PartsTable
Intelligence Platform
Buy on eBay
PartsTable / MEMORY / 731656-381
731656-381 ✓ Verified by PartsTable
Kingston Technology · MEMORY · RDIMM
WHAT YOU NEED TO KNOW
Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.
HOT market — DDR5/DDR4 extremely volatile
PRODUCT OVERVIEW

The 731656-381 is a Kingston Technology industrial component. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MEMORY→ RDIMM→ 731656-381
SPECIFICATIONS
Part Number731656-381
ManufacturerKingston Technology
COMPONENT DIAGRAM
ECC — 2Rx4 PC4 — RDIMM Kings NOTCH ~133.35 mm DDR4 RDIMM | — | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 731656-381 MFR Kingston Technology — —
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
879283-001Compatible
HP 8Gb PC3L-12800R 1600Mhz ECC REG SR x4 CAS-11 LV DIMM for BL8x0c/rx2800 i4/i6
compatible
AT109BCompatible
HP 16Gb PC3L-12800R 1600Mhz ECC REG SR x4 CAS-11 LV (2x8Gb) Memory Kit for rx2800 i4/i6
compatible
AM387BCompatible
HP 16Gb PC3L-12800R 1600Mhz ECC REG SR x4 CAS-11 LV (2x8Gb) Memory Kit for BL8x0c i4/i6
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
879283-001SUBSTITUTE
HP 8Gb PC3L-12800R 1600Mhz ECC REG SR x4 CAS-11 LV DIMM for BL8x0c/rx2800 i4/i6
HPE
Ready to buy 731656-381?
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 731656-381?
731656-381 is a 731656-381 manufactured by Kingston Technology. It is classified as a MEMORY (RDIMM).
What parts can replace 731656-381?
There are 3 known substitutes for 731656-381: 879283-001, AT109B, AM387B. Substitute compatibility should be verified for your specific system.
Is 731656-381 still available?
731656-381 is currently Unknown.
Community Feedback
Comments (0)
Loading comments...
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Need a quote for 731656-381?

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026