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840757-09S — HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - WS

HP · DIMM
PRODUCT OVERVIEW

840757-09S: HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - WS.

HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - WS. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

SPECIFICATIONS
Part Number840757-09S
ManufacturerHP
Capacity16GB
Speed2666MHz
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COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2666MHz RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2666MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 840757-09S MFR HP 16GB 2666MHz
KEY FEATURES
•
16GB Capacity
•
2666MHz 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
SUBSTITUTES & CROSS-REFERENCES 12
815098-B21CompatiblePARTNER
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
compatible
850880-001CompatiblePARTNER
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
compatible
1XD85AACompatiblePARTNER
HP 16GB PC4-2666V-R ECC Reg Sr X4 Cas-19 Dimm - Intel - WS
compatible
1XD85ATCompatiblePARTNER
HP 16GB PC4-2666V-R ECC Reg Sr X4 Cas-19 Dimm - Intel - WS
compatible
815098-H21CompatiblePARTNER
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
compatible
815098-K21CompatiblePARTNER
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
compatible
LIFECYCLE

No lifecycle data available.

THIS PART SUBSTITUTES FOR 19
881067-B21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
L09275-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
L09285-850SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
L12128-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
L42291-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
P14423-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
1XD85AASUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
1XD85ATSUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
815098-B21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
815098-H21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
815098-K21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
815098-X21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
840757-091SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
850880-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
864707-591SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
867855-B21SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
872837-091SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
872837-C91SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
872970-001SUBSTITUTE
HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - G10
HPE
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FREQUENTLY ASKED QUESTIONS
What is 840757-09S?
840757-09S is a HP 16Gb PC4-2666V-R ECC REG SR x4 CAS-19 DIMM - Intel - WS manufactured by HP.
What parts can replace 840757-09S?
There are 12 known substitutes for 840757-09S: 815098-B21, 850880-001, 1XD85AA and 9 more. Substitute compatibility should be verified for your specific system.
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PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.