified Server memory in Gen9 servers also.<br>HP SmartMemory enables ProLiant Gen9 systems to reliably identify and verify whether installed memory has passed the rigorous HP qualification and testing processes.

And because the memory is authenticated, you can enable extended memory performance features through the syste

WHERE IT FITS
MEMORY RDIMM 728629-B21
SPECIFICATIONS
Part Number728629-B21
ManufacturerHP
Capacity32GB
Speed2133MHz
COMPONENT DIAGRAM
ECC 32GB 2Rx4 PC4 2133MHz RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 32GB | 2133MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 728629-B21 MFR HP 32GB 2133MHz
KEY FEATURES
32GB Capacity
2133MHz Speed
TYPICAL APPLICATIONS
  • Server memory expansion for virtualization workloads
  • Database performance optimization (in-memory computing)
  • VDI and remote desktop session hosting
  • High-performance computing (HPC) clusters
  • Mail server and collaboration platform scaling
  • Application server tier expansion
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
774175-001Compatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752370-091Compatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752370-09SCompatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752370-291Compatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752370-MH1Compatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
829801-091Compatible
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Cloudline
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 10
752370-091SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
752370-09SSUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
752370-291SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
752370-MH1SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
774175-001SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
829801-091SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
847828-B21SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
850087-001SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
870943-B21SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
871376-001SUBSTITUTE
HP 32Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
HPE
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FREQUENTLY ASKED QUESTIONS
What is 728629-B21?
728629-B21 is a HP 32GB (1x32gb) 2Rx4 PC4-2133P-R manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 728629-B21?
There are 10 known substitutes for 728629-B21: 774175-001, 752370-091, 752370-09S and 7 more. Substitute compatibility should be verified for your specific system.
Is 728629-B21 still available?
728629-B21 is currently Unknown.
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