| 11th generation | Approx. 2009–2012 | R610, R710, R810, T610 | Xeon 5500/5600 platforms, DDR3 memory, iDRAC6-era management | CPU count, RAM, drive caddies, rails, and working condition determine whether an older system has resale or parts value. |
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| 12th generation | Approx. 2012–2014 | R620, R720, R720xd, T620 | Xeon E5-2600 v1/v2, DDR3, iDRAC7, flexible SFF/LFF storage layouts | The R720xd and complete drive trays are especially important to identify because storage density changes the buyer pool. |
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| 13th generation | Approx. 2014–2017 | R630, R730, R730xd, T630 | Xeon E5-2600 v3/v4, DDR4, iDRAC8, broader NVMe and expansion options | List CPU model, DDR4 capacity, RAID card, backplane, and NVMe capability instead of describing the server only as an R730. |
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| 14th generation | Approx. 2017–2021 | R640, R740, R740xd, T440, T640 | 1st/2nd Gen Xeon Scalable and related platforms, DDR4, iDRAC9, NVMe and GPU-capable configurations | Drive-bay layout, CPU tier, RAM population, rails, and GPU or accelerator support can create substantial differences between otherwise similar systems. |
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| 15th generation | Approx. 2021–2023 | R650, R750, R750xa, R7525 | 3rd Gen Xeon Scalable or AMD EPYC 7003, DDR4, PCIe Gen4, expanded NVMe and accelerator support | Include whether the system is Intel or AMD, the PCIe riser set, GPU power cables, and the complete storage configuration. |
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| 16th generation | Approx. 2023–present | R660, R760, R760xa, R7625 | 4th/5th Gen Xeon Scalable or AMD EPYC 9004, DDR5, PCIe Gen5, newer iDRAC features | Newer systems are highly configuration-sensitive; processor SKU, DDR5 capacity, NVMe backplane, accelerator support, and warranty status matter. |
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| 17th generation | Approx. 2025–present | R770 and model-specific current platforms | Current Xeon 6 and AMD platform options, DDR5, PCIe Gen5, and updated platform security features | Treat current-generation inventory as model-specific and provide the service tag, purchase context, configuration, and remaining support details. |
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