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Technical Data Sheet
03T7861 ✓ 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

Memory offerings let you upgrade your system's standard memory capacity to improve overall PC system performance. Adding additional memory is a cost-effective way to help boost your system's performance and enhance its ability to run more programs simultaneously. 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 03T7861
SPECIFICATIONS
Part Number03T7861
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 03T7861 MFR Samsung — —
VERIFIED SUBSTITUTES & CROSS-REFERENCES 1
4X70F28589Compatible
IBM 8Gb PC4-2133P-R ECC REG SR x4 CAS-15 DIMM for ThinkServer - Option
compatible
LIFECYCLE
StatusUNKNOWN
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 1
4X70F28589SUBSTITUTE
IBM 8Gb PC4-2133P-R ECC REG SR x4 CAS-15 DIMM for ThinkServer - FRU
LENOVO
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FREQUENTLY ASKED QUESTIONS
What is 03T7861?
03T7861 is a 03T7861 manufactured by Samsung. It is classified as a MEMORY (RDIMM).
What parts can replace 03T7861?
There is 1 known substitute for 03T7861: 4X70F28589. Substitute compatibility should be verified for your specific system.
Is 03T7861 still available?
03T7861 is currently Unknown.
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