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The T4 fits almost any server at 70 W; the V100 brings HBM2 bandwidth for training. How to pick between the two used datacenter GPUs for the workload and the chassis you have.
12/03/2022
Makers hold under 10 days of stock and quotes last 48 to 72 hours. How the refurbished channel fills the gap and what to check before you buy a module.
The memory generation is fixed by the platform. Here is what the 2026 shortage did to DDR4 and DDR5 prices, and when keeping a DDR4 fleet beats a DDR5 refresh.
Contract $1,500, spot $3,100 for a 64GB DDR5 module in mid-September 2026. Here is what DDR5 and DDR4 RDIMMs cost in our own catalogue today, by capacity, with sources.
What to include in a volume optics quote so a supplier can confirm stock and coding in one pass.
Which server parts are safe to buy refurbished for a refresh, and which ones need more scrutiny first.
How to request volume pricing on server parts and what ships deep at quantity today.
Explains how to match a replacement RAID drive on interface, capacity, sector format, class and firmware, and how the hot-swap and rebuild work.
Explains channel and slot mapping, balanced population, rank limits, speed step-down and mixing rules for DDR4 and DDR5 server memory.
Explains EOL, EOSL and last date of support, what actually stops when OEM support ends, and how to keep EOL servers and switches running.
Explains MSA compliance, vendor coding, how switches treat third-party optics, and how to match an optic to a switch and fiber.
Explains when a server needs a hardware RAID controller and when it needs an HBA, and what to send in a quote.
Explains which Dell and HPE hot-swap drive tray fits each server generation and what to send when you request a quote.
Decode PC3-10600R, DDR4 speed bins, 2Rx4, RDIMM vs LRDIMM vs UDIMM, 12Gb/s SAS vs SATA vs NVMe, U.2 vs M.2, DWPD vs TBW, and 512e vs 4Kn in any listing.
Where to find OEM part numbers in iDRAC, iLO, and show inventory, how Dell DP/N and HPE option, spare, and assembly numbers work, and what to send for a quote.
New, Factory Sealed, Refurbished, Mfr Refurbished, Used, and EOL defined for server parts, with the testing each implies and when each is the right buy.
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