PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 797259-091

797259-091 — Memory Specs & Substitutes

✓ Verified by PartsTable
HPE · 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

HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
797259-091
SPECIFICATIONS
Part Number797259-091
ManufacturerHPE
Capacity16GB
Speed2133MHz
COMPONENT DIAGRAM
ECC 16GB 2Rx4 PC4 2133MHz RDIMM HPE NOTCH ~133.35 mm DDR4 RDIMM | 16GB | 2133MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 797259-091 MFR HPE 16GB 2133MHz
KEY FEATURES
•
16GB Capacity
•
2133MHz Speed
•
Generation 9 Platform
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 2
805671-B21Compatible
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
compatible
819801-001Compatible
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 2
805671-B21SUBSTITUTE
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
HPE
819801-001SUBSTITUTE
HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9
HPE
Ready to buy 797259-091?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 797259-091?
797259-091 is a HP 16Gb PC4-2133P-E ECC UB DR x8 CAS-15 DIMM Standard - Intel - G9 manufactured by HPE.
What parts can replace 797259-091?
There are 2 known substitutes for 797259-091: 805671-B21, 819801-001. Substitute compatibility should be verified for your specific system.
Is 797259-091 still available?
797259-091 is currently Unknown.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 797259-091

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026