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46W0794 ✓ Verified by PartsTable
IBM · 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
IBM 8GB (1x8GB) 2RX8 PC4-17000P-R DDR4-2133MHZ RDIMM

IBM 8GB (1x8GB) 2RX8 PC4-17000P-R DDR4-2133MHZ 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→ RDIMM→ 46W0794
SPECIFICATIONS
Part Number46W0794
ManufacturerIBM
InterfaceDDR4
Capacity8GB
Speed2133MHz
COMPONENT DIAGRAM
ECC 8GB 2Rx4 PC4 2133MHz RDIMM IBM NOTCH ~133.35 mm DDR4 RDIMM | 8GB | 2133MHz | PC4 Notch position = DDR4 generation | DDR3/DDR4/DDR5 physically incompatible RDIMM = Registered (servers) | LRDIMM = Load-Reduced | UDIMM = Unbuffered TITLE DDR4 RDIMM PN 46W0794 MFR IBM 8GB 2133MHz
KEY FEATURES
•
DDR4 Interface
•
8GB Capacity
•
2133MHz Speed
•
DDR4 RDIMM
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 5
46W0792Compatible
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 (1x8Gb) Memory Kit for M5 - Option
compatible
01DE965Compatible
IBM 8GB PC4-2133P-R ECC Reg Dr X8 Cas-15 Dimm - Fru
compatible
01DE983Compatible
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 (1x8Gb) Samsung Memory Kit - SBB
compatible
46W0791Compatible
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 (1x8Gb) Memory Kit for M5 - SBB
compatible
47J0252Compatible
IBM 8GB PC4-2133P-R ECC Reg Dr X8 Cas-15 Dimm - P/n
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 5
01DE965SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 DIMM - FRU
IBM
01DE983SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 DIMM - FRU
IBM
46W0791SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 DIMM - FRU
IBM
46W0792SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 DIMM - FRU
IBM
47J0252SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG DR x8 CAS-15 DIMM - FRU
IBM
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FREQUENTLY ASKED QUESTIONS
What is 46W0794?
46W0794 is a IBM 8GB (1x8gb) 2Rx8 Pc4-17000p-R DDR4-2133MHZ RDIMM manufactured by IBM. It is classified as a MEMORY (RDIMM).
What parts can replace 46W0794?
There are 5 known substitutes for 46W0794: 46W0792, 01DE965, 01DE983 and 2 more. Substitute compatibility should be verified for your specific system.
Is 46W0794 still available?
46W0794 is currently Unknown.
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Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
Last verified: July 2026