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4X70F28591 ✓ Verified by PartsTable
Samsung · 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

ThinkServer always meets the demand on performance enhancement and feature enablement by continuous improvement on products and options. Upgrading your systems with the new options will bring you great values with flexibility, scalability, field-proven reliability.DDR4, 2133MHz, 1.2V Higher bandwidth than DDR3, and more power saving 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 4X70F28591
SPECIFICATIONS
Part Number4X70F28591
ManufacturerSamsung
COMPONENT DIAGRAM
ECC 2Rx4 PC4 RDIMM Samsu 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 4X70F28591 MFR Samsung — —
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
03T7863Compatible
IBM 32Gb PC4-2133P-L Load Reduced QR x4 CAS-15 DIMM for ThinkServer - FRU
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
03T7863SUBSTITUTE
IBM 32Gb PC4-2133P-L Load Reduced QR x4 CAS-15 (1x32Gb) Memory Kit for ThinkServer - Option
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 4X70F28591?
4X70F28591 is a 4X70F28591 manufactured by Samsung. It is classified as a MEMORY (RDIMM).
What parts can replace 4X70F28591?
There is 1 known substitute for 4X70F28591: 03T7863. Substitute compatibility should be verified for your specific system.
Is 4X70F28591 still available?
4X70F28591 is currently Unknown.
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