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Technical Data Sheet

187420-B21 — Technical Data Sheet

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HP · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-542-7947, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
187420-B21
NSN: 5962-01-542-7947
FSC: 5962
CAGE: 65685 — COMPAQ COMPUTER CORP. (USA)
SPECIFICATIONS
memory_capacity2 X 1 GB GB
memory_device_typeRAM
end_item_identificationSERVER ML570R
terminal_type_and_quantity184 PIN
part_name_assigned_by_controlling_agencySDRAM, PC1600, 2GB GB
NSN5962-01-542-7947
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: HP MICROCIRCUIT,MEMORY TITLE COMPONENT PN 187420-B21 MFR HP MICROCIRCUIT,MEMORY
KEY FEATURES
MEMORY DEVICE TYPE: RAM
TERMINAL TYPE AND QUANTITY: 184 PIN
MEMORY CAPACITY: 2 X 1 GB GB
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
TECHNICAL CHARACTERISTICS (FLIS)
MEMORY DEVICE TYPERAM
END ITEM IDENTIFICATIONSERVER ML570R
TERMINAL TYPE AND QUANTITY184 PIN
PART NAME ASSIGNED BY CONTROLLING AGENCYSDRAM, PC1600, 2GB GB
MEMORY CAPACITY2 X 1 GB GB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
265791-001Interchangeable
Same NIIN cross-reference
interchangeable
500-1249740Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
RELATED PARTS 6
187419-B21
COMPAQ 1GB 1X1GB PC1600 ECC DIMM
313615-B21
COMPAQ 128MB 1X128MB PC100 ECC DIMM
311584-B21
MICROCIRCUIT,DIGITAL
189081-B21
MICROCIRCUIT,MEMORY
201692-B21
MICROCIRCUIT,MEMORY
201695-B21
MICROCIRCUIT,MEMORY
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FREQUENTLY ASKED QUESTIONS
What is 187420-B21?
187420-B21 is a MICROCIRCUIT,MEMORY manufactured by HP.
What parts can replace 187420-B21?
There are 2 known substitutes for 187420-B21: 265791-001, 500-1249740. Substitute compatibility should be verified for your specific system.
What is the NSN for 187420-B21?
187420-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5962-01-542-7947. This indicates validated use in U.S. government and defense supply chains.
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