Tech specs, explained from the datasheet.
Every number on PlainSpecs comes from the manufacturer’s datasheet or manual, with the version and the date we checked it. How we verify
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WD Purple vs Red Plus: the 8TB numbers that differ (WD85PURZ vs WD80EFPX)
WD Purple vs Red Plus at 8TB, from WD’s own datasheets: bays, head-parking cycles, idle power and camera load compared, WD85PURZ vs WD80EFPX.
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PoE switch for Reolink camera systems: what Reolink requires and when you need one
PoE switch for Reolink camera systems: the PoE standard Reolink asks for, why the Home Hub Pro needs a switch, and what the RLN8-410 powers itself.
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Reolink Home Hub Pro vs NVR (RLN8-410): the numbers that differ
Reolink Home Hub Pro vs NVR, from Reolink’s spec sheets: camera limits by hardware version, PoE, drive size and storage next to the RLN8-410.
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Reolink NVR hard drive compatibility: max drive size by model and hardware version
Reolink NVR hard drive compatibility: max drive size for each RLN8-410 hardware version and the Home Hub Pro, matched to Reolink’s HDD list.
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Synology DS225+ RAM upgrade: the module that fits, the empty slot and the real maximum
DS225+ RAM upgrade from Synology’s own spec, manual and RAM list: the one module that fits the empty slot, the real maximum, and what it unlocks.
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WD80EFPX vs WD80EFZZ: the seven numbers that differ on WD’s 8TB Red Plus
WD80EFPX vs WD80EFZZ from WD’s own spec sheets: two 8TB CMR Red Plus drives with different cache, speed, power, noise and weight, and what each gap means.
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UGREEN DXP2800 RAM upgrade: which modules on UGREEN’s list actually add memory
DXP2800 RAM upgrade from UGREEN’s own memory lists: the single slot, the official maximum, and which listed DDR5 modules actually add memory.
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Synology DS925+ RAM upgrade: modules that fit, slot rules and the real maximum
DS925+ RAM upgrade from Synology’s own list and manual: the ECC modules that fit, which pairs are allowed, and what the maximum unlocks.
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UGREEN DXP4800 Plus RAM upgrade: listed modules by region and the path to 64 GB
DXP4800 Plus RAM upgrade from UGREEN’s US, UK and EU memory lists: every listed DDR5 SODIMM, two slots, and the pairs that reach 16, 32 or 64 GB.
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Synology DS225+ compatible drives, by DSM version, with the DS925+ list
DS225+ compatible drives on Synology’s list, the DSM version each one needs, the DSM 7.3 rules for unlisted drives, and the DS925+ list.