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Technical Data Sheet

354557-B21 — Memory Specs & Substitutes

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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 256MB UNREG PC3200 1X256 ML110 MEMORY

Memory is one of the most critical components in your server, and one of the easiest to upgrade to quickly enhance and improve overall system performance.The dependence on industry standard servers to run memory-intensive applications is pushing the memory capacity of servers to new levels. For server applications, memory modules and other server components must withstand almost non-stop exposure to elements such as heat and electricity. The slightest defect can become a problem resulting in server crashes and data loss for multiple users.

As server memory capacities increase, so does the likelihood of memory errors that can corrupt data and cause servers to crash.

WHERE IT FITS
MEMORY RDIMM 354557-B21
SPECIFICATIONS
RankDual Rank
SpeedDDR4-2933
Voltage1.2V
Capacity32GB
Form FactorRDIMM
Organization2Rx4
COMPONENT DIAGRAM
ECC 256MB 2Rx4 PC4 RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 256MB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 354557-B21 MFR HP 256MB —
KEY FEATURES
256MB Capacity
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 3
351656001Compatible
HP 256MB Unreg PC3200 1x256 ML110 Memory
compatible
MT9VDDT3272AG335C4Compatible
Micron 256MB UNREG PC3200 1X256 ML110 MEMORY
compatible
354557B21COMPCompatible
HP compatible 256MB UNREG PC3200 1X256 ML110 MEMORY
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 354557-B21?
354557-B21 is a HP 256MB Unreg PC3200 1x256 ML110 Memory manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 354557-B21?
There are 3 known substitutes for 354557-B21: 351656001, MT9VDDT3272AG335C4, 354557B21COMP. Substitute compatibility should be verified for your specific system.
Is 354557-B21 still available?
354557-B21 is currently Unknown.
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