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810744-B21 — Memory Specs & Substitutes

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Samsung · DIMM
WHAT YOU NEED TO KNOW
2Rx4 = Dual Rank ×4 chip width (standard server) RDIMM = Registered (servers) | LRDIMM = Load-Reduced (max density)
DDR3 ≠ DDR4 ≠ DDR5 — physically incompatible (notch position)
PRODUCT OVERVIEW

Samsung 810744-B21 memory module 16 GB 1 x 16 GB DDR4 288-pin DIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
810744-B21
SPECIFICATIONS
Part Number810744-B21
ManufacturerSamsung
InterfaceDDR4
Capacity16GB
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 — RDIMM Samsu NOTCH ~133.35 mm DDR4 RDIMM | 16GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 810744-B21 MFR Samsung 16GB —
KEY FEATURES
•
DDR4 Interface
•
16GB Capacity
•
DDR4 Memory
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 12
726719-B21Compatible
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
774172-001Compatible
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752369-081Compatible
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752369-08SCompatible
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752369-281Compatible
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - G9
compatible
752369-581Compatible
HP 16GB PC4-2133P-R ECC Reg Dr X4 Cas-15 Dimm - Intel - WS
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
J9P83AASUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
J9P83ATSUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
726719-B21SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-081SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-08SSUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-281SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-581SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-EF1SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-M81SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-MH1SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
752369-T81SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
753221-201SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
753221-B21SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
774172-001SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
790111-001SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
807818-B21SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
812221-001SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
817547-081SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
847826-B21SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
850086-001SUBSTITUTE
HP 16Gb PC4-2133P-R ECC REG DR x4 CAS-15 DIMM - Intel v3 - Apollo
HPE
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FREQUENTLY ASKED QUESTIONS
What is 810744-B21?
810744-B21 is a Samsung 810744-B21 memory module 16 GB 1 x 16 GB DDR4 288-pin DIMM manufactured by Samsung.
What parts can replace 810744-B21?
There are 12 known substitutes for 810744-B21: 726719-B21, 774172-001, 752369-081 and 9 more. Substitute compatibility should be verified for your specific system.
Is 810744-B21 still available?
810744-B21 is currently Unknown.
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Last verified: September 2026