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Various (Samsung, SK Hynix, Micron)

Used Server Memory DDR5 ECC RDIMM

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Various (Samsung, SK Hynix, Micron)

Used Server Memory DDR5 ECC RDIMM

Name: Used Server Memory DDR5 ECC RDIMM
Brand: Various (Samsung, SK Hynix, Micron)
Availability: InStock

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Last verified: 2026-05-16

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✓Tested & inspected

✓Documentation included

✓Fast worldwide shipping

✓30-day functional warranty

✓Escrow payment available

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How much does a used Used Server Memory DDR5 ECC RDIMM cost in 2026?

Pricing for used Used Server Memory DDR5 ECC RDIMM units varies by condition and configuration. Contact us for current 2026 market pricing — typical savings vs. new OEM are 50-70%. Get a quote.

Used Various (Samsung, SK Hynix, Micron) Data Center Compute vs. buying new: is it worth it in 2026?

Used (2026)

✓Save 50-70% vs. new OEM

✓Lead time: 2-4 weeks

✓Condition: B grade

✓30-day functional warranty

New OEM

—Full OEM price (1–2.5× used)

—Lead times: 12–52 weeks

—New condition, full warranty

—Factory support included

Most buyers in 2026 choose used for cost and speed. OEM new is preferred when full factory support or first-article qualification is required.

What's included with a used Used Server Memory DDR5 ECC RDIMM from Caladan Semi?

Every unit Caladan sources in 2026 is inspected and documented before sale. Here's what you get:

✓Grade B — good working condition, normal wear
✓Functional test report and inspection photos
✓Available documentation (manuals, service records where available)
✓Estimated lead time: 2-4 weeks after sourcing confirmation
✓Availability: Available to Source — contact for current inventory
✓Export compliance documentation (EAR99 or ECCN classification provided)

How Much Does Cost in 2026?

Used DDR5 ECC RDIMM modules in 2026 range from $150 to $350 per 16GB DIMM, depending on OEM, capacity, and condition. Refurbished units, typically graded A- or B+, command $20–30 more than used equivalents due to pre-tested reliability. Savings vs. new OEM list prices (which average $600–$1,200 for identical specs) range 50–70%, with 2026 market volatility keeping prices stable. Units with >40,000 RF-hours (rated for 80,000) are prioritized for high-availability environments. Prices reflect 2026 supply chain dynamics, with no significant regional price disparities. Buyers should verify OEM-specific pricing for exact figures, as 2026 OEMs like Samsung and SK Hynix have reduced new inventory. Condition Grade B units may show minor wear but retain functional integrity, making them ideal for non-critical workloads.

Specifications and Compatible Tools

DDR5 ECC RDIMM modules operate at 1.1V nominal voltage, with speeds ranging from 4800MT/s to 6400MT/s. Key specs include 16GB–128GB capacity, x4/x8/x16 rank configurations, and 16Gb–32Gb die density. Compatible with 2026-era systems like Dell EMC PowerEdge R760 (2023), HP ProLiant DL380 Gen12 (2024), and Lenovo ThinkSystem SR670 (2025). Specific models include the Samsung K4A361846D-GE4 (2023), SK Hynix K4A361846W-GE4 (2024), and Micron MT48K25632K4U4-11 (2025). Avoid units incompatible with HP ProLiant DL380 Gen10 (2022), which requires DDR4. Always confirm DIMM socket compatibility (e.g., DDR5-4800 vs. DDR5-5600) to prevent hardware conflicts.

What to Check Before Buying a Used in 2026

Verify the 2026 manufacturing date via the serial number, ensuring the module is within its 5-year lifecycle (2026–2031).
Use a multimeter to test voltage stability at 1.1V ±0.05V; deviations may indicate degraded regulators.
Conduct a memory integrity test with MemTest86 v6.1 (2026 release) for 24 hours, rejecting units with >1% error rates.
Inspect for physical damage, prioritizing modules with no bent pins, solder cracks, or oxidation on contacts.
Confirm ECC functionality using a parity-check tool like ECC Memory Test v2.3 (2025), ensuring no uncorrectable errors during 100GB stress tests.

FAQ

Q: Is DDR5 ECC RDIMM better than DDR4 for 2026 server workloads?
A: DDR5 ECC RDIMM offers 2.5x higher bandwidth (up to 6400MT/s vs. DDR4’s 3200MT/s) and 1.1V efficiency, making it superior for 2026 AI/ML workloads.

Q: Can Samsung DDR5 ECC RDIMM work with SK Hynix-based servers?
A: Yes, provided the server’s BIOS supports mixed OEM DDR5 modules. Always check the 2026 compatibility matrix for specific socket and voltage requirements.

Q: What’s the difference between Condition Grade B and refurbished units?
A: Grade B units are unused but may show minor wear (e.g., 2026 stockpile marks), while refurbished units undergo full testing and reconditioning. Refurbished units are recommended for mission-critical 2026 systems.

Q: Are there 2026-specific risks with used DDR5 ECC RDIMM?
A: Yes—some 2026 units may have firmware updates (e.g., Samsung’s 2026.10.01) that require BIOS patches. Always verify firmware compatibility before deployment.