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PartsTable / MEMORY / 635803-001
635803-001 ✓ Verified by PartsTable
Micron · 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 635803-001 is a Micron 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→ 635803-001
SPECIFICATIONS
Part Number635803-001
ManufacturerMicron
COMPONENT DIAGRAM
ECC — 2Rx4 PC4 — RDIMM Micro 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 635803-001 MFR Micron — —
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
AT024AACompatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
629026-001Compatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
497157-B88Compatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
497157-C01Compatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
497157-C28Compatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
497157-D01Compatible
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 13
AT024AASUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
AT024ATSUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-B88SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-C01SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-C28SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-D01SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-D28SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-D88SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-D91SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
497157-D92SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
576110-001SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
626898-001SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
629026-001SUBSTITUTE
HP 2Gb PC3-10600U 1333Mhz Non-ECC UB x8 CAS-9 DIMM for Desktops
HP
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FREQUENTLY ASKED QUESTIONS
What is 635803-001?
635803-001 is a 635803-001 manufactured by Micron. It is classified as a MEMORY (RDIMM).
What parts can replace 635803-001?
There are 12 known substitutes for 635803-001: AT024AA, 629026-001, 497157-B88 and 9 more. Substitute compatibility should be verified for your specific system.
Is 635803-001 still available?
635803-001 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026