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862398-850 ✓ Verified by PartsTable
HP · MEMORY · SO-DIMM
WHAT YOU NEED TO KNOW
SO-DIMM is 260-pin (DDR4) vs 288-pin full DIMM — physically incompatible Common in blade servers, compact 1U, and workstation laptops
NEVER substitute full DIMM for SO-DIMM — different form factor
PRODUCT OVERVIEW
HP 8GB, 2400MHz, PC4-17000, 1.2v DDR4 SODIMM

HP 8GB, 2400MHz, PC4-17000, 1.2v DDR4 SODIMM. Key specifications include Speed: DDR4-2666, Voltage: 1.2V, Capacity: 16GB, Form Factor: RDIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ SO-DIMM→ 862398-850
SPECIFICATIONS
SpeedDDR4-2666
Voltage1.2V
Capacity16GB
Form FactorRDIMM
COMPONENT DIAGRAM
KEY 260-PIN DDR4 LATCH LATCH LABEL — P/N S/N SPEED 67.6 mm 30.0 mm DDR4 SO-DIMM | 260-pin | 1.2V Laptop / blade server / compact form factor SPEED — DDR4-2133 to DDR4-3200 8GB | 2400MHz | ECC or non-ECC TITLE SO-DIMM PN 862398-850 MFR HP HP 8GB, 2400MHZ, Pc4-17000, 1.2V DDR4 So
KEY FEATURES
•
DDR4 Interface
•
8GB Capacity
•
2400MHz Speed
•
DDR4 SO-DIMM
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
854916-001Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
855843-371Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
855843-372Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
855843-671Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
855843-971Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
855843-972Compatible
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 20
Z4Y85AASUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
Z4Y85ETSUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
Z4Y85UTSUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
854916-001SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-371SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-372SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-671SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-971SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-972SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-973SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-B71SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-B73SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-H71SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-R71SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
855843-R72SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
862398-850BSUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
862398-852SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
862398-852BUSUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
862398-855SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
862398-856SUBSTITUTE
HP 8Gb PC4-2400T-S Non-ECC UB CAS-17 SODIMM for Laptops
HP
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FREQUENTLY ASKED QUESTIONS
What is 862398-850?
862398-850 is a HP 8GB, 2400MHZ, Pc4-17000, 1.2V DDR4 Sodimm manufactured by HP. It is classified as a MEMORY (SO-DIMM).
What parts can replace 862398-850?
There are 12 known substitutes for 862398-850: 854916-001, 855843-371, 855843-372 and 9 more. Substitute compatibility should be verified for your specific system.
Is 862398-850 still available?
862398-850 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026