PartsTable
Technical Data Sheet
PartsTable / MEMORY / 700763-B21
700763-B21 ✓ Verified by PartsTable
HP · 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

HP FlexFabric 20Gb 2-port 650FLB Adapter. 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→ 700763-B21
SPECIFICATIONS
Part Number700763-B21
ManufacturerHP
Capacity20GB
COMPONENT DIAGRAM
ECC 20GB 2Rx4 PC4 — RDIMM HP NOTCH ~133.35 mm DDR4 RDIMM | 20GB | — | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 700763-B21 MFR HP 20GB —
KEY FEATURES
•
20GB Capacity
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
701536-001Compatible
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
compatible
700761-001Compatible
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
compatible
700762-B21Compatible
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
compatible
700764-B21Compatible
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104) FIO
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 4
700761-001SUBSTITUTE
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
HPE
700762-B21SUBSTITUTE
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
HPE
700764-B21SUBSTITUTE
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
HPE
701536-001SUBSTITUTE
HP NIC 650FLB 20GbE 2-Port PCI-E-3.0x8 FlexFabric FlexibleLOM (Emulex XE 104)
HPE
Ready to buy 700763-B21?
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 700763-B21?
700763-B21 is a HP FlexFabric 20Gb 2-port 650FLB Adapter manufactured by HP. It is classified as a MEMORY (RDIMM).
What parts can replace 700763-B21?
There are 4 known substitutes for 700763-B21: 701536-001, 700761-001, 700762-B21 and 1 more. Substitute compatibility should be verified for your specific system.
Is 700763-B21 still available?
700763-B21 is currently Unknown.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 700763-B21

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